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tinygrad/test/test_ops.py

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import torch
import time
import math
import numpy as np
import unittest
from tinygrad.tensor import Tensor
from tinygrad.helpers import getenv, IMAGE, DEBUG, CI
from tinygrad.lazy import Device
if CI:
import warnings
warnings.filterwarnings("ignore", message="Non-empty compiler output encountered")
FORWARD_ONLY = getenv("FORWARD_ONLY", 0)
PRINT_TENSORS = getenv("PRINT_TENSORS", 0)
def helper_test_op(shps, torch_fxn, tinygrad_fxn=None, atol=1e-6, rtol=1e-3, grad_atol=1e-4, grad_rtol=1e-3, forward_only=False, vals=None, a=-0.5, b=3):
if tinygrad_fxn is None: tinygrad_fxn = torch_fxn
ts, tst = prepare_test_op(a, b, shps, vals)
st = time.monotonic()
out = torch_fxn(*ts)
torch_fp = time.monotonic() - st
st = time.monotonic()
ret = tinygrad_fxn(*tst).realize()
tinygrad_fp = time.monotonic() - st
def compare(s, x,y,atol,rtol):
if PRINT_TENSORS: print(s, x, y)
assert x.shape == y.shape, f"shape mismatch: tinygrad={x.shape} | torch={y.shape}"
try:
np.testing.assert_allclose(x,y, atol=atol, rtol=rtol)
except Exception:
raise Exception(f"{s} failed shape {x.shape}")
if DEBUG >= 6:
np.set_printoptions(linewidth=200, suppress=True)
print(ret.numpy())
print(out.detach().numpy())
compare("forward pass", ret.numpy(), out.detach().numpy(), atol=atol, rtol=rtol)
torch_fbp, tinygrad_fbp = np.nan, np.nan
if not forward_only and not FORWARD_ONLY:
st = time.monotonic()
(out+1).square().mean().backward()
torch_fbp = time.monotonic() - st
st = time.monotonic()
(ret+1).square().mean().backward()
for tt in tst: tt.grad.realize()
tinygrad_fbp = time.monotonic() - st
for i, (t, tt) in enumerate(zip(ts, tst)):
compare(f"backward pass tensor {i}", tt.grad.numpy(), t.grad.detach().numpy(), atol=grad_atol, rtol=grad_rtol)
if not CI: print("\ntesting %40r torch/tinygrad fp: %.2f / %.2f ms bp: %.2f / %.2f ms " % (shps, torch_fp*1000, tinygrad_fp*1000, torch_fbp*1000, tinygrad_fbp*1000), end="")
def prepare_test_op(a, b, shps, vals):
torch.manual_seed(0)
np.random.seed(0)
if shps is None: ts = [torch.tensor(x, requires_grad=True) for x in vals]
else: ts = [torch.tensor((np.random.random(size=x) + a) * b, requires_grad=True, dtype=torch.float32) for x in shps]
tst = [Tensor(x.detach().numpy(), requires_grad=not FORWARD_ONLY) for x in ts]
return ts, tst
class TestOps(unittest.TestCase):
def helper_test_exception(self, shps, torch_fxn, tinygrad_fxn, expected, exact=False, vals=None, a=-0.5, b=3):
ts, tst = prepare_test_op(a, b, shps, vals)
with self.assertRaises(expected) as torch_cm:
torch_fxn(*ts)
with self.assertRaises(expected) as tinygrad_cm:
tinygrad_fxn(*tst)
if exact: self.assertEqual(str(torch_cm.exception), str(tinygrad_cm.exception))
if not CI: print("\ntesting %40r torch/tinygrad exception: %s / %s" % (shps, torch_cm.exception, tinygrad_cm.exception), end="")
def test_full_like(self):
a = Tensor([[1,2,3],[4,5,6]])
b = torch.tensor([[1,2,3],[4,5,6]])
helper_test_op([], lambda: torch.full_like(b, 4), lambda: Tensor.full_like(a, 4), forward_only=True)
def test_full(self):
helper_test_op([], lambda: torch.full((45,65), 4), lambda: Tensor.full((45,65), 4), forward_only=True)
def test_zeros(self):
helper_test_op([], lambda: torch.zeros(45,65), lambda: Tensor.zeros(45,65), forward_only=True)
helper_test_op([], lambda: torch.zeros([45,65]), lambda: Tensor.zeros([45,65]), forward_only=True)
helper_test_op([], lambda: torch.zeros([]), lambda: Tensor.zeros([]), forward_only=True)
def test_zeros_like(self):
a = Tensor([[1,2,3],[4,5,6]])
b = torch.tensor([[1,2,3],[4,5,6]])
helper_test_op([], lambda: torch.zeros_like(b), lambda: Tensor.zeros_like(a), forward_only=True)
def test_empty_0(self):
helper_test_op([], lambda: torch.empty(45,65)*0/0, lambda: Tensor.empty(45,65)*0/0, forward_only=True)
def test_ones(self):
helper_test_op([], lambda: torch.ones(45,65), lambda: Tensor.ones(45,65), forward_only=True)
helper_test_op([], lambda: torch.ones([45,65]), lambda: Tensor.ones([45,65]), forward_only=True)
helper_test_op([], lambda: torch.ones([]), lambda: Tensor.ones([]), forward_only=True)
def test_ones_like(self):
a = Tensor([[1,2,3],[4,5,6]])
b = torch.tensor([[1,2,3],[4,5,6]])
helper_test_op([], lambda: torch.ones_like(b), lambda: Tensor.ones_like(a), forward_only=True)
def test_eye(self):
helper_test_op([], lambda: torch.eye(10), lambda: Tensor.eye(10), forward_only=True)
helper_test_op([], lambda: torch.eye(1), lambda: Tensor.eye(1), forward_only=True)
def test_chunk(self):
tor = torch.arange(13).repeat(8, 1).chunk(6, 1)
ten = Tensor.arange(13).repeat((8, 1)).chunk(6, 1)
assert len(tor) == len(ten)
for i in range(len(tor)):
helper_test_op([], lambda: tor[i], lambda: ten[i], forward_only=True)
tor = torch.arange(13).repeat(8, 1).chunk(6, 0)
ten = Tensor.arange(13).repeat((8, 1)).chunk(6, 0)
assert len(tor) == len(ten)
for i in range(len(tor)):
helper_test_op([], lambda: tor[i], lambda: ten[i], forward_only=True)
tor = torch.arange(13).repeat(8, 1).chunk(3, -1)
ten = Tensor.arange(13).repeat((8, 1)).chunk(3, -1)
assert len(tor) == len(ten)
for i in range(len(tor)):
helper_test_op([], lambda: tor[i], lambda: ten[i], forward_only=True)
tor = torch.arange(13).repeat(8, 3, 3).chunk(3, -2)
ten = Tensor.arange(13).repeat((8, 3, 3)).chunk(3, -2)
assert len(tor) == len(ten)
for i in range(len(tor)):
helper_test_op([], lambda: tor[i], lambda: ten[i], forward_only=True)
def test_arange(self):
helper_test_op([], lambda: torch.arange(10), lambda: Tensor.arange(10), forward_only=True)
helper_test_op([], lambda: torch.arange(5, 10, 3), lambda: Tensor.arange(5, 10, 3), forward_only=True)
helper_test_op([], lambda: torch.arange(10, 5, -3), lambda: Tensor.arange(10, 5, -3), forward_only=True)
helper_test_op([], lambda: torch.arange(11, 5, -3), lambda: Tensor.arange(11, 5, -3), forward_only=True)
def test_where(self):
helper_test_op(
[(100,)],
lambda x: torch.where(x > 0.5, 4, 2),
lambda x: (x > 0.5).where(4, 2), forward_only=True)
for shps in [[(8,),(1,),(1,)], [(10,10),(10,),(10,)], [(100,)]*3, [(10,10)]*3]:
helper_test_op(
shps,
lambda x, a, b: torch.where(x > 0.5, a, b),
lambda x, a, b: (x > 0.5).where(a, b), forward_only=True)
def test_where_permute(self):
helper_test_op(
[(5, 5)],
