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IQ.Pilot/iqpilot/selfdrive/iqmodeld/models/runners/tinygrad/combined_split_runner.py
2026-09-03 18:23:24 -05:00

246 lines
11 KiB
Python

"""
Copyright © IQ.Lvbs, apart of Project Teal Lvbs, All Rights Reserved, licensed under https://konn3kt.com/tos/
"""
from __future__ import annotations
import os
import pickle
from pathlib import Path
from typing import Any
import numpy as np
from iqpilot.selfdrive.iqmodeld.models.combined_artifact import resolve_combined_split_artifact
from iqpilot.selfdrive.iqmodeld.models.helpers import get_active_bundle
from iqpilot.selfdrive.iqmodeld.models.runners.model_runner import NumpyDict, ShapeDict, SliceDict
from iqpilot.selfdrive.iqmodeld.models.runners.model_runner import ModelRunner
from iqpilot.selfdrive.iqmodeld.models.split_model_constants import SplitModelConstants
from iqpilot.selfdrive.iqmodeld.parser import PhaseParser
def _tinygrad_imports():
from tinygrad.device import Device
from tinygrad.tensor import Tensor
return Tensor, Device
def _phase_roles(meta_by_role: dict[str, dict]) -> list[str]:
return [name for name in meta_by_role if name != "vision"]
def _phase_desire_key(policy_shapes: dict[str, tuple[int, ...]]) -> str:
for key in policy_shapes:
if key.startswith("desire"):
return key
raise KeyError("No desire-like key found in policy inputs")
def _phase_image_keys(vision_shapes: dict[str, tuple[int, ...]]) -> tuple[str, str]:
names = sorted(name for name in vision_shapes if "img" in name)
road_key = next((name for name in names if "big" not in name), None)
wide_key = next((name for name in names if "big" in name), None)
if road_key is None or wide_key is None:
raise ValueError(f"Unable to resolve road/wide image keys from {list(vision_shapes)}")
return road_key, wide_key
def _base_policy_keys(policy_shapes: dict[str, tuple[int, ...]]) -> set[str]:
desired_key = _phase_desire_key(policy_shapes)
return {desired_key, "features_buffer", "traffic_convention", "action_t"}
def _slice_map(raw_blob: np.ndarray, slices: dict[str, slice]) -> NumpyDict:
return {name: raw_blob[np.newaxis, section] for name, section in slices.items() if name != "pad"}
class TinygradCombinedSplitRunner(ModelRunner):
uses_opencl_warp: bool = False
def __init__(self):
super().__init__()
self._constants = SplitModelConstants
self._parser = PhaseParser()
self._bundle = get_active_bundle()
self._artifact_path = resolve_combined_split_artifact(self._bundle)
if self._artifact_path is None:
raise FileNotFoundError("No IQ combined split artifact is available for the active bundle")
with open(self._artifact_path, "rb") as artifact:
runtime_package: dict[Any, Any] = pickle.load(artifact)
self._meta_by_role = runtime_package.get("meta_by_role", runtime_package.get("metadata", {}))
self._policy_roles = runtime_package.get("roles", _phase_roles(self._meta_by_role))
self._camera_programs = {
camera_key: spec
for camera_key, spec in runtime_package.items()
if isinstance(camera_key, tuple) and isinstance(spec, dict)
}
self._execute_bundle = runtime_package.get("execute_bundle", runtime_package.get("run_policy"))
self._frame_stride = int(runtime_package.get("frame_stride", runtime_package.get("frame_skip", 1)))
if "vision" not in self._meta_by_role:
raise ValueError("Combined split artifact is missing vision metadata")
if not self._policy_roles:
raise ValueError("Combined split artifact is missing policy roles")
if self._execute_bundle is None:
raise ValueError("Combined split artifact is missing execute_bundle")
self._vision_meta = self._meta_by_role["vision"]
self._primary_policy_meta = self._meta_by_role[self._policy_roles[0]]
self._desired_key = _phase_desire_key(self._primary_policy_meta["input_shapes"])
self._road_key, self._wide_key = _phase_image_keys(self._vision_meta["input_shapes"])
self._extra_policy_keys = [
key for key in self._primary_policy_meta["input_shapes"]
if key not in _base_policy_keys(self._primary_policy_meta["input_shapes"])
]
self._queue_tensors: dict[str, Any] | None = None
self._numpy_state: dict[str, np.ndarray] | None = None
self._camera_shape: tuple[int, int] | None = None
self._blob_cache: dict[tuple[str, int], Any] = {}
self._last_desire = np.zeros(self._primary_policy_meta["input_shapes"][self._desired_key][2], dtype=np.float32)
@property
def vision_input_names(self) -> list[str]:
return [self._road_key, self._wide_key]
@property
def input_shapes(self) -> ShapeDict:
merged: ShapeDict = dict(self._vision_meta["input_shapes"])
for role in self._policy_roles:
merged.update(self._meta_by_role[role]["input_shapes"])
return merged
@property
def output_slices(self) -> SliceDict:
merged: SliceDict = dict(self._vision_meta["output_slices"])
for role in self._policy_roles:
merged.update(self._meta_by_role[role]["output_slices"])
return merged
def prepare_inputs(self, imgs_cl, numpy_inputs, frames):
raise RuntimeError("Combined split runner manages its own warp + queue state; use run_fused()")
def _frame_blob(self, stream_name: str, buf):
Tensor, Device = _tinygrad_imports()
raw_frame = np.frombuffer(buf.data, dtype=np.uint8)
cache_key = (stream_name, raw_frame.ctypes.data)
