openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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# opt opinionatedly transforms an ast into an optimized ast using either heuristics or beam search
from __future__ import annotations
from enum import Enum, auto
from dataclasses import dataclass
from tinygrad.uop.ops import AxisType
class OptOps(Enum):
TC = auto(); UPCAST = auto(); UNROLL = auto(); LOCAL = auto(); THREAD = auto() # noqa: E702
GROUP = auto(); GROUPTOP = auto(); NOLOCALS = auto(); PADTO = auto(); SWAP = auto() # noqa: E702
def __lt__(self, x:OptOps): return self.value < x.value
@dataclass(frozen=True, order=True)
class Opt:
op: OptOps
axis: int|None = None
arg: int|tuple|None = None
def __repr__(self): return f"Opt(op={self.op}, axis={self.axis}, arg={self.arg})"
axis_letters = {AxisType.GLOBAL: "g", AxisType.THREAD: "t", AxisType.LOCAL: "l", AxisType.WARP: "w", AxisType.LOOP: "L", AxisType.UPCAST: "u",
AxisType.GROUP_REDUCE: "G", AxisType.REDUCE: "R", AxisType.UNROLL: "r"}
axis_colors = {AxisType.GLOBAL: "blue", AxisType.THREAD: "BLUE", AxisType.LOCAL: "cyan", AxisType.WARP: "CYAN", AxisType.LOOP: "WHITE",
AxisType.UPCAST: "yellow", AxisType.GROUP_REDUCE: "green", AxisType.REDUCE: "red", AxisType.UNROLL: "magenta"}
class KernelOptError(Exception): pass
def check(cond:bool, msg:str=""):
if not cond: raise KernelOptError(msg)