lambda x: torch.where(x > 0.5, 4, 2).permute((1, 0)),
lambda x: (x > 0.5).where(4, 2).permute((1, 0)), forward_only=True)
def _test_cmp(self, fxn, reverse=True):
for shps in [[(3, 4, 5), (3, 4, 5)], [(3, 4, 5), (5,)], [(5,), (3, 4, 5)]]:
helper_test_op(shps, fxn, fxn, forward_only=True)
helper_test_op(None, fxn, fxn, forward_only=True, vals=[[0.,1,2], [2.,1,0]])
helper_test_op(None, lambda x,y: fxn(x,2), lambda x,y: fxn(x,2), forward_only=True, vals=[[0.,1,2], [2.,1,0]])
if reverse: helper_test_op(None, lambda x,y: fxn(2,y), lambda x,y: fxn(2,y), forward_only=True, vals=[[0.,1,2], [2.,1,0]])
def test_cmp_eq(self): self._test_cmp(lambda x,y: x==y, reverse=False)
def test_cmp_gt(self): self._test_cmp(lambda x,y: x>y)
def test_cmp_ge(self): self._test_cmp(lambda x,y: x>=y)
def test_cmp_lt(self): self._test_cmp(lambda x,y: x<y)
def test_cmp_le(self): self._test_cmp(lambda x,y: x<=y)
def test_cmp_eq_backwards(self):
t1 = torch.ones(4, requires_grad=True)
t2 = torch.ones(4, requires_grad=True)
self.assertRaises(RuntimeError, (t1 == t2).sum().backward)
tt1 = Tensor.ones(4, requires_grad=True)
tt2 = Tensor.ones(4, requires_grad=True)
self.assertRaises(RuntimeError, (tt1.eq(tt2)).sum().backward)
def test_cmp_lt_backwards(self):
t1 = torch.ones(4, requires_grad=True)
t2 = torch.ones(4, requires_grad=True)
self.assertRaises(RuntimeError, (t1 < t2).sum().backward)
tt1 = Tensor.ones(4, requires_grad=True)
tt2 = Tensor.ones(4, requires_grad=True)
self.assertRaises(RuntimeError, (tt1 < tt2).sum().backward)
def test_trunc(self):
helper_test_op([(45,65)], lambda x: torch.trunc(x), lambda x: x.trunc(), forward_only=True)
a, b = Tensor([1.0, 2.1, 0.0, -5.0, -2.5]), torch.tensor([1.0, 2.1, 0.0, -5.0, -2.5])
helper_test_op([], lambda: torch.trunc(b), lambda: Tensor.trunc(a), forward_only=True)
def test_floor(self):
helper_test_op([(45,65)], lambda x: torch.floor(x), lambda x: x.floor(), forward_only=True)
a, b = Tensor([1.0, 2.1, 0.0, -5.0, -2.5]), torch.tensor([1.0, 2.1, 0.0, -5.0, -2.5])
helper_test_op([], lambda: torch.floor(b), lambda: Tensor.floor(a), forward_only=True)
def test_ceil(self):
helper_test_op([(45,65)], lambda x: torch.ceil(x), lambda x: x.ceil(), forward_only=True)
a, b = Tensor([1.0, 2.1, 0.0, -5.0, -2.5]), torch.tensor([1.0, 2.1, 0.0, -5.0, -2.5])
helper_test_op([], lambda: torch.ceil(b), lambda: Tensor.ceil(a), forward_only=True)
def test_tril(self):
helper_test_op([(3,3)], lambda x: x.tril(), lambda x: x.tril())
helper_test_op([(3,3)], lambda x: x.tril(1), lambda x: x.tril(1))
helper_test_op([(3,3)], lambda x: x.tril(-1), lambda x: x.tril(-1))
helper_test_op([(5,3,3)], lambda x: x.tril(), lambda x: x.tril())
helper_test_op([(5,3,3)], lambda x: x.tril(1), lambda x: x.tril(1))
def test_triu(self):
helper_test_op([(3,3)], lambda x: x.triu(), lambda x: x.triu())
helper_test_op([(3,3)], lambda x: x.triu(1), lambda x: x.triu(1))
helper_test_op([(3,3)], lambda x: x.triu(-1), lambda x: x.triu(-1))
helper_test_op([(5,3,3)], lambda x: x.triu(), lambda x: x.triu())
helper_test_op([(5,3,3)], lambda x: x.triu(1), lambda x: x.triu(1))
def test_maximum(self):
helper_test_op([(45,65), (45,65)], torch.maximum, Tensor.maximum)
helper_test_op([(), ()], torch.maximum, Tensor.maximum)
helper_test_op(None, torch.maximum, Tensor.maximum, vals=[[1., 0., 3., 4.], [1., 2., 3., 0.]])
def test_minimum(self):
helper_test_op([(45,65), (45,65)], torch.minimum, Tensor.minimum)
helper_test_op([(), ()], torch.minimum, Tensor.minimum)
def test_add(self):
helper_test_op([(45,68), (45,68)], lambda x,y: x+y, Tensor.add)
def test_add_number(self):
helper_test_op([(), ()], lambda x,y: x+y, Tensor.add)
def test_add3(self):
helper_test_op([(45,65), (45,65), (45,65)], lambda x,y,z: x+y+z)
def test_add_simple(self):
helper_test_op([(256), (256)], lambda x,y: x+y, Tensor.add, forward_only=True)
def test_broadcasted_add(self):
helper_test_op([(45,65), (45,1)], lambda x,y: x+y, lambda x,y: x+y)
helper_test_op([(45,65), ()], lambda x,y: x+y, lambda x,y: x+y)
def test_broadcasted_add_2(self):
helper_test_op([(45,65), (65,)], lambda x,y: x+y, lambda x,y: x+y)
def test_sub(self):
helper_test_op([(45,65), (45,65)], lambda x,y: x-y, Tensor.sub)
helper_test_op([(), ()], lambda x,y: x-y, Tensor.sub)
def test_neg(self):
helper_test_op([(45,65)], lambda x: -x)
helper_test_op([()], lambda x: -x)
def test_mul(self):
helper_test_op([(64,64), (64,64)], lambda x,y: x*y, Tensor.mul)
def test_mul_number(self):
helper_test_op([(), ()], lambda x,y: x*y, Tensor.mul)
def test_mul_const(self):
helper_test_op([(45,65)], lambda x: x*2, lambda x: x*2)
helper_test_op([(45,65)], lambda x: x*-1, lambda x: x*-1)
helper_test_op([(45,65)], lambda x: 255*x, lambda x: 255*x)
def test_div(self):
helper_test_op([(45,65), (45,65)], lambda x,y: x/y, Tensor.div)
helper_test_op([(), ()], lambda x,y: x/y, Tensor.div)
def test_div_const(self):
helper_test_op([(45,65)], lambda x: x/255, lambda x: x/255)
helper_test_op([(45,65)], lambda x: x/1, lambda x: x/1)
helper_test_op([(45,65)], lambda x: 1/x, lambda x: 1/x)
helper_test_op([(45,65)], lambda x: x/2, lambda x: x/2)
helper_test_op([(45,65)], lambda x: 2/x, lambda x: 2/x)
helper_test_op([()], lambda x: x/2, lambda x: x/2)
helper_test_op([()], lambda x: 2/x, lambda x: 2/x)
@unittest.skipIf(Device.DEFAULT in ["METAL", "WEBGPU"], "WEBGPU does not have support for inf/nan, METAL has issues with -inf")
def test_mul_const_naninf(self):
helper_test_op([(45,65)], lambda x: x*float("inf"), lambda x: x*float("inf"))
helper_test_op([(45,65)], lambda x: x*-float("inf"), lambda x: x*-float("inf"))
helper_test_op([(45,65)], lambda x: x*float("nan"), lambda x: x*float("nan"))
@unittest.skipIf(Device.DEFAULT in ["METAL", "WEBGPU"], "WEBGPU does not have support for inf/nan, METAL has issues with -inf")
def test_div_const_naninf(self):
helper_test_op([(45,65)], lambda x: x/float("inf"), lambda x: x/float("inf"))
helper_test_op([(45,65)], lambda x: x/-float("inf"), lambda x: x/-float("inf"))
helper_test_op([(45,65)], lambda x: x/float("nan"), lambda x: x/float("nan"))
helper_test_op([(45,65)], lambda x: float("inf")/x, lambda x: float("inf")/x)
helper_test_op([(45,65)], lambda x: (-float("inf"))/x, lambda x: (-float("inf"))/x)
helper_test_op([(45,65)], lambda x: float("nan")/x, lambda x: float("nan")/x)
def test_pow(self):
