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amd warp #38684

24 changes: 9 additions & 15 deletions openpilot/selfdrive/modeld/SConscript
Original file line number Diff line number Diff line change
Expand Up @@ -10,11 +10,6 @@ from openpilot.selfdrive.modeld.constants import ModelConstants
from openpilot.selfdrive.modeld.helpers import TG_INPUT_DEVICES_PATH, chestnut_present, modeld_pkl_path


CAMERA_CONFIGS = [
(_ar_ox_fisheye.width, _ar_ox_fisheye.height), # tici: 1928x1208
(_os_fisheye.width, _os_fisheye.height), # mici: 1344x760
]

Import('env', 'arch')
chunker_file = File("#openpilot/common/file_chunker.py")
lenv = env.Clone()
Expand All @@ -29,25 +24,25 @@ def estimate_pickle_max_size(onnx_size):
return 2.0 * onnx_size + 10 * 1024 * 1024

if arch == 'comma_arm64':
from openpilot.common.hardware import HARDWARE
camera = _os_fisheye if HARDWARE.get_device_type() == "mici" else _ar_ox_fisheye
camera_configs = [(camera.width, camera.height)]
tg_backend = 'QCOM'
tg_flags = f'DEV={tg_backend} IMAGE=1 FLOAT16=1 NOLOCALS=1 JIT_BATCH_SIZE=0 OPENPILOT_HACKS=1'
else:
camera_configs = [(c.width, c.height) for c in (_ar_ox_fisheye, _os_fisheye)]
tg_backend = 'CPU'
tg_flags = f'DEV=CPU' if arch == 'Darwin' else 'DEV=CPU:LLVM'

tg_devices = { # which device to put jit inputs to at runtime
'openpilot.selfdrive.modeld.modeld': {
'default': {'WARP_DEV': tg_backend, 'QUEUE_DEV': tg_backend},
'chestnut': {'WARP_DEV': tg_backend, 'QUEUE_DEV': 'AMD'}
},
'openpilot.selfdrive.modeld.dmonitoringmodeld': {
'default': {'DEV': tg_backend}
},
}

CHESTNUT = chestnut_present()
if CHESTNUT:
chestnut_tg_flags = f'DEBUG=1 DEV=USB+AMD:LLVM WARP_DEV={tg_backend} FLOAT16=1 JIT_BATCH_SIZE=0 GMMU=0 TC_OPT=2'
chestnut_tg_flags = 'DEBUG=1 DEV=USB+AMD:LLVM FRAME_DEV=CPU FLOAT16=1 JIT_BATCH_SIZE=0 GMMU=0 TC_OPT=2 TC_OCCUPANCY_OPT=1'
# the USB+AMD GPU takes an exclusive flock; serialize all targets that touch it
chestnut_lock = File("models/.chestnut.lock").abspath

Expand Down Expand Up @@ -77,10 +72,9 @@ frame_skip = ModelConstants.MODEL_RUN_FREQ // ModelConstants.MODEL_CONTEXT_FREQ

for chestnut in [False, True] if CHESTNUT else [False]:
target_pkl_path = File(modeld_pkl_path(chestnut)).abspath
# BIG_INTO_SMALL=1 builds the default target from the big model, e.g. to test it without a chestnut
file_prefix, cmd_flags = ('big_', chestnut_tg_flags) if chestnut else ('big_' if os.getenv('BIG_INTO_SMALL') else '', tg_flags)
file_prefix, cmd_flags = ('big_', chestnut_tg_flags) if chestnut else ('', tg_flags)
driving_onnx_deps = get_existing_chunks(File(f"models/{file_prefix}driving_supercombo.onnx").abspath)
camera_res_args = ' '.join(f'{cw}x{ch}' for cw, ch in CAMERA_CONFIGS)
camera_res_args = ' '.join(f'{cw}x{ch}' for cw, ch in camera_configs)
# CPU 7 is isolated with isolcpus on AGNOS, so explicitly pin the compiler to it.
taskset = 'taskset -c 7 ' if arch == 'comma_arm64' else ''
cmd = (f'{cmd_flags} {mac_brew_string} {taskset}python3 {modeld_dir}/compile_modeld.py '
Expand Down Expand Up @@ -108,7 +102,7 @@ for chestnut in [False, True] if CHESTNUT else [False]:
actions = Action(do_compile, " [CHESTNUT] $TARGET") if chestnut else [cmd, Action(do_chunk, " [CHUNK] $TARGET")]
node = lenv.Command(
chunk_targets,
tinygrad_files + compile_modeld_script + driving_onnx_deps + [Value(chunk_targets), chunker_file],
tinygrad_files + compile_modeld_script + driving_onnx_deps + [Value(camera_res_args), Value(chunk_targets), chunker_file],
actions,
)
if chestnut:
Expand All @@ -122,7 +116,7 @@ lenv.Command(fn + "_metadata.pkl", [fn + ".onnx"] + tinygrad_files + script_file

