Files
onepilot/selfdrive/modeld/SConscript
YassineYousfi 2ba6df2506 chunk tinygrad pkl below GitHub max size - NoCache and AlwaysBuild (#37194)
* nocache

* +

* fixes

* lint

* not split

* use pathlib

* cleanup

* better

* even better
2026-02-13 10:14:24 -08:00

79 lines
3.3 KiB
Python

import os
import glob
Import('env', 'arch')
lenv = env.Clone()
CHUNK_BYTES = int(os.environ.get("TG_CHUNK_BYTES", str(45 * 1024 * 1024)))
tinygrad_root = env.Dir("#").abspath
tinygrad_files = ["#"+x for x in glob.glob(env.Dir("#tinygrad_repo").relpath + "/**", recursive=True, root_dir=tinygrad_root)
if 'pycache' not in x and os.path.isfile(os.path.join(tinygrad_root, x))]
# Get model metadata
for model_name in ['driving_vision', 'driving_policy', 'dmonitoring_model']:
fn = File(f"models/{model_name}").abspath
script_files = [File(Dir("#selfdrive/modeld").File("get_model_metadata.py").abspath)]
cmd = f'python3 {Dir("#selfdrive/modeld").abspath}/get_model_metadata.py {fn}.onnx'
lenv.Command(fn + "_metadata.pkl", [fn + ".onnx"] + tinygrad_files + script_files, cmd)
# compile warp
# THREADS=0 is need to prevent bug: https://github.com/tinygrad/tinygrad/issues/14689
tg_flags = {
'larch64': 'DEV=QCOM FLOAT16=1 NOLOCALS=1 JIT_BATCH_SIZE=0',
'Darwin': f'DEV=CPU THREADS=0 HOME={os.path.expanduser("~")}', # tinygrad calls brew which needs a $HOME in the env
}.get(arch, 'DEV=CPU CPU_LLVM=1 THREADS=0')
image_flag = {
'larch64': 'IMAGE=2',
}.get(arch, 'IMAGE=0')
script_files = [File(Dir("#selfdrive/modeld").File("compile_warp.py").abspath)]
cmd = f'{tg_flags} python3 {Dir("#selfdrive/modeld").abspath}/compile_warp.py '
from openpilot.common.transformations.camera import _ar_ox_fisheye, _os_fisheye
warp_targets = []
for cam in [_ar_ox_fisheye, _os_fisheye]:
w, h = cam.width, cam.height
warp_targets += [File(f"models/warp_{w}x{h}_tinygrad.pkl").abspath, File(f"models/dm_warp_{w}x{h}_tinygrad.pkl").abspath]
lenv.Command(warp_targets, tinygrad_files + script_files, cmd)
def tg_compile(flags, model_name):
pythonpath_string = 'PYTHONPATH="${PYTHONPATH}:' + env.Dir("#tinygrad_repo").abspath + '"'
fn = File(f"models/{model_name}").abspath
out = fn + "_tinygrad.pkl"
full = out + ".full"
parts = out + ".parts"
full_node = lenv.Command(
full,
[fn + ".onnx"] + tinygrad_files,
f'{pythonpath_string} {flags} {image_flag} python3 {Dir("#tinygrad_repo").abspath}/examples/openpilot/compile3.py {fn}.onnx {full}'
)
split_script = File(Dir("#selfdrive/modeld").File("external_pickle.py").abspath)
parts_node = lenv.Command(
parts,
[full_node, split_script, Value(str(CHUNK_BYTES))],
[f'python3 {split_script.abspath} {full} {out} {CHUNK_BYTES}', Delete(full)],
)
lenv.NoCache(parts_node)
lenv.AlwaysBuild(parts_node)
return parts_node
# Compile small models
for model_name in ['driving_vision', 'driving_policy', 'dmonitoring_model']:
tg_compile(tg_flags, model_name)
# Compile BIG model if USB GPU is available
if "USBGPU" in os.environ:
import subprocess
# because tg doesn't support multi-process
devs = subprocess.check_output('python3 -c "from tinygrad import Device; print(list(Device.get_available_devices()))"', shell=True, cwd=env.Dir('#').abspath)
if b"AMD" in devs:
print("USB GPU detected... building")
flags = "DEV=AMD AMD_IFACE=USB AMD_LLVM=1 NOLOCALS=0 IMAGE=0"
bp = tg_compile(flags, "big_driving_policy")
bv = tg_compile(flags, "big_driving_vision")
lenv.SideEffect('lock', [bp, bv]) # tg doesn't support multi-process so build serially
else:
print("USB GPU not detected... skipping")