# TODO: why is a=0 for these tests?
helper_test_op([(45,65)], lambda x: x**2, lambda x: Tensor.pow(x,2), a=0)
helper_test_op([(45,65)], lambda x: x**3, lambda x: Tensor.pow(x,3), a=0)
helper_test_op([(45,65)], lambda x: x**-2, lambda x: Tensor.pow(x,-2), a=0)
helper_test_op([(45,65), (45,65)], lambda x,y: x**y, Tensor.pow, a=0)
helper_test_op([()], lambda x: x**2, lambda x: Tensor.pow(x,2), a=0)
helper_test_op([()], lambda x: x**-2, lambda x: Tensor.pow(x,-2), a=0)
# Regression tests for https://github.com/tinygrad/tinygrad/issues/1151
helper_test_op([(45,65)], lambda x: x**3, lambda x: Tensor.pow(x,3), a=-10)
helper_test_op([()], lambda x: x**3, lambda x: Tensor.pow(x,3), a=-10)
# Regression tests for https://github.com/tinygrad/tinygrad/issues/1251
helper_test_op([(45,65)], lambda x: x**0.2, lambda x: Tensor.pow(x,0.2), a=-10)
helper_test_op([(45,65)], lambda x: x**1.2, lambda x: Tensor.pow(x,1.2), a=-10)
helper_test_op([()], lambda x: x**0.2, lambda x: Tensor.pow(x,0.2), a=-10)
helper_test_op([()], lambda x: x**1.2, lambda x: Tensor.pow(x,1.2), a=-10)
a, b = Tensor([0.0], requires_grad=True), torch.tensor([0.0], requires_grad=True)
helper_test_op([], lambda: b**1.1, lambda: a**1.1, )
def test_pow_const(self):
helper_test_op([(45,65)], lambda x: x**1.0, lambda x: x**1.0)
helper_test_op([(45,65)], lambda x: x**-1.0, lambda x: x**-1.0)
helper_test_op([(45,65)], lambda x: 1.0**x, lambda x: 1.0**x)
helper_test_op([(45,65)], lambda x: x**2.0, lambda x: x**2.0)
helper_test_op([(45,65)], lambda x: 2.0**x, lambda x: 2.0**x)
helper_test_op([()], lambda x: x**2.0, lambda x: x**2.0)
helper_test_op([()], lambda x: 2.0**x, lambda x: 2.0**x)
def test_sqrt(self):
helper_test_op([(45,65)], lambda x: x.sqrt(), Tensor.sqrt, a=0)
helper_test_op([()], lambda x: x.sqrt(), Tensor.sqrt, a=0)
def test_rsqrt(self):
helper_test_op([(45,65)], lambda x: torch.rsqrt(x), Tensor.rsqrt, a=0)
helper_test_op([()], lambda x: torch.rsqrt(x), Tensor.rsqrt, a=0)
def test_sin(self):
helper_test_op([(45,65)], lambda x: x.sin(), Tensor.sin, a=0)
def test_cos(self):
helper_test_op([(45,65)], lambda x: x.cos(), Tensor.cos, a=0)
def test_tan(self):
helper_test_op([(45,65)], lambda x: x.tan(), Tensor.tan, a=0)
def test_relu(self):
helper_test_op([(64,64)], lambda x: x.relu(), Tensor.relu)
helper_test_op([()], lambda x: x.relu(), Tensor.relu)
def test_relu_exact(self):
helper_test_op(None, lambda x: x.relu(), Tensor.relu, vals=[[-1.,0,1]])
def test_relu_maximum_exact(self):
helper_test_op(None, lambda x: torch.maximum(x, torch.zeros_like(x, requires_grad=False)), lambda x: Tensor.maximum(x, 0), vals=[[-1.,0,1]])
def test_leakyrelu(self):
helper_test_op([(45,65)], lambda x: torch.nn.functional.leaky_relu(x,0.01), Tensor.leakyrelu)
helper_test_op([()], lambda x: torch.nn.functional.leaky_relu(x,0.01), Tensor.leakyrelu)
def test_celu(self):
for val in range(1, 5):
helper_test_op([(45,65)], lambda x: torch.nn.functional.celu(x,val), lambda x: x.celu(val))
helper_test_op([()], lambda x: torch.nn.functional.celu(x,val), lambda x: x.celu(val))
def test_abs(self):
helper_test_op([(45,65)], lambda x: torch.abs(x), Tensor.abs)
helper_test_op([()], lambda x: torch.abs(x), Tensor.abs)
def test_log(self):
helper_test_op([(45,65)], lambda x: torch.log(x), Tensor.log)
helper_test_op([()], lambda x: torch.log(x), Tensor.log)
def test_log2(self):
helper_test_op([(45,65)], lambda x: torch.log2(x), Tensor.log2)
helper_test_op([()], lambda x: torch.log2(x), Tensor.log2)
def test_exp(self):
helper_test_op([(45,65)], lambda x: torch.exp(x), Tensor.exp)
helper_test_op([()], lambda x: torch.exp(x), Tensor.exp)
def test_sign(self):
helper_test_op([(45,65)], lambda x: torch.sign(x), Tensor.sign)
helper_test_op([()], lambda x: torch.sign(x), Tensor.sign)
def test_softsign(self):
helper_test_op([(45,65)], lambda x: torch.nn.functional.softsign(x), Tensor.softsign)
helper_test_op([()], lambda x: torch.nn.functional.softsign(x), Tensor.softsign)
def test_sigmoid(self):
helper_test_op([(45,65)], lambda x: x.sigmoid(), Tensor.sigmoid)
helper_test_op([(45,65)], lambda x: x.sigmoid(), Tensor.sigmoid, a=100)
helper_test_op([(45,65)], lambda x: x.sigmoid(), Tensor.sigmoid, a=-100)
helper_test_op([()], lambda x: x.sigmoid(), Tensor.sigmoid, forward_only=True)
def test_softplus(self):
helper_test_op([(45,65)], lambda x: torch.nn.functional.softplus(x), Tensor.softplus, atol=1e-6, grad_atol=1e-6)
helper_test_op([()], lambda x: torch.nn.functional.softplus(x), Tensor.softplus, atol=1e-6, grad_atol=1e-6)
def test_gelu(self):
helper_test_op([(45,65)], lambda x: torch.nn.functional.gelu(x, approximate="tanh"), Tensor.gelu)
#helper_test_op([(45,65)], lambda x: torch.nn.functional.gelu(x, approximate="tanh"), Tensor.gelu, a=100)
helper_test_op([(45,65)], lambda x: torch.nn.functional.gelu(x, approximate="tanh"), Tensor.gelu, a=-100)
def test_quick_gelu(self):
helper_test_op([(45,65)], lambda x: x * torch.sigmoid(1.702 * x), Tensor.quick_gelu)
helper_test_op([(45,65)], lambda x: x * torch.sigmoid(1.702 * x), Tensor.quick_gelu, a=100)
helper_test_op([(45,65)], lambda x: x * torch.sigmoid(1.702 * x), Tensor.quick_gelu, a=-100)
helper_test_op([()], lambda x: x * torch.sigmoid(1.702 * x), Tensor.quick_gelu)
def test_elu(self):
helper_test_op([(45,65)], lambda x: torch.nn.functional.elu(x), Tensor.elu)
helper_test_op([(45,65)], lambda x: torch.nn.functional.elu(x, alpha=0.1), lambda x: Tensor.elu(x, alpha=0.1))
helper_test_op([()], lambda x: torch.nn.functional.elu(x), Tensor.elu)
def test_relu6(self):
helper_test_op([(45,65)], lambda x: torch.nn.functional.relu6(x), Tensor.relu6)
helper_test_op([()], lambda x: torch.nn.functional.relu6(x), Tensor.relu6)
def test_hardswish(self):
helper_test_op([(45,65)], lambda x: torch.nn.functional.hardswish(x), Tensor.hardswish, atol=1e-6, grad_atol=1e-6)
helper_test_op([()], lambda x: torch.nn.functional.hardswish(x), Tensor.hardswish, atol=1e-6, grad_atol=1e-6)
def test_mish(self):
def _mish_pytorch(x):
return x*torch.tanh(torch.nn.functional.softplus(x))
helper_test_op([(45,65)], _mish_pytorch, Tensor.mish, atol=1e-4)
helper_test_op([()], _mish_pytorch, Tensor.mish, atol=1e-4)
@unittest.skipIf(IMAGE>0, "no 1d dot for images")
def test_dot_1d(self):
helper_test_op([(65), (65)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
helper_test_op([(65), (65,45)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
helper_test_op([(45,65), (65)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
helper_test_op([(32,45,65), (65)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
helper_test_op([(65), (32,65,45)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
self.helper_test_exception([(4), (1,2)], lambda x, y: x.matmul(y), Tensor.dot, expected=(RuntimeError, AssertionError))
self.helper_test_exception([(2,1), (4)], lambda x, y: x.matmul(y), Tensor.dot, expected=(RuntimeError, AssertionError))
self.helper_test_exception([(1), (4)], lambda x, y: x.matmul(y), Tensor.dot, expected=(RuntimeError, AssertionError))
def test_dot(self):
helper_test_op([(45,65), (65,100)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
helper_test_op([(32,45,65), (32,65,100)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
self.helper_test_exception([(2, 4), (1, 3)], lambda x, y: x.matmul(y), Tensor.dot, expected=(RuntimeError, AssertionError))
self.helper_test_exception([(2, 1), (4, 3)], lambda x, y: x.matmul(y), Tensor.dot, expected=(RuntimeError, AssertionError))
with self.assertRaises(AssertionError):
a = Tensor(3.14)
a.matmul(a)
def test_simple_cumsum(self):
helper_test_op([(1024)], lambda x: torch.cumsum(x, dim=0), lambda x: Tensor.cumsum(x, axis=0), atol=1e-6)
def test_cumsum(self):
helper_test_op([(20)], lambda x: torch.cumsum(x, dim=0), lambda x: Tensor.cumsum(x, axis=0), atol=1e-6)
helper_test_op([(20,30)], lambda x: torch.cumsum(x, dim=0), lambda x: Tensor.cumsum(x, axis=0), atol=1e-6)
helper_test_op([(20,30)], lambda x: torch.cumsum(x, dim=1), lambda x: Tensor.cumsum(x, axis=1), atol=1e-6)
helper_test_op([(20,30,40)], lambda x: torch.cumsum(x, dim=2), lambda x: Tensor.cumsum(x, axis=2), atol=1e-6)
helper_test_op([(20,30,40)], lambda x: torch.cumsum(x, dim=-1), lambda x: Tensor.cumsum(x, axis=-1), atol=1e-6)
def test_matmul_simple(self):
helper_test_op([(4), (4,4)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
def test_matmul(self):
helper_test_op([(64), (64,99)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
@unittest.skipIf(IMAGE>0, "no batched matmul on images")
def test_matmul_batched(self):
helper_test_op([(3), (1,3,3,5)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
@unittest.skipIf(IMAGE>0, "no batched matmul on images")
def test_matmul_batched_vector(self):
helper_test_op([(4,3), (1,3,3,5)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-4)
def test_small_gemm(self):
helper_test_op([(8,8), (8,8)], lambda x,y: x.matmul(y), lambda x,y: x@y, atol=1e-3)
def test_small_gemm_eye(self):
helper_test_op(None, lambda x,y: x.matmul(y), lambda x,y: x@y, atol=1e-3, vals=[np.eye(8).astype(np.float32), np.eye(8).astype(np.float32)])
def test_gemm(self):
helper_test_op([(64,64), (64,64)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-3)
def test_big_gemm(self):
helper_test_op([(256,256), (256,256)], lambda x,y: x.matmul(y), Tensor.dot, atol=1e-3)
def test_broadcastdot(self):
helper_test_op([(10,45,65), (65,45)], lambda x,y: x @ y, Tensor.dot, atol=1e-4)
with self.assertRaises(AssertionError):
a = Tensor(3.14)
b = Tensor.ones(3,3)
a @ b
def test_multidot(self):
helper_test_op([(10,45,65), (10,65,45)], lambda x,y: x @ y, Tensor.dot, atol=1e-4)
helper_test_op([(3,3,45,65), (3,3,65,45)], lambda x,y: x @ y, Tensor.dot, atol=1e-4)
def test_sum_simple(self):
helper_test_op(None, lambda x: x.sum(), Tensor.sum, vals=[[1.,1.]])