dm_w, dm_h = DM_INPUT_SIZE
compile_dm_warp_script = [File(f"{modeld_dir}/compile_dm_warp.py")]
for cam_w, cam_h in CAMERA_CONFIGS:
for cam_w, cam_h in camera_configs:
dm_pkl_path = File(f"models/dm_warp_{cam_w}x{cam_h}_tinygrad.pkl").abspath
cmd = (f'{tg_flags} {mac_brew_string} python3 {modeld_dir}/compile_dm_warp.py '
f'--camera-resolution {cam_w}x{cam_h} --warp-to {dm_w}x{dm_h} '
Expand Down
145 changes: 78 additions & 67 deletions openpilot/selfdrive/modeld/compile_modeld.py
Original file line number Diff line number Diff line change
Expand Up @@ -37,17 +37,12 @@ def fetch_fw(path, name, sha256):


NV12Frame = namedtuple("NV12Frame", ['width', 'height', 'stride', 'y_height', 'uv_height', 'size'])
WARP_INPUTS = ['tfm', 'big_tfm']
POLICY_INPUTS = ['img_q', 'big_img_q', 'feat_q', 'desire_q', 'packed_npy_inputs']
MODELD_INPUTS = ['img_q', 'big_img_q', 'feat_q', 'desire_q', 'packed_npy_inputs']

UV_SCALE_MATRIX = np.array([[0.5, 0, 0], [0, 0.5, 0], [0, 0, 1]], dtype=np.float32)
UV_SCALE_MATRIX_INV = np.linalg.inv(UV_SCALE_MATRIX)

WARP_DEV = os.getenv('WARP_DEV')


def make_random_images(keys, shape, device=None):
return {k: Tensor.randint(shape, low=0, high=256, dtype='uint8', device=device).realize() for k in keys}
def nv12_copy_size(stride: int, y_height: int, uv_height: int) -> int:
# Retain the padded Y and UV plane storage, but skip the trailing kernel/guard allocation.
return stride * (y_height + uv_height)


def warp_perspective_tinygrad(src_flat, M_inv, dst_shape, src_shape, stride_pad, border_fill_val=None):
Expand Down Expand Up @@ -99,7 +94,7 @@ def make_frame_prepare(nv12: NV12Frame, model_w, model_h):

def frame_prepare_tinygrad(input_frame, M_inv):
# UV_SCALE @ M_inv @ UV_SCALE_INV simplifies to elementwise scaling
M_inv_uv = M_inv * Tensor([[1.0, 1.0, 0.5], [1.0, 1.0, 0.5], [2.0, 2.0, 1.0]], device=WARP_DEV)
M_inv_uv = M_inv * Tensor([[1.0, 1.0, 0.5], [1.0, 1.0, 0.5], [2.0, 2.0, 1.0]], device=Device.DEFAULT)
# deinterleave NV12 UV plane (UVUV... -> separate U, V)
uv = input_frame[uv_offset:uv_offset + uv_height * stride].reshape(uv_height, stride)
with Context(SPLIT_REDUCEOP=0):
Expand All @@ -118,23 +113,6 @@ def frame_prepare_tinygrad(input_frame, M_inv):
return frame_prepare_tinygrad


