Files
sunnypilot/selfdrive/modeld/SConscript
Jason Wen 10a33a4bf1 tg: reapply changes (#1817)
* Reapply "bump tg (#37700)"

This reverts commit 9022b4d322.

* fixup! Reapply "bump tg (#37700)"

* Revert "Revert "autodetect tg backend (#37778)""

This reverts commit b782958a

* Reapply "autodetect tg backend: use CPU:LLVM on Linux (#37785)"

This reverts commit 3fa6726f88.

* Reapply "Modeld: support uncompiled"

This reverts commit 8c240cc1a4.

* fixup! Reapply "bump tg (#37700)"

* fixup! Reapply "autodetect tg backend: use CPU:LLVM on Linux (#37785)"

* fixup! Revert "Revert "autodetect tg backend (#37778)""

* fixup! Reapply "autodetect tg backend: use CPU:LLVM on Linux (#37785)"

* fixup! Reapply "autodetect tg backend: use CPU:LLVM on Linux (#37785)"

* fixup! Revert "Revert "autodetect tg backend (#37778)""

* fixup! Reapply "bump tg (#37700)"

* fixup! Reapply "bump tg (#37700)"
2026-04-26 01:32:55 -04:00

89 lines
3.5 KiB
Python

import glob
import json
import os
from SCons.Script import Value
from openpilot.common.file_chunker import chunk_file, get_chunk_paths
from tinygrad import Device
Import('env', 'arch')
chunker_file = File("#common/file_chunker.py")
lenv = env.Clone()
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))]
def estimate_pickle_max_size(onnx_size):
return 1.2 * onnx_size + 10 * 1024 * 1024 # 20% + 10MB is plenty
# THREADS=0 is need to prevent bug: https://github.com/tinygrad/tinygrad/issues/14689
# get fastest TG config
available = set(Device.get_available_devices())
# FIXME-SP: reset when we bump tg
if False: # 'CUDA' in available:
tg_backend = 'CUDA'
tg_flags = f'DEV={tg_backend}'
elif 'QCOM' in available:
tg_backend = 'QCOM'
tg_flags = f'DEV={tg_backend} FLOAT16=1 NOLOCALS=1 JIT_BATCH_SIZE=0'
else:
tg_backend = 'CPU' if arch == 'Darwin' else 'CPU CPU_LLVM=1' # FIXME-SP: reset when we bump tg
tg_flags = f'DEV={tg_backend} THREADS=0'
def write_tg_compiled_flags(target, source, env):
with open(str(target[0]), "w") as f:
json.dump({"DEV": tg_backend}, f)
f.write("\n")
compiled_flags_node = lenv.Command(
File("models/tg_compiled_flags.json").abspath,
tinygrad_files + [Value(tg_backend)],
write_tg_compiled_flags,
)
# tinygrad calls brew which needs a $HOME in the env
mac_brew_string = f'HOME={os.path.expanduser("~")}' if arch == 'Darwin' else ''
# Get model metadata
for model_name in ['driving_vision', 'driving_policy', 'dmonitoring_model']:
fn = File(f"models/{model_name}").abspath
script_files = [File(Dir("#selfdrive/modeld").File("get_model_metadata.py").abspath)]
cmd = f'{tg_flags} {mac_brew_string} python3 {Dir("#selfdrive/modeld").abspath}/get_model_metadata.py {fn}.onnx'
lenv.Command(fn + "_metadata.pkl", [fn + ".onnx"] + tinygrad_files + script_files + [compiled_flags_node], cmd)
image_flag = {
'larch64': 'IMAGE=2',
}.get(arch, 'IMAGE=0')
script_files = [File(Dir("#selfdrive/modeld").File("compile_warp.py").abspath)]
compile_warp_cmd = f'{tg_flags} {mac_brew_string} python3 {Dir("#selfdrive/modeld").abspath}/compile_warp.py '
from openpilot.common.transformations.camera import _ar_ox_fisheye, _os_fisheye
warp_targets = []
for cam in [_ar_ox_fisheye, _os_fisheye]:
w, h = cam.width, cam.height
warp_targets += [File(f"models/warp_{w}x{h}_tinygrad.pkl").abspath, File(f"models/dm_warp_{w}x{h}_tinygrad.pkl").abspath]
lenv.Command(warp_targets, tinygrad_files + script_files + [compiled_flags_node], compile_warp_cmd)
def tg_compile(flags, model_name):
pythonpath_string = 'PYTHONPATH="${PYTHONPATH}:' + env.Dir("#tinygrad_repo").abspath + '"'
fn = File(f"models/{model_name}").abspath
pkl = fn + "_tinygrad.pkl"
onnx_path = fn + ".onnx"
chunk_targets = get_chunk_paths(pkl, estimate_pickle_max_size(os.path.getsize(onnx_path)))
compile_node = lenv.Command(
pkl,
[onnx_path] + tinygrad_files + [chunker_file, compiled_flags_node],
f'{pythonpath_string} {flags} {image_flag} python3 {Dir("#tinygrad_repo").abspath}/examples/openpilot/compile3.py {fn}.onnx {pkl}',
)
def do_chunk(target, source, env):
chunk_file(pkl, chunk_targets)
return lenv.Command(
chunk_targets,
compile_node,
do_chunk,
)
# Compile small models
for model_name in ['driving_vision', 'driving_policy', 'dmonitoring_model']:
tg_compile(tg_flags, model_name)