def test_sum_full(self):
helper_test_op([(16384)], lambda x: x.sum(), lambda x: x.sum())
def test_sum_small_full(self):
helper_test_op([(45,5)], lambda x: x.sum(), Tensor.sum)
def test_sum_relu(self):
helper_test_op([(3,4,5)], lambda x: x.relu().sum().relu(), lambda x: x.relu().sum().relu())
def test_sum(self):
helper_test_op([(45,3)], lambda x: x.sum(), Tensor.sum)
helper_test_op([(3,4,5,6)], lambda x: x.sum(axis=3), lambda x: Tensor.sum(x, axis=3))
helper_test_op([(3,4,5,6)], lambda x: x.sum(axis=(1,3)), lambda x: Tensor.sum(x, axis=(1,3)))
helper_test_op([(3,4,5,6)], lambda x: x.sum(axis=(0,2)), lambda x: Tensor.sum(x, axis=(0,2)))
helper_test_op([(3,4,5,6)], lambda x: x.sum(axis=(1,2)), lambda x: Tensor.sum(x, axis=(1,2)))
helper_test_op([(3,4,5,6)], lambda x: x.sum(axis=1), lambda x: Tensor.sum(x, axis=1))
helper_test_op([()], lambda x: x.sum(), Tensor.sum)
def test_min(self):
helper_test_op([(3,3)], lambda x: x.min(), Tensor.min)
helper_test_op([(45,3)], lambda x: x.min(), Tensor.min)
helper_test_op([(45,3)], lambda x: x.min().mul(0.5), lambda x: Tensor.min(x).mul(0.5))
helper_test_op([()], lambda x: x.min(), Tensor.min)
def test_max(self):
helper_test_op([(45,3)], lambda x: x.max(), Tensor.max)
helper_test_op([(45,3)], lambda x: x.max().mul(0.5), lambda x: Tensor.max(x).mul(0.5))
helper_test_op(None, lambda x: x.max().mul(0.5), lambda x: Tensor.max(x).mul(0.5),
vals=[
[[1.0,1.0,0.0,1.0]],
])
helper_test_op([(3,4,5,6)], lambda x: x.max(axis=1)[0], lambda x: Tensor.max(x, axis=1))
helper_test_op([()], lambda x: x.max(), Tensor.max)
def test_mean(self):
helper_test_op([(3,4,5,6)], lambda x: x.mean())
helper_test_op([()], lambda x: x.mean())
def test_mean_axis(self):
helper_test_op([(3,4,5,6)], lambda x: x.mean(axis=(1,2)), lambda x: Tensor.mean(x, axis=(1,2)))
def test_std(self):
helper_test_op([(45, 65, 85)], lambda x: torch.std(x), lambda x: Tensor.std(x))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, dim=None, correction=0), lambda x: Tensor.std(x, correction=0))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, dim=None, correction=5), lambda x: Tensor.std(x, correction=5))
def test_std_axis(self):
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, dim=0), lambda x: Tensor.std(x, axis=0))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, dim=2), lambda x: Tensor.std(x, axis=2))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, dim=[1, 2]), lambda x: Tensor.std(x, axis=[1, 2]))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, dim=None), lambda x: Tensor.std(x, axis=None))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, correction=0, dim=0), lambda x: Tensor.std(x, axis=0, correction=0))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, correction=0, dim=2), lambda x: Tensor.std(x, axis=2, correction=0))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, correction=0, dim=[1, 2]), lambda x: Tensor.std(x, axis=[1, 2], correction=0))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, correction=0, dim=None), lambda x: Tensor.std(x, axis=None, correction=0))
def test_std_keepdim(self):
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, dim=None, keepdim=True), lambda x: Tensor.std(x, keepdim=True))
helper_test_op([(45, 65, 85)], lambda x: torch.std(x, dim=0, keepdim=True, correction=0), lambda x: Tensor.std(x, keepdim=True, correction=0, axis=0))
def test_log_softmax(self):
helper_test_op([(45,65)], lambda x: torch.nn.LogSoftmax(dim=1)(x), Tensor.log_softmax, atol=1e-7, grad_atol=1e-7)
helper_test_op([()], lambda x: torch.nn.LogSoftmax(dim=0)(x), Tensor.log_softmax, atol=1e-7, grad_atol=1e-7)
def test_log_softmax_other_axis(self):
helper_test_op([(10,10,10)], lambda x: x.log_softmax(0), lambda x: x.log_softmax(0), atol=1e-7, grad_atol=1e-7)
helper_test_op([(10,10,10)], lambda x: x.log_softmax(1), lambda x: x.log_softmax(1), atol=1e-7, grad_atol=1e-7)
helper_test_op([(10,10,10)], lambda x: x.log_softmax(2), lambda x: x.log_softmax(2), atol=1e-7, grad_atol=1e-7)
def test_tanh(self):
helper_test_op([(45,65)], lambda x: x.tanh(), Tensor.tanh, atol=1e-6, grad_atol=1e-6)
helper_test_op([(45,65)], lambda x: x.tanh(), Tensor.tanh, atol=1e-6, grad_atol=1e-6, a=-100)
helper_test_op([()], lambda x: x.tanh(), Tensor.tanh, atol=1e-6, grad_atol=1e-6)
def test_hardtanh(self):
for val in range(10, 30, 5):
helper_test_op([(45,65)], lambda x: torch.nn.functional.hardtanh(x,-val, val), lambda x: x.hardtanh(-val, val), atol=1e-6, grad_atol=1e-6)
helper_test_op([()], lambda x: torch.nn.functional.hardtanh(x,-val, val), lambda x: x.hardtanh(-val, val), atol=1e-6, grad_atol=1e-6)
def test_topo_sort(self):
helper_test_op([(45,65)], lambda x: (x+x)*x, lambda x: x.add(x).mul(x), atol=1e-6, grad_atol=1e-6)
helper_test_op([()], lambda x: (x+x)*x, lambda x: x.add(x).mul(x), atol=1e-6, grad_atol=1e-6)
def test_scalar_mul(self):
helper_test_op([(45,65)], lambda x: x*2, lambda x: x*2)
helper_test_op([()], lambda x: x*2, lambda x: x*2)
def test_scalar_rmul(self):
helper_test_op([(45,65)], lambda x: 2*x, lambda x: 2*x)
helper_test_op([()], lambda x: 2*x, lambda x: 2*x)
def test_scalar_sub(self):
helper_test_op([(45,65)], lambda x: x-2, lambda x: x-2)
helper_test_op([()], lambda x: x-2, lambda x: x-2)
def test_scalar_rsub(self):
helper_test_op([(45,65)], lambda x: 2-x, lambda x: 2-x)
helper_test_op([()], lambda x: 2-x, lambda x: 2-x)
def test_flip_eye_crash(self):
helper_test_op([], lambda: (torch.eye(10)@torch.eye(10).flip(0)),
lambda: (Tensor.eye(10)@Tensor.eye(10).flip(0)), forward_only=True)
def test_broadcast_full(self):
for torch_op, tinygrad_op in [(torch.add, Tensor.add), (torch.sub, Tensor.sub), (torch.mul, Tensor.mul),
(torch.div, Tensor.div), (torch.pow, Tensor.pow)]:
for shapes in [((5,13,24,16), (5,1,24,1)), ((1,3,1,7,1), (2,1,5,1,8))]:
with self.subTest(op=torch_op.__name__, shapes=shapes):
helper_test_op(shapes, torch_op, tinygrad_op, a=-0.5 if tinygrad_op != Tensor.pow else 0.0)
def test_broadcast_simple(self):
helper_test_op([(45,65), (45,1)], lambda x,y: x/y, lambda x,y: x/y)
helper_test_op([(45,65), ()], lambda x,y: x/y, lambda x,y: x/y)
def test_broadcast_partial(self):
for torch_op, tinygrad_op in [(torch.add, Tensor.add), (torch.sub, Tensor.sub), (torch.mul, Tensor.mul),
(torch.div, Tensor.div), (torch.pow, Tensor.pow)]:
for shapes in [((1,32,32,32), (1,32,1,1)), ((5,13,24,16,2), (1,13,24,1,1)),
((4,1), (4,5)), ((1,4), (5,4))]:
with self.subTest(op=torch_op.__name__, shapes=shapes):
