37 lines
1.8 KiB
Python
37 lines
1.8 KiB
Python
import time, ctypes, subprocess, platform, functools, pathlib, tempfile
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from typing import Any
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from tinygrad.ops import Compiled
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from tinygrad.helpers import diskcache
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from tinygrad.runtime.lib import RawMallocBuffer
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from tinygrad.codegen.kernel import LinearizerOptions
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from tinygrad.renderer.cstyle import uops_to_cstyle, CStyleLanguage
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args = {
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'Linux': {'cflags':'-lm -fPIC --rtlib=compiler-rt ', 'ext':'so'},
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'Darwin': {'cflags':'-lm -fPIC --rtlib=compiler-rt ', 'ext':'dylib'}
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}[platform.system()]
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CLANG_PROGRAM_HEADER = '#include <math.h>\n#define max(x,y) ((x>y)?x:y)\n#define int64 long\n#define half __fp16\n#define uchar unsigned char\n#include <stdbool.h>\n'
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@diskcache
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def compile_clang(prg:str, header:str=CLANG_PROGRAM_HEADER) -> bytes:
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# TODO: remove file write. sadly clang doesn't like the use of /dev/stdout here
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with tempfile.NamedTemporaryFile(delete=True) as output_file:
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subprocess.check_output(args=('clang -shared -O2 -Wall -Werror -x c '+args['cflags']+' - -o '+str(output_file.name)).split(), input=(header+prg).encode('utf-8'))
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return pathlib.Path(output_file.name).read_bytes()
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class ClangProgram:
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def __init__(self, name:str, prg:bytes):
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# write to disk so we can load it
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with tempfile.NamedTemporaryFile(delete=True) as cached_file_path:
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pathlib.Path(cached_file_path.name).write_bytes(prg)
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self.fxn: Any = ctypes.CDLL(str(cached_file_path.name))[name]
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def __call__(self, *args, wait=False):
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if wait: st = time.perf_counter()
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self.fxn(*[x._buf if isinstance(x, RawMallocBuffer) else x for x in args])
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if wait: return time.perf_counter()-st
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renderer = functools.partial(uops_to_cstyle, CStyleLanguage(buffer_suffix=" restrict", arg_int_prefix="const int"))
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ClangBuffer = Compiled(RawMallocBuffer, LinearizerOptions(supports_float4=False, has_local=False), renderer, compile_clang, ClangProgram)
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