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EXP+LOG -> EXP2+LOG2 (#954)

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* EXP+LOG -> EXP2+LOG2

* update docs
This commit is contained in:
George Hotz
2023-06-08 10:57:31 -07:00
committed by GitHub
parent 666d151f8a
commit df40a9c238
8 changed files with 18 additions and 20 deletions
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8
tinygrad/codegen/cstyle.py
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@@ -2,7 +2,7 @@ from typing import Final, Dict, Callable, ClassVar, List, Optional, NamedTuple,
import math, collections
from tinygrad.codegen.linearizer import Linearizer, UOps, UOp, LocalBuffer, LocalTypes
from tinygrad.ops import ASTRunner, Op, UnaryOps, BinaryOps, FusedOps
from tinygrad.helpers import getenv, partition, ImageDType, DEBUG, dtypes, colored, prod
from tinygrad.helpers import partition, ImageDType, DEBUG, dtypes, colored, prod
from tinygrad.runtime.lib import RawConst
from tinygrad.shape.symbolic import DivNode, AndNode, render_python, NumNode, Variable, Node, SumNode, MulNode
from tinygrad.lazy import LazyBuffer
@@ -12,8 +12,6 @@ render_cl = render_python.copy()
render_cl[DivNode] = lambda self,ops,ctx: f"({self.a.render(ops, ctx)}/{self.b})"
render_cl[AndNode] = lambda self,ops,ctx: f"({'&&'.join(sorted([x.render(ops,ctx) for x in self.nodes]))})"
NATIVE_EXPLOG = getenv("NATIVE_EXPLOG", 0) # this is needed as a switch for the tests to pass
class CStyleLanguage(NamedTuple):
kernel_prefix: str = ""
buffer_prefix: str = ""
@@ -48,8 +46,8 @@ def to_image_idx(base_shape:Tuple[int, ...], idxy:Node, valid:Node, validhacks=F
return idx, idy
code_for_op: Final[Dict[Op, Callable]] = {
UnaryOps.EXP: lambda x: f"native_exp({x})" if NATIVE_EXPLOG else f"exp({x})",
UnaryOps.LOG: lambda x: f"native_log({x})" if NATIVE_EXPLOG else f"log({x})",
UnaryOps.EXP2: lambda x: f"exp2({x})",
UnaryOps.LOG2: lambda x: f"log2({x})",
UnaryOps.SIN: lambda x: f"sin({x})",
BinaryOps.ADD: lambda a,b: f"({a}+{b})", BinaryOps.SUB: lambda a,b: f"({a}-{b})",
BinaryOps.MUL: lambda a,b: f"({a}*{b})", BinaryOps.DIV: lambda a,b: f"({a}/{b})",