# NOTE: ANE backwards?
helper_test_op(shapes, torch_op, tinygrad_op, a=-0.5 if tinygrad_op != Tensor.pow else 0.0)
def test_slice_in_bounds_1dim(self):
helper_test_op([(3)], lambda x: x[1:3], lambda x: x[1:3])
helper_test_op([(3)], lambda x: x[0:2], lambda x: x[0:2])
helper_test_op([(3)], lambda x: x[-2:2], lambda x: x[-2:2])
def test_slice_on_0dim_tensor(self):
helper_test_op([()], lambda x: x[None], lambda x: x[None])
with self.assertRaises(IndexError):
a = Tensor(3.14)
a[0]
def test_slice_int_indexing(self):
helper_test_op([(3)], lambda x: x[1], lambda x: x[1])
helper_test_op([(3)], lambda x: x[-2], lambda x: x[-2])
helper_test_op([(10,10)], lambda x: x[1], lambda x: x[1])
helper_test_op([(3,3,3)], lambda x: x[1,1,1], lambda x: x[1,1,1])
def test_slice_in_bounds_multidim(self):
helper_test_op([(3,3,3)], lambda x: x[1:2], lambda x: x[1:2])
helper_test_op([(3,3,3)], lambda x: x[1:2, 2], lambda x: x[1:2, 2])
helper_test_op([(3,3,3)], lambda x: x[1:2, 1:2], lambda x: x[1:2, 1:2])
helper_test_op([(3,3,3)], lambda x: x[1:2, 1:2, 0:-1], lambda x: x[1:2, 1:2, 0:-1])
def test_slice_with_none(self):
helper_test_op([(3,3,3)], lambda x: x[None], lambda x: x[None])
helper_test_op([(3,3,3)], lambda x: x[1:2, None], lambda x: x[1:2, None])
helper_test_op([(3,3,3)], lambda x: x[1:2, None, 1:2], lambda x: x[1:2, None, 1:2])
helper_test_op([(3,3,3)], lambda x: x[1:2, 1:2, None, -1], lambda x: x[1:2, 1:2, None, -1])
def test_slice_one_endpoint_out_of_bounds(self):
helper_test_op([(3,3,3)], lambda x: x[0:4], lambda x: x[0:4])
helper_test_op([(3,3,3)], lambda x: x[-6:4], lambda x: x[-6:4])
helper_test_op([(3,3,3)], lambda x: x[1:50], lambda x: x[1:50])
helper_test_op([(3,3,3)], lambda x: x[1:50, 1:2, -1], lambda x: x[1:50, 1:2, -1])
def test_slice_stride_gt_one(self):
helper_test_op([(7,5,10)], lambda x: x[::2, ::3, ::4], lambda x: x[::2, ::3, ::4])
helper_test_op([(7,5,10)], lambda x: x[1:5:2, ::3, ::4], lambda x: x[1:5:2, ::3, ::4])
helper_test_op([(7,5,10)], lambda x: x[1:5:2, 3, ::4], lambda x: x[1:5:2, 3, ::4])
helper_test_op([(7,5,10)], lambda x: x[1:5:2, None, None, 3, None, ::4], lambda x: x[1:5:2, None, None, 3, None, ::4])
def test_slice_negative_strides(self):
# Torch doesn't support slicing with negative steps
a = np.random.randn(10, 10, 10).astype(np.float32)
t = Tensor(a)
np.testing.assert_allclose(a[::-1], t[::-1].numpy())
np.testing.assert_allclose(a[::-2], t[::-2].numpy())
np.testing.assert_allclose(a[:, 2:0:-1], t[:, 2:0:-1].numpy())
np.testing.assert_allclose(a[:, 2:0:-1, 3:1:-2], t[:, 2:0:-1, 3:1:-2].numpy())
np.testing.assert_allclose(a[4:0:-3, 2:0:-1, -1:-5:-2], t[4:0:-3, 2:0:-1, -1:-5:-2].numpy())
@unittest.skip("No suppport for tensors with 0s in shape")
def test_slice_both_endpoints_out_of_bounds(self):
helper_test_op([(3,3,3)], lambda x: x[5:10], lambda x: x[5:10], forward_only=True)
helper_test_op([(3,3,3)], lambda x: x[-15:-7], lambda x: x[-15:-7], forward_only=True)
@unittest.skip("No suppport for tensors with 0s in shape")
def test_slice_start_gt_end(self):
helper_test_op([(3,3,3)], lambda x: x[-2:2], lambda x: x[-2:2], forward_only=True)
helper_test_op([(3,3,3)], lambda x: x[-2:-5], lambda x: x[-2:-5], forward_only=True)
@unittest.skip("No suppport for tensors with 0s in shape")
def test_slice_empty(self):
helper_test_op([(10,10)], lambda x: x[1:1], lambda x: x[1:1], forward_only=True)
@unittest.skip("No suppport for tensors with 0s in shape")
def test_slice_zero_in_shape(self):
helper_test_op([(10,10)], lambda x: x[1:1], lambda x: x[1:1]) # x.shape = (0, 10)
helper_test_op([(3,3,3)], lambda x: x[-2:-5], lambda x: x[-2:-5]) # x.shape = (0, 3, 3)
def test_slice_errors(self):
a = Tensor.ones(4, 3)
with self.assertRaises(IndexError):
a[1, 77, 77, 77] # IndexError: (finds too many indices before the out of bounds)
a[1, 77] # IndexError: (out of bounds).
a[0, -77]
def test_slice_ellipsis(self):
helper_test_op([(3,3,3,3)], lambda x: x[..., 0], lambda x: x[..., 0])
helper_test_op([(3,3,3,3)], lambda x: x[0, ...], lambda x: x[0, ...])
helper_test_op([(3,3,3,3)], lambda x: x[0, ..., 0], lambda x: x[0, ..., 0])
helper_test_op([(3,3,3,3)], lambda x: x[0:3, ..., 2:3], lambda x: x[0:3, ..., 2:3])
helper_test_op([(3,3,3,3)], lambda x: x[None, 0:3, ..., 0, None], lambda x: x[None, 0:3, ..., 0, None])
def test_pad2d(self):
helper_test_op([(3,3,3,3)], lambda x: torch.nn.functional.pad(x, (1,2,3,4)), lambda x: x.pad2d(padding=(1,2,3,4)))
helper_test_op([(3,3,3,3)], lambda x: torch.nn.functional.pad(x, (-1,2,-3,4)), lambda x: x.pad2d(padding=(-1,2,-3,4)))
helper_test_op([(3,3,3,3)], lambda x: torch.nn.functional.pad(x, (1,2,3,4), value=5), lambda x: x.pad2d(padding=(1,2,3,4),value=5))
helper_test_op([(3,3,3,3)], lambda x: torch.nn.functional.pad(x, (-1,2,-3,4), value=5), lambda x: x.pad2d(padding=(-1,2,-3,4),value=5))
def test_pad(self):
helper_test_op([(3,3)], lambda x: torch.nn.functional.pad(x, (1,2,3,4)),lambda x: x.pad(((3,4),(1,2))))
helper_test_op([(3,3)], lambda x: torch.nn.functional.pad(x, (1,2,3,4), value=5), lambda x: x.pad(((3,4), (1,2)), value=5))
helper_test_op([(3,3)], lambda x: torch.nn.functional.pad(x, (1,2,3,4), value=float("inf")), lambda x: x.pad(((3,4), (1,2)), value=float("inf")))
helper_test_op([(3,3)], lambda x: torch.nn.functional.pad(x, (1,2,3,4), value=float("-inf")), lambda x: x.pad(((3,4), (1,2)), value=float("-inf")))
def test_transpose(self):
helper_test_op([(3,3,3)], lambda x: x.transpose(1,2), lambda x: x.transpose(1,2))
helper_test_op([(3,3,3)], lambda x: x.transpose(0,2), lambda x: x.transpose(0,2))
helper_test_op([(1,2,3,4)], lambda x: x.movedim((3,0,2,1),(0,1,2,3)), lambda x: x.permute(order=(3,0,2,1)))
helper_test_op([(3,4,5,6)], lambda x: x.movedim((3,2,1,0),(0,1,2,3)), lambda x: x.permute(order=(3,2,1,0)))
helper_test_op([()], lambda x: x.permute(()), lambda x: x.permute(()))
def test_reshape(self):
helper_test_op([(4,3,6,6)], lambda x: torch.reshape(x, (-1,3,6,6)), lambda x: x.reshape(shape=(-1,3,6,6)))
helper_test_op([(4,3,6,6)], lambda x: torch.reshape(x, (-1,1,6,6)), lambda x: x.reshape(shape=(-1,1,6,6)))
helper_test_op([()], lambda x: torch.reshape(x, []), lambda x: x.reshape([]))
helper_test_op([(1,)], lambda x: torch.reshape(x, []), lambda x: x.reshape([]))
helper_test_op([()], lambda x: torch.reshape(x, [1]), lambda x: x.reshape([1]))
with self.assertRaises(AssertionError):
x = Tensor.ones((4,3,6,6))
x.reshape([])
def test_flip(self):
helper_test_op([(4,3,6,6)], lambda x: torch.flip(x, (0,)), lambda x: x.flip(axis=(0,)))
helper_test_op([(4,3,6,6)], lambda x: torch.flip(x, (0,1)), lambda x: x.flip(axis=(0,1)))
helper_test_op([(4,3,6,6)], lambda x: torch.flip(x, (0,1,3)), lambda x: x.flip(axis=(0,1,3)))
helper_test_op([(4,3,6,6)], lambda x: torch.flip(x, (3,)), lambda x: x.flip(axis=(3,)))
