tinygrad/extra/gemm/simple_matmul.py

35 lines
1.3 KiB
Python

import numpy as np
from tinygrad.helpers import getenv
from tinygrad import dtypes, Tensor
dtype_in = dtypes.half if getenv("HALF") else dtypes.bfloat16 if getenv("BFLOAT16") else dtypes.float
acc_dtype = dtypes.half if getenv("ACC_HALF") else dtypes.bfloat16 if getenv("ACC_BFLOAT16") else None
if getenv("INT"):
dtype_in = dtypes.int8
acc_dtype = dtypes.int32
N = getenv("N", 4096)
M = getenv("M", N)
K = getenv("K", N)
CNT = getenv("CNT", 10)
ATOL = getenv("ATOL", 1e-4)
RTOL = getenv("RTOL", 3e-2)
if __name__ == "__main__":
a, b = Tensor.rand(M, K, dtype=dtype_in).realize(), Tensor.rand(K, N, dtype=dtype_in).realize()
for i in range(CNT):
if i > 0 and getenv("RAND", 0) != 0:
a, b = Tensor.rand(M, K, dtype=dtype_in).realize(), Tensor.rand(K, N, dtype=dtype_in).realize()
c = a.matmul(b, acc_dtype=acc_dtype).realize()
comp = a.numpy().astype(np.float32) @ b.numpy().astype(np.float32)
nc = c.numpy()
try:
np.testing.assert_allclose(nc, comp, atol=ATOL, rtol=RTOL)
except AssertionError as e:
if getenv("DEBUG_VALUES") > 0:
indices = np.where(~np.isclose(nc, comp, rtol=RTOL, atol=ATOL))
non_matching_elements_nc = nc[indices]
non_matching_elements_comp = comp[indices]
print(indices)
print("result :", non_matching_elements_nc)
print("ground truth:", non_matching_elements_comp)
raise e