def make_warp_input_queues(vision_input_shapes, frame_skip, device):
img = vision_input_shapes['img'] # (1, 12, 128, 256)
n_frames = img[1] // 6
img_buf_shape = (frame_skip * (n_frames - 1) + 1, 6, img[2], img[3])

npy = {
'tfm': np.zeros((3, 3), dtype=np.float32),
'big_tfm': np.zeros((3, 3), dtype=np.float32),
}
input_queues = {
'img_q': Tensor(np.zeros(img_buf_shape, dtype=np.uint8), device=device).contiguous().realize(),
'big_img_q': Tensor(np.zeros(img_buf_shape, dtype=np.uint8), device=device).contiguous().realize(),
**{k: Tensor(v, device='NPY').realize() for k, v in npy.items()},
}
return input_queues, npy


def get_policy_npy_shapes(input_shapes):
dp = input_shapes['desire_pulse'] # (1, 25, 8)
tc = input_shapes['traffic_convention'] # (1, 2)
Expand All @@ -146,23 +124,32 @@ def get_policy_npy_shapes(input_shapes):
return shapes, [math.prod(s) for s in shapes.values()]


def make_input_queues(input_shapes, frame_skip, device):
input_queues, npy = make_warp_input_queues(input_shapes, frame_skip, device)

def make_input_queues(input_shapes, frame_skip, device, frame_copy_size):
img = input_shapes['img'] # (1, 12, 128, 256)
fb = input_shapes['features_buffer'] # (1, T-1, ...), past features only; the model appends the current frame's feature
feat_dim = math.prod(fb[2:])
dp = input_shapes['desire_pulse'] # (1, 25, 8)
n_frames = img[1] // 6
img_buf_shape = (frame_skip * (n_frames - 1) + 1, 6, img[2], img[3])

shapes, sizes = get_policy_npy_shapes(input_shapes)
packed_npy_inputs = np.zeros(sum(sizes), dtype=np.float32)
policy_shapes, _ = get_policy_npy_shapes(input_shapes)
shapes = {'tfm': (3, 3), 'big_tfm': (3, 3)} | policy_shapes
sizes = [math.prod(s) for s in shapes.values()]
packed_npy_size = sum(sizes) * np.dtype(np.float32).itemsize
packed_input = np.zeros(packed_npy_size + 2 * frame_copy_size, dtype=np.uint8)
packed_npy_inputs = packed_input[:packed_npy_size].view(np.float32)
frames = packed_input[packed_npy_size:]
frame_views = {'img': frames[:frame_copy_size], 'big_img': frames[frame_copy_size:]}
# views into the packed inputs, to be refilled at runtime
npy.update({k: v.reshape(s) for (k, s), v in zip(shapes.items(), np.split(packed_npy_inputs, np.cumsum(sizes[:-1])), strict=True)})
input_queues.update({
npy = {k: v.reshape(s) for (k, s), v in zip(shapes.items(), np.split(packed_npy_inputs, np.cumsum(sizes[:-1])), strict=True)}
input_queues = {
'img_q': Tensor(np.zeros(img_buf_shape, dtype=np.uint8), device=device).contiguous().realize(),
'big_img_q': Tensor(np.zeros(img_buf_shape, dtype=np.uint8), device=device).contiguous().realize(),
'feat_q': Tensor(np.zeros((frame_skip * fb[1], fb[0], feat_dim), dtype=np.float32), device=device).contiguous().realize(),
'desire_q': Tensor(np.zeros((frame_skip * dp[1], dp[0], dp[2]), dtype=np.float32), device=device).contiguous().realize(),
'packed_npy_inputs': Tensor(packed_npy_inputs, device='NPY').realize(),
})
return input_queues, npy
'packed_npy_inputs': Tensor(packed_input, device='NPY').realize(),
}
return input_queues, npy, frame_views


def shift_and_sample(buf, new_val, sample_fn):
Expand All @@ -178,13 +165,15 @@ def sample_desire(buf, frame_skip):
return buf.reshape(-1, frame_skip, *buf.shape[1:]).max(1).flatten(0, 1).unsqueeze(0)