helper_test_op([(4,3,6,6)], lambda x: torch.flip(x, (0,1,3)).flip((0,)), lambda x: x.flip(axis=(0,1,3)).flip(0))
helper_test_op([(4,3,6,6)], lambda x: torch.flip(x, (3,)), lambda x: x.flip(axis=(-1,)))
helper_test_op([()], lambda x: torch.flip(x, ()), lambda x: x.flip(axis=()))
helper_test_op([(1,)], lambda x: torch.flip(x, ()), lambda x: x.flip(axis=()))
helper_test_op([(4, 3, 6, 6)], lambda x: torch.flip(x, ()), lambda x: x.flip(axis=()))
def test_squeeze(self):
helper_test_op([(1,3,6,6)], lambda x: torch.squeeze(x, 0), lambda x: x.squeeze(dim=0))
helper_test_op([(4,3,1,6)], lambda x: torch.squeeze(x, 1), lambda x: x.squeeze(dim=1))
helper_test_op([(4,3,6,6)], lambda x: torch.squeeze(x, 3), lambda x: x.squeeze(dim=3))
self.helper_test_exception([(4,3,6,6)], lambda x: torch.squeeze(x, 50), lambda x: x.squeeze(dim=50), expected=IndexError, exact=True)
self.helper_test_exception([(4,3,6,6)], lambda x: torch.squeeze(x, -50), lambda x: x.squeeze(dim=-50), expected=IndexError, exact=True)
helper_test_op([(4,3,6,1)], lambda x: torch.squeeze(x, -1), lambda x: x.squeeze(dim=-1))
helper_test_op([(4,3,6,6)], lambda x: torch.squeeze(x), lambda x: x.squeeze())
helper_test_op([(1,3,6,6)], lambda x: torch.squeeze(x), lambda x: x.squeeze())
helper_test_op([(2,3,1)], lambda x: torch.squeeze(x), lambda x: x.squeeze())
helper_test_op([()], lambda x: torch.squeeze(x, -1), lambda x: x.squeeze(dim=-1))
helper_test_op([()], lambda x: torch.squeeze(x, 0), lambda x: x.squeeze(dim=0))
self.helper_test_exception([()], lambda x: torch.squeeze(x, 10), lambda x: x.squeeze(dim=10), expected=IndexError, exact=True)
helper_test_op([()], lambda x: torch.squeeze(x), lambda x: x.squeeze())
def test_unsqueeze(self):
helper_test_op([(4,3,6,6)], lambda x: torch.unsqueeze(x, 0), lambda x: x.unsqueeze(dim=0))
helper_test_op([(4,3,6,6)], lambda x: torch.unsqueeze(x, 4), lambda x: x.unsqueeze(dim=4))
helper_test_op([(4,3,6,6)], lambda x: torch.unsqueeze(x, -1), lambda x: x.unsqueeze(dim=-1))
helper_test_op([(4,3,6,6)], lambda x: torch.unsqueeze(x, -3), lambda x: x.unsqueeze(dim=-3))
helper_test_op([()], lambda x: torch.unsqueeze(x, 0), lambda x: x.unsqueeze(dim=0))
def test_flatten(self):
for axis in range(3):
helper_test_op([(4,3,6,6)], lambda x: torch.flatten(x, start_dim=axis), lambda x: x.flatten(axis))
helper_test_op([()], lambda x: x.flatten(), lambda x: x.flatten())
helper_test_op([(1,)], lambda x: x.flatten(), lambda x: x.flatten())
def test_detach(self):
helper_test_op([(4,3,6,6)], lambda x: x.detach(), lambda x: x.detach(), forward_only=True)
helper_test_op([()], lambda x: x.detach(), lambda x: x.detach(), forward_only=True)
def test_expand(self):
arg = (4,3,2,6)
helper_test_op([(4,3,1,6)], lambda x: x.expand(arg), lambda x: x.expand(shape=arg))
helper_test_op([()], lambda x: x.expand([]), lambda x: x.expand(shape=[]))
@unittest.skip("very slow")
def test_sd_big_conv(self):
# internal shape (1, 1, 512, 62, 62, 512, 3, 3) overflows a int
helper_test_op([(1,256,64,64), (512,256,3,3)],
lambda x,w: torch.nn.functional.conv2d(x, w),
lambda x,w: x.conv2d(w), atol=1e-2)
@unittest.skip("slow")
def test_large_bs_conv(self):
# large batch size can cause OpenCL image to exceed max image height on macOS
# (or cause the conv kernel to overflow short sampling coords)
helper_test_op([(4096,3,3,3), (1,3,3,3)],
lambda x,w: torch.nn.functional.conv2d(x, w),
lambda x,w: x.conv2d(w), atol=1e-4, rtol=1e-2)
@unittest.skip("slow")
def test_large_ic_conv(self):
# large input channel count can cause OpenCL image to exceed max image width on macOS
helper_test_op([(1,2048,3,3), (1,2048,3,3)],
lambda x,w: torch.nn.functional.conv2d(x, w),
lambda x,w: x.conv2d(w), atol=1e-4)
def test_biased_conv2d(self):
C = 8
helper_test_op([(1,C,5,5), (C,C,1,1), (C,)],
lambda x,w,b: torch.nn.functional.conv2d(torch.nn.functional.conv2d(x,w,b).relu(),w,b),
lambda x,w,b: Tensor.conv2d(x,w,b).relu().conv2d(w,b), atol=1e-4)
def test_simple_conv2d(self):
helper_test_op([(1,4,9,9), (4,4,3,3)],
lambda x,w: torch.nn.functional.conv2d(x,w).relu(),
lambda x,w: Tensor.conv2d(x,w).relu(), atol=1e-4, grad_rtol=1e-5)
@unittest.skipIf(IMAGE>0, "no conv3d on images")
def test_simple_conv3d(self):
helper_test_op([(1,4,9,9,9), (4,4,3,3,3)],
lambda x,w: torch.nn.functional.conv3d(x,w).relu(),
lambda x,w: Tensor.conv2d(x,w).relu(), atol=1e-4, grad_rtol=1e-5)
@unittest.skipIf(IMAGE>0, "no conv3d on images")
def test_padded_conv3d(self):
helper_test_op([(1,4,9,9,9), (4,4,3,3,3)],
lambda x,w: torch.nn.functional.conv3d(x,w,padding=1).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=[1,1,1,1,1,1]).relu(), atol=1e-4, grad_rtol=1e-5)
def test_simple_conv2d_m4(self):
helper_test_op([(1,16,18,18), (16,16,3,3)],
lambda x,w: torch.nn.functional.conv2d(x,w).relu(),
lambda x,w: Tensor.conv2d(x,w).relu(), atol=1e-4, grad_rtol=1e-5)
def test_simple_conv2d_1x1(self):
helper_test_op([(1,4,9,9), (4,4,1,1)],
lambda x,w: torch.nn.functional.conv2d(x,w).relu(),
lambda x,w: Tensor.conv2d(x,w).relu(), atol=1e-4, grad_rtol=1e-5)
def test_simple_conv2d_1x1_m4(self):
helper_test_op([(1,16,32,32), (16,16,1,1)],
lambda x,w: torch.nn.functional.conv2d(x,w).relu(),
lambda x,w: Tensor.conv2d(x,w).relu(), atol=1e-4, grad_rtol=1e-5)
def test_nested_conv2d(self):
helper_test_op([(1,32,9,9), (32,32,3,3), (32,32,3,3)],
lambda x,w1,w2: torch.nn.functional.conv2d(torch.nn.functional.conv2d(x,w1).relu(), w2).relu(),
lambda x,w1,w2: x.conv2d(w1).relu().conv2d(w2).relu(), atol=1e-4, grad_rtol=1e-5)
# expect reduce nodes == 3
def test_simple_conv2d_nhwc(self):
# weights (from tf): filter_height x filter_width x in_channels x out_channels
helper_test_op([(2,9,9,10), (3,3,10,20)],
lambda x,w: torch.nn.functional.conv2d(x.permute(0,3,1,2),w.permute(3,2,0,1)).relu(),
lambda x,w: Tensor.conv2d(x.permute(0,3,1,2),w.permute(3,2,0,1)).relu(), atol=1e-4, grad_rtol=1e-5)
def test_simple_conv2d_batched(self):
helper_test_op([(2,4,9,9), (4,4,3,3)],
lambda x,w: torch.nn.functional.conv2d(x,w).relu(),
lambda x,w: Tensor.conv2d(x,w).relu(), atol=1e-4, grad_rtol=1e-5)
# conv transpose
def test_simple_conv_transpose2d(self):
helper_test_op([(2,4,9,9), (4,4,3,3)],
lambda x,w: torch.nn.functional.conv_transpose2d(x,w).relu(),
lambda x,w: Tensor.conv_transpose2d(x,w).relu(), atol=1e-4, grad_rtol=1e-5)
def test_bias_conv_transpose2d(self):
helper_test_op([(2,4,9,9), (4,4,3,3), (4,)],
lambda x,w,b: torch.nn.functional.conv_transpose2d(x,w,b).relu(),
lambda x,w,b: Tensor.conv_transpose2d(x,w,b).relu(), atol=1e-4, grad_rtol=1e-5)
def test_grouped_conv_transpose2d(self):
helper_test_op([(2,4,9,9), (4,4,3,3)],
lambda x,w: torch.nn.functional.conv_transpose2d(x,w,groups=2).relu(),
lambda x,w: Tensor.conv_transpose2d(x,w,groups=2).relu(), atol=1e-4, grad_rtol=1e-5)