tensor = self._blob_cache.get(cache_key)
if tensor is None:
tensor = Tensor.from_blob(raw_frame.ctypes.data, (raw_frame.size,), dtype="uint8", device=Device.DEFAULT)
self._blob_cache[cache_key] = tensor
return tensor
def _allocate_runtime_state(self, camera_width: int, camera_height: int) -> None:
if self._queue_tensors is not None and self._camera_shape == (camera_width, camera_height):
return
if (camera_width, camera_height) not in self._camera_programs:
raise RuntimeError(f"No combined split kernels available for {camera_width}x{camera_height}")
Tensor, Device = _tinygrad_imports()
vision_shapes = self._vision_meta["input_shapes"]
policy_shapes = self._primary_policy_meta["input_shapes"]
image_shape = vision_shapes[self._road_key]
frame_history = image_shape[1] // 6
queue_depth = self._frame_stride * (frame_history - 1) + 1
frame_queue_shape = (queue_depth, 6, image_shape[2], image_shape[3])
feature_shape = policy_shapes["features_buffer"]
desired_shape = policy_shapes[self._desired_key]
traffic_shape = policy_shapes["traffic_convention"]
action_shape = policy_shapes.get("action_t", traffic_shape)
numpy_state = {
"tfm": np.zeros((3, 3), dtype=np.float32),
"big_tfm": np.zeros((3, 3), dtype=np.float32),
"desire": np.zeros(desired_shape[2], dtype=np.float32),
"traffic_convention": np.zeros(traffic_shape, dtype=np.float32),
"action_t": np.zeros(action_shape, dtype=np.float32),
}
for key in self._extra_policy_keys:
numpy_state[key] = np.zeros(policy_shapes[key], dtype=np.float32)
queue_tensors = {
"img_q": Tensor(np.zeros(frame_queue_shape, dtype=np.uint8), device=Device.DEFAULT).contiguous().realize(),
"big_img_q": Tensor(np.zeros(frame_queue_shape, dtype=np.uint8), device=Device.DEFAULT).contiguous().realize(),
"feat_q": Tensor(
np.zeros((self._frame_stride * (feature_shape[1] - 1) + 1, feature_shape[0], feature_shape[2]), dtype=np.float32),
device=Device.DEFAULT,
).contiguous().realize(),
"desire_q": Tensor(
np.zeros((self._frame_stride * desired_shape[1], desired_shape[0], desired_shape[2]), dtype=np.float32),
device=Device.DEFAULT,
).contiguous().realize(),
**{name: Tensor(value, device="NPY").realize() for name, value in numpy_state.items()},
}
self._queue_tensors = queue_tensors
self._numpy_state = numpy_state
self._camera_shape = (camera_width, camera_height)
def _policy_inputs(self) -> dict[str, Any]:
assert self._queue_tensors is not None
tensor_names = ["feat_q", "desire_q", "desire", "traffic_convention", "action_t", *self._extra_policy_keys]
return {name: self._queue_tensors[name] for name in tensor_names if name in self._queue_tensors}
def _merge_policy_outputs(self, raw_outputs: tuple[Any, ...]) -> NumpyDict:
outputs = self._parser.parse_vision_outputs(
_slice_map(raw_outputs[0].numpy().flatten(), self._vision_meta["output_slices"])
)
has_on_policy = any(role == "on_policy" for role in self._policy_roles)
for role_name, tensor_out in zip(self._policy_roles, raw_outputs[1:], strict=True):
parsed = self._parser.parse_policy_outputs(
_slice_map(tensor_out.numpy().flatten(), self._meta_by_role[role_name]["output_slices"])
)
if role_name == "off_policy" and has_on_policy:
parsed.pop("plan", None)
outputs.update(parsed)
if "planplus" in outputs and "plan" in outputs:
outputs["plan"] = outputs["plan"] + outputs["planplus"]
return outputs
def run_fused(self, bufs: dict, transforms: dict[str, np.ndarray], numpy_inputs: NumpyDict) -> NumpyDict:
main_buf = bufs[self._road_key]
self._allocate_runtime_state(main_buf.width, main_buf.height)
assert self._queue_tensors is not None and self._numpy_state is not None and self._camera_shape is not None
self._numpy_state["tfm"][:] = transforms[self._road_key]
self._numpy_state["big_tfm"][:] = transforms[self._wide_key]
current_desire = numpy_inputs[self._desired_key].copy()
current_desire[0] = 0
self._numpy_state["desire"][:] = np.where(current_desire - self._last_desire > 0.99, current_desire, 0)
self._last_desire[:] = current_desire
if "traffic_convention" in numpy_inputs:
self._numpy_state["traffic_convention"][:] = numpy_inputs["traffic_convention"]
if "action_t" in numpy_inputs:
self._numpy_state["action_t"][:] = numpy_inputs["action_t"]
for key in self._extra_policy_keys:
if key in numpy_inputs:
self._numpy_state[key][:] = numpy_inputs[key]
stage_inputs = self._camera_programs[self._camera_shape].get("stage_inputs", self._camera_programs[self._camera_shape].get("warp_enqueue"))
if stage_inputs is None:
raise RuntimeError("Combined split artifact camera entry is missing stage_inputs")
staged_main, staged_wide = stage_inputs(
img_q=self._queue_tensors["img_q"],
big_img_q=self._queue_tensors["big_img_q"],
tfm=self._queue_tensors["tfm"],
big_tfm=self._queue_tensors["big_tfm"],
frame=self._frame_blob(self._road_key, bufs[self._road_key]),
big_frame=self._frame_blob(self._wide_key, bufs[self._wide_key]),
)
raw_outputs = self._execute_bundle(img=staged_main, big_img=staged_wide, **self._policy_inputs())
if not isinstance(raw_outputs, tuple):
raw_outputs = (raw_outputs,)
return self._merge_policy_outputs(raw_outputs)
def _run_model(self) -> NumpyDict:
raise RuntimeError("Combined split runner executes through run_fused()")