def make_warp(nv12, model_w, model_h, frame_skip):
def make_warp(nv12, model_w, model_h):
frame_prepare = make_frame_prepare(nv12, model_w, model_h)

def warp(tfm, big_tfm, frame, big_frame):
tfm = tfm.to(WARP_DEV)
big_tfm = big_tfm.to(WARP_DEV)
Tensor.realize(tfm, big_tfm)
tfm = tfm.to(Device.DEFAULT)
big_tfm = big_tfm.to(Device.DEFAULT)
frame = frame.to(Device.DEFAULT)
big_frame = big_frame.to(Device.DEFAULT)
Tensor.realize(tfm, big_tfm, frame, big_frame)

warped_frame = frame_prepare(frame, tfm).unsqueeze(0)
warped_big_frame = frame_prepare(big_frame, big_tfm).unsqueeze(0)
Expand All @@ -197,10 +186,10 @@ def make_run_policy(model_runner, model_metadata, frame_skip):
sample_desire_fn = partial(sample_desire, frame_skip=frame_skip)
sample_skip_fn = partial(sample_skip, frame_skip=frame_skip)
npy_shapes, npy_sizes = get_policy_npy_shapes(model_metadata['input_shapes'])
model_input_dtypes = {name: spec.dtype for name, spec in model_runner.graph_inputs.items()}

def run_policy(warped, img_q, big_img_q, feat_q, desire_q, packed_npy_inputs):
packed_npy_inputs = packed_npy_inputs.to(Device.DEFAULT)
warped = warped.to(Device.DEFAULT)
Tensor.realize(packed_npy_inputs, warped)

img = shift_and_sample(img_q, warped[0:1], sample_skip_fn)
Expand All @@ -218,28 +207,45 @@ def run_policy(warped, img_q, big_img_q, feat_q, desire_q, packed_npy_inputs):
'traffic_convention': traffic_convention,
'action_t': action_t,
}
inputs = {name: value.cast(model_input_dtypes[name]) for name, value in inputs.items()}
out = next(iter(model_runner(inputs).values())).cast('float32')
return out,
return run_policy


def compile_jit(jit, make_random_inputs, input_keys, make_queues):
def make_run_model(warp, run_policy, model_metadata, frame_copy_size):
_, policy_sizes = get_policy_npy_shapes(model_metadata['input_shapes'])
packed_npy_size = (18 + sum(policy_sizes)) * np.dtype(np.float32).itemsize

def run_model(img_q, big_img_q, feat_q, desire_q, packed_npy_inputs):
packed_input = packed_npy_inputs.to(Device.DEFAULT)
Tensor.realize(packed_input)
packed_npy_inputs = packed_input[:packed_npy_size].bitcast('float32')
frame = packed_input[packed_npy_size:packed_npy_size + frame_copy_size]
big_frame = packed_input[packed_npy_size + frame_copy_size:]
tfm, big_tfm, policy_inputs = packed_npy_inputs.split([9, 9, sum(policy_sizes)])
warped = warp(tfm.reshape(3, 3), big_tfm.reshape(3, 3), frame, big_frame)
return run_policy(warped, img_q, big_img_q, feat_q, desire_q, policy_inputs)
return run_model


def compile_jit(jit, input_keys, make_queues, benchmark_runs):
if benchmark_runs < 1:
raise ValueError("benchmark_runs must be at least 1")

SEED = 42
def random_inputs_run(fn, seed, test_val=None, test_buffers=None, expect_match=True):
input_queues, npy = make_queues(Device.DEFAULT)
def random_inputs_run(fn, seed, n_runs, test_val=None, test_buffers=None, expect_match=True):
input_queues, npy, frame_views = make_queues(Device.DEFAULT)
rng = np.random.default_rng(seed)
Tensor.manual_seed(seed)

testing = test_val is not None or test_buffers is not None
n_runs = 1 if testing else 3