def test_padded_conv_transpose2d(self):
for padding in [(1,2), (2,1), 2, 1, 0]:
helper_test_op([(2,4,9,9), (4,4,3,3)],
lambda x,w: torch.nn.functional.conv_transpose2d(x,w,padding=padding).relu(),
lambda x,w: Tensor.conv_transpose2d(x,w,padding=padding).relu(), atol=1e-4, grad_rtol=1e-5)
def test_dilated_conv_transpose2d(self):
for dilation in [(1,2), (2,1), 2, 1]:
helper_test_op([(2,4,9,9), (4,4,3,3)],
lambda x,w: torch.nn.functional.conv_transpose2d(x,w,dilation=dilation).relu(),
lambda x,w: Tensor.conv_transpose2d(x,w,dilation=dilation).relu(), atol=1e-4, grad_rtol=1e-5)
def test_strided_conv_transpose2d(self):
for stride in [(2,1), (1,2), 1]:
helper_test_op([(2,4,4,5), (4,4,3,3)],
lambda x,w: torch.nn.functional.conv_transpose2d(x,w, stride=stride).relu(),
lambda x,w: Tensor.conv_transpose2d(x,w,stride=stride).relu(), atol=1e-4, grad_rtol=1e-5)
@unittest.skipIf(Device.DEFAULT == "METAL" and getenv("CI", "") != "", "broken in METAL CI")
def test_output_padded_conv_transpose2d(self):
for output_padding, stride in [((1,1), (2,3)), ((2,1), (3,2))]:
helper_test_op([(2,4,6,5), (4,4,3,3),(4,)],
lambda x,w,b: torch.nn.functional.conv_transpose2d(x,w,b,output_padding=output_padding,stride=stride).relu(),
lambda x,w,b: Tensor.conv_transpose2d(x,w,b,output_padding=output_padding,stride=stride).relu(), atol=1e-4, grad_rtol=1e-5)
@unittest.skipIf(IMAGE>0, "no conv3d on images")
def test_simple_conv_transpose3d(self):
helper_test_op([(2,4,9,9,9), (4,4,3,3,3)],
lambda x,w: torch.nn.functional.conv_transpose3d(x,w).relu(),
lambda x,w: Tensor.conv_transpose2d(x,w).relu(), atol=1e-4, grad_rtol=1e-5)
@unittest.skipIf((IMAGE>0), "no conv1d on images")
def test_conv1d(self):
for bs in [1,8]:
for cin in [1,3]:
for groups in [1,3] if cin == 3 else [1]:
for H in [1,2,5]:
with self.subTest(batch_size=bs, channels=cin, groups=groups, height=H):
helper_test_op([(bs,cin,11), (6,cin//groups,H)],
lambda x,w: torch.nn.functional.conv1d(x,w,groups=groups).relu(),
lambda x,w: Tensor.conv2d(x,w,groups=groups).relu(), atol=1e-4, grad_rtol=1e-5)
@unittest.skipIf(IMAGE>0, "no conv1d on images")
def test_simple_padding_conv1d(self):
bs = 6
cin = 2
groups = 1
H = 5
p = (1,1)
helper_test_op([(bs,cin,11), (6,cin//groups,H)],
lambda x,w: torch.nn.functional.conv1d(torch.nn.functional.pad(x, p),w).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=p).relu(), atol=1e-4)
@unittest.skipIf(IMAGE>0, "no conv1d on images")
def test_strided_conv1d_simple(self):
bs, H = 2, 3
helper_test_op([(bs,1,5), (1,1,H)],
lambda x,w: torch.nn.functional.conv1d(x,w,stride=2).relu(),
lambda x,w: Tensor.conv2d(x,w,stride=2).relu(), atol=1e-4)
@unittest.skipIf(IMAGE>0, "no conv1d on images")
def test_asymmetric_padding_conv1d(self):
for p in [(0,1), (2,1), (2,0)]:
with self.subTest(padding := p):
for n in [3,4]:
for k in [2]:
helper_test_op([(1,1,n), (1,1,k)],
lambda x,w: torch.nn.functional.conv1d(torch.nn.functional.pad(x, p),w).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=p).relu(), atol=1e-4)
helper_test_op([(1,1,n), (1,1,k)],
lambda x,w: torch.nn.functional.conv1d(torch.nn.functional.pad(x, p),w).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=p).relu(), atol=1e-4)
def test_conv2d(self):
for bs in [1,8]:
for cin in [1,3]:
for groups in [1,3] if cin == 3 else [1]:
for H in [1,2,5]:
for W in [1,2,3,5]:
with self.subTest(batch_size=bs, channels=cin, groups=groups, height=H, width=W):
helper_test_op([(bs,cin,11,28), (6,cin//groups,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,groups=groups).relu(),
lambda x,w: Tensor.conv2d(x,w,groups=groups).relu(), atol=1e-4, grad_rtol=1e-5)
def test_large_input_conv2d(self):
bs = 4
cin = 16
groups = 1
H = 5
W = 2
helper_test_op([(bs,cin,64,64), (6,cin//groups,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,groups=groups).relu(),
# needed to relax tolerance on NVIDIA
lambda x,w: Tensor.conv2d(x,w,groups=groups).relu(), atol=1e-3, grad_rtol=1e-5)
def test_simple_grouped_conv2d(self):
bs = 1
groups = 2
rcout = 1
cin = 2
helper_test_op([(bs,groups*cin,1,1), (groups*rcout,cin,1,1)],
lambda x,w: torch.nn.functional.conv2d(x,w,groups=groups).relu(),
lambda x,w: Tensor.conv2d(x,w,groups=groups).relu(), atol=1e-4, grad_rtol=1e-5)
def test_medium_grouped_conv2d(self):
bs = 1
groups = 2
rcout = 2
cin = 2
helper_test_op([(bs,groups*cin,1,1), (groups*rcout,cin,1,1)],
lambda x,w: torch.nn.functional.conv2d(x,w,groups=groups).relu(),
lambda x,w: Tensor.conv2d(x,w,groups=groups).relu(), atol=1e-4, grad_rtol=1e-5)
def test_depthwise_conv2d(self):
bs = 1
groups = 32
rcout = 1
cin = 1
helper_test_op([(bs,groups*cin,32,32), (groups*rcout,cin,1,1)],
lambda x,w: torch.nn.functional.conv2d(x,w,groups=groups).relu(),
lambda x,w: Tensor.conv2d(x,w,groups=groups).relu(), atol=1e-4, grad_rtol=1e-5)
def test_grouped_conv2d(self):
bs = 4
groups = 5
rcout = 7
cin = 3
helper_test_op([(bs,groups*cin,5,5), (groups*rcout,cin,3,3)],
lambda x,w: torch.nn.functional.conv2d(x,w,groups=groups).relu(),
lambda x,w: Tensor.conv2d(x,w,groups=groups).relu(), atol=1e-4, grad_rtol=1e-5)
def test_fancy_conv2d(self):
bs = 2
cin = 3
cout = 1
groups = 3
H,W = 3,3
helper_test_op([(bs,cin,11,28), (groups*cout,cin//groups,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,groups=groups).relu(),
lambda x,w: Tensor.conv2d(x,w,groups=groups).relu(), atol=1e-4, grad_rtol=1e-5)
def test_strided_conv2d_simple(self):
bs,H,W = 2,3,1
helper_test_op([(bs,1,5,1), (1,1,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,stride=2).relu(),
lambda x,w: Tensor.conv2d(x,w,stride=2).relu(), atol=1e-4)
def test_strided_conv2d(self):
bs = 4
cin = 3
H,W = 3,3
with self.subTest(stride := 2):
helper_test_op([(bs,cin,11,28), (4,cin,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,stride=2).relu(),
lambda x,w: Tensor.conv2d(x,w,stride=stride).relu(), atol=1e-4)
with self.subTest(stride := (2,1)):
helper_test_op([(bs,cin,11,28), (4,cin,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,stride=stride).relu(),
lambda x,w: Tensor.conv2d(x,w,stride=(2,1)).relu(), atol=1e-4)
def test_negative_padding_conv2d(self):
n,k = 10, 3
helper_test_op([(1,1,n,n), (1,1,k,k)],
lambda x,w: torch.nn.functional.conv2d(x[:, :, 1:-1, 1:-1],w).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=-1).relu(), atol=1e-4)
helper_test_op([(1,1,n,n), (1,1,k,k)],
lambda x,w: torch.nn.functional.conv2d(x[:, :, 1:, 1:],w).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=(-1,0,-1,0)).relu(), atol=1e-4)
def test_simple_padding_conv2d(self):
p = (1,1,1,1)
helper_test_op(None,
lambda x,w: torch.nn.functional.conv2d(torch.nn.functional.pad(x, p),w).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=p).relu(), atol=1e-4, vals=[[[[[2.,3.]]]], [[[[1.]]]]])
def test_asymmetric_padding_conv2d(self):
for p in [(0,1,0,1), (2,1,2,1), (2,0,2,1)]:
with self.subTest(padding := p):
for n in [3,4]:
for k in [2]:
helper_test_op([(1,1,n,n), (1,1,k,k)],
lambda x,w: torch.nn.functional.conv2d(torch.nn.functional.pad(x, p),w).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=p).relu(), atol=1e-4)
helper_test_op([(1,1,n,n), (1,1,k,k)],
lambda x,w: torch.nn.functional.conv2d(torch.nn.functional.pad(x, p),w).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=p).relu(), atol=1e-4)
@unittest.skipIf(Device.DEFAULT == "METAL" and getenv("CI", "") != "", "broken in METAL CI")
def test_padded_conv2d_p21(self):
bs,cin,H,W,padding = 4, 3, 3, 3, (2,1)
helper_test_op([(bs,cin,11,28), (4,cin,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,padding=padding).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=padding).relu(), atol=1e-4)
@unittest.skipIf(Device.DEFAULT == "METAL" and getenv("CI", "") != "", "broken in METAL CI")
def test_padded_conv2d_p22(self):
bs,cin,H,W,padding = 4, 3, 3, 3, (2,2)
helper_test_op([(bs,cin,11,28), (4,cin,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,padding=padding).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=padding).relu(), atol=1e-4)
def test_padded_conv2d_1x1(self):
bs,cin,H,W,padding = 4, 3, 1, 1, 2
helper_test_op([(bs,cin,11,28), (4,cin,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,padding=padding).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=padding).relu(), atol=1e-4)
def test_padded_conv2d_bs1(self):
bs,cin,H,W,padding = 1, 3, 3, 3, 1
helper_test_op([(bs,cin,11,28), (4,cin,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,padding=padding).relu(),
lambda x,w: Tensor.conv2d(x,w,padding=padding).relu(), atol=1e-4)
def test_padding_add(self):
helper_test_op([(64,64), (60,60)],
lambda x,w: x+torch.nn.functional.pad(w, (2,2,2,2)),
lambda x,w: x+w.pad2d((2,2,2,2)))
def test_dilated_conv2d(self):
bs = 4
cin = 3
H,W = 3,3
for d in [2, (2,1)]:
with self.subTest(dilation := d):
helper_test_op([(bs,cin,11,28), (4,cin,H,W)],
lambda x,w: torch.nn.functional.conv2d(x,w,dilation=dilation).relu(),
lambda x,w: Tensor.conv2d(x,w,dilation=dilation).relu(), atol=1e-4)
def test_maxpool2d_simple(self):
ksz = (2,2)
helper_test_op([(1,1,2,3)],
lambda x: torch.nn.functional.max_pool2d(x, kernel_size=ksz),
lambda x: Tensor.max_pool2d(x, kernel_size=ksz))
def test_maxpool2d(self):
for ksz in [(2,2), (3,3), 2, 3, (3,2), (5,5), (5,1)]:
with self.subTest(kernel_size=ksz):
helper_test_op([(32,2,110,28)],
lambda x: torch.nn.functional.max_pool2d(x, kernel_size=ksz),
lambda x: Tensor.max_pool2d(x, kernel_size=ksz))
def test_maxpool2d_bigger_stride(self):
for stride in [(2,3), (3,2), 2, 3]:
with self.subTest(stride=stride):
helper_test_op([(32,2,110,28)],
lambda x: torch.nn.functional.max_pool2d(x, kernel_size=(2,2), stride=stride),
lambda x: Tensor.max_pool2d(x, kernel_size=(2,2), stride=stride))
@unittest.skipIf(Device.DEFAULT == "CUDA", "CUDA fails on this")
def test_maxpool2d_unit_stride(self):
helper_test_op([(32,2,110,28)],
lambda x: torch.nn.functional.max_pool2d(x, kernel_size=(5,5), stride=1),
lambda x: Tensor.max_pool2d(x, kernel_size=(5,5), stride=1))
def test_maxpool2d_smaller_stride(self):
for stride in [(2,3), (3,2), 2, 3]:
with self.subTest(stride=stride):
helper_test_op([(32,2,110,28)],
lambda x: torch.nn.functional.max_pool2d(x, kernel_size=(5,5), stride=stride),
lambda x: Tensor.max_pool2d(x, kernel_size=(5,5), stride=stride))
def test_maxpool2d_dilation(self):
for dilation in [(2, 3), (3, 2), 2, 3]:
helper_test_op([(32,2,110,28)],
lambda x: torch.nn.functional.max_pool2d(x, kernel_size=(5,5), dilation=dilation),
lambda x: Tensor.max_pool2d(x, kernel_size=(5,5), dilation=dilation))
def test_avgpool2d(self):
shape = (32,2,111,28)
for ksz in [(2,2), (3,3), (3,2), (5,5), (5,1)]:
with self.subTest(kernel_size=ksz):
helper_test_op([shape],
lambda x: torch.nn.functional.avg_pool2d(x, kernel_size=ksz),
lambda x: Tensor.avg_pool2d(x, kernel_size=ksz), rtol=1e-5)
def test_global_avgpool2d(self):
helper_test_op([(32,2,111,28)],
lambda x: torch.nn.functional.avg_pool2d(x, kernel_size=(111,28)),
lambda x: Tensor.avg_pool2d(x, kernel_size=(111,28)), rtol=1e-5)
def test_cat(self):
for dim in range(-2, 3):
helper_test_op([(45,65, 90), (45,65,90), (45,65,90)], lambda x,y,z: torch.cat((x,y,z), dim), lambda x,y,z: x.cat(y, z, dim=dim))
with self.assertRaises(AssertionError):
a = Tensor(3.14)
a.cat(a)
def test_multicat(self):
for dim in range(-1, 2):
helper_test_op([(45,65), (45,65), (45,65)], lambda x,y,z: torch.cat((x,y,z), dim), lambda x,y,z: x.cat(y, z, dim=dim))
def test_stack(self):
x = Tensor.randn(45, 65, 3)
for dim in range(-1, 3):
helper_test_op([(45, 65, 3), (45, 65, 3), (45, 65, 3)], lambda x, y, z: torch.stack((x, y, z), dim=dim), lambda x, y, z: Tensor.stack([x, y, z], dim=dim))
with self.assertRaises(IndexError):
Tensor.stack([x], dim=77)
a = Tensor(3.14)
np.testing.assert_allclose(Tensor.stack([a, a]).numpy(), Tensor([3.14, 3.14]).numpy())
def test_repeat(self):
x = Tensor.randn(45, 65, 3)
base_repeats = [2, 4, 3]
for reps in [[], [4], [2, 1], [3, 2, 2]]:
repeats = base_repeats + reps
helper_test_op([(45, 65, 3)], lambda x: x.repeat(*repeats), lambda x: x.repeat(repeats))
helper_test_op([()], lambda x: x.repeat(*repeats), lambda x: x.repeat(repeats))
with self.assertRaises(AssertionError):
x.repeat((2, 4))
with self.assertRaises(AssertionError):
x.repeat((2, 0, 4))
def test_clip(self):
helper_test_op([(45,65)], lambda x: x.clip(-2.3, 1.2), lambda x: x.clip(-2.3, 1.2))
def test_matvec(self):
helper_test_op([(1,128), (128,128), (128,128)], lambda x,y,z: (x@y).relu()@z, atol=1e-4)
# this was the failure in llama early realizing freqs_cis
def test_double_slice(self):
helper_test_op([(4,4)], lambda x: x[:, 1:2][1:2])
helper_test_op([(4,4)], lambda x: x[1:3][1:2])
helper_test_op([(4,4)], lambda x: x[:, 1:2][0:1])
helper_test_op([(4,4)], lambda x: x[:, 1:2][:, 0:1])
@unittest.skip("this test is broken #862")
def test_max_inf(self):
n = Tensor([1, float("nan")]).max().numpy()
assert math.isnan(n.item()), f"{n.item()} is not nan"
def test_inf_where(self):
x = Tensor.full((3, 3), float("inf"))
n = (x < 0).where(x, 1).numpy()
assert np.all(n == 1.)
def test_gather(self):
nda = np.random.randn(4,5,6,9,5).astype(np.float32)
ten = Tensor(nda, requires_grad=True)
tor = torch.tensor(nda, requires_grad=True)
c = np.random.randint(low=-4, high=4, size=[3,4,5]).astype(np.int32)
a = Tensor(c, requires_grad=False)
b = torch.tensor(c, requires_grad=False)
helper_test_op([], lambda: tor[b,:,:,:,:], lambda: ten.gather(a, dim=0))
helper_test_op([], lambda: tor[:,b,:,:,:], lambda: ten.gather(a, dim=1))
helper_test_op([], lambda: tor[:,:,b,:,:], lambda: ten.gather(a, dim=2))
helper_test_op([], lambda: tor[:,:,:,b,:], lambda: ten.gather(a, dim=3))
helper_test_op([], lambda: tor[:,:,:,:,b], lambda: ten.gather(a, dim=4))
ta = Tensor(c, requires_grad=True)
tb = torch.tensor(c, requires_grad=True, dtype=torch.float32)
self.helper_test_exception([], lambda: tor[tb,:,:,:,:].sum().backward(), lambda: ten.gather(ta, dim=0).sum().backward(), expected=(IndexError, RuntimeError)) # torch raises IndexError, Tensor raises RuntimeError
if __name__ == '__main__':
np.random.seed(1337)
unittest.main(verbosity=2)
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