for i in range(n_runs):
for v in npy.values():
v[:] = rng.standard_normal(v.shape).astype(v.dtype)
for v in frame_views.values():
v[:] = rng.integers(0, 256, size=v.shape, dtype=np.uint8)
Device.default.synchronize()
random_inputs = make_random_inputs()
st = time.perf_counter()
outs = fn(**{k: input_queues[k] for k in input_keys}, **random_inputs)
outs = fn(**{k: input_queues[k] for k in input_keys})
mt = time.perf_counter()
Device.default.synchronize()
et = time.perf_counter()
Expand All @@ -258,14 +264,15 @@ def random_inputs_run(fn, seed, test_val=None, test_buffers=None, expect_match=T
return val, buffers

print('capture + replay')
test_val, test_buffers = random_inputs_run(jit, SEED)
print('pickle round trip')
test_val, test_buffers = random_inputs_run(jit, SEED, 3)
print(f'pickle round trip ({benchmark_runs} runs per seed)')
with tempfile.TemporaryFile(dir=".") as f:
dump_oob(jit, f)
f.seek(0)
jit = load_oob(f)
random_inputs_run(jit, SEED, test_val, test_buffers, expect_match=True)
random_inputs_run(jit, SEED+1, test_val, test_buffers, expect_match=False)
loaded_jit = load_oob(f)
random_inputs_run(loaded_jit, SEED, benchmark_runs, test_val, test_buffers, expect_match=True)
random_inputs_run(loaded_jit, SEED+1, benchmark_runs, test_val, test_buffers, expect_match=False)
# Keep the original so per-resolution JITs share model weight buffers in the final pickle.
return jit


Expand Down Expand Up @@ -294,27 +301,31 @@ def read_file_chunked_to_disk(path):
p.add_argument('--onnx', required=True)
p.add_argument('--output', required=True)
p.add_argument('--frame-skip', type=int, required=True)
p.add_argument('--benchmark-runs', type=int, default=1,
help='timed loaded-JIT runs for each correctness seed')
args = p.parse_args()

model_path = read_file_chunked_to_disk(args.onnx)
model_w, model_h = args.model_size

model_runner = OnnxRunner(model_path)
out = {'metadata': make_metadata_dict(model_path)}

run_policy_jit = TinyJit(make_run_policy(model_runner, out['metadata'], args.frame_skip), prune=True)
out = {
'metadata': make_metadata_dict(model_path),
'input_devices': {'model': Device.DEFAULT},
'run_model': {},
}

make_policy_queues = partial(make_input_queues, out['metadata']['input_shapes'], args.frame_skip)
make_random_model_inputs = partial(make_random_images, keys=['warped'], shape=(2, 6, *out['metadata']['input_shapes']['img'][2:]), device=WARP_DEV)
out['run_policy'] = compile_jit(run_policy_jit, make_random_model_inputs, POLICY_INPUTS,
make_policy_queues)
run_policy = make_run_policy(model_runner, out['metadata'], args.frame_skip)

for cam_w, cam_h in args.camera_resolutions:
nv12 = NV12Frame(cam_w, cam_h, *get_nv12_info(cam_w, cam_h))
make_random_warp_inputs = partial(make_random_images, keys=['frame', 'big_frame'], shape=nv12.size, device=WARP_DEV)
warp = TinyJit(make_warp(nv12, model_w, model_h, args.frame_skip), prune=True)
make_warp_queues = partial(make_warp_input_queues, out['metadata']['input_shapes'], args.frame_skip)
out[(cam_w,cam_h)] = compile_jit(warp, make_random_warp_inputs, WARP_INPUTS, make_warp_queues)
frame_copy_size = nv12_copy_size(nv12.stride, nv12.y_height, nv12.uv_height)
make_model_queues = partial(make_input_queues, out['metadata']['input_shapes'], args.frame_skip,
frame_copy_size=frame_copy_size)
warp = make_warp(nv12, model_w, model_h)
run_model_jit = TinyJit(make_run_model(warp, run_policy, out['metadata'], frame_copy_size), prune=True)
out['run_model'][(cam_w,cam_h)] = compile_jit(run_model_jit, MODELD_INPUTS, make_model_queues,
args.benchmark_runs)

with open(args.output, "wb") as f:
dump_oob(out, f)
Expand Down
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