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feat: make API more general

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Signed-off-by: Zihua Wu <13583761+lucifer1004@users.noreply.github.com>
This commit is contained in:
Zihua Wu
2025-04-23 02:34:23 -07:00
parent 6c982791eb
commit 46762b6903
4 changed files with 156 additions and 90 deletions
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64
deep_gemm/jit/runtime.py
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@@ -2,7 +2,7 @@ import os
import platform
import time
import subprocess
from typing import Any, Dict, Optional
from typing import Any, Callable, Dict, List, Optional, Type
import cuda.bindings.driver as cuda
from torch.utils.cpp_extension import CUDA_HOME
@@ -13,9 +13,10 @@ from .utils import run_gemm
def get_symbol(file_path: str, pattern: str) -> Optional[str]:
if CUDA_HOME is None:
raise Exception("CUDA_HOME is not set")
cuobjdump_bin = 'cuobjdump.exe' if platform.system() == 'Windows' else 'cuobjdump'
command = [os.path.join(CUDA_HOME, 'bin', cuobjdump_bin), '-symbols', file_path]
command = [os.path.join(CUDA_HOME, 'bin', cuobjdump_bin),
'-symbols', file_path]
result = subprocess.run(command, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, text=True)
assert result.returncode == 0
@@ -26,12 +27,13 @@ def get_symbol(file_path: str, pattern: str) -> Optional[str]:
class Runtime:
def __init__(self, path: str, kernel_name: str) -> None:
def __init__(self, path: str, kernel_name: str, caller: Callable[..., cuda.CUresult], args: List[str]) -> None:
self.path = path
self.lib = None
self.kernel = None
self.kernel_name = kernel_name
self.caller = caller
self.args = args
assert self.is_path_valid(self.path)
@staticmethod
@@ -62,7 +64,7 @@ class Runtime:
if self.kernel is not None:
self.lib = lib
else:
raise Exception("Failed to find fp8 gemm kernel")
raise Exception("Failed to find kernel")
end_time = time.time_ns()
elapsed_time = (end_time - start_time) / 1000
@@ -70,21 +72,9 @@ class Runtime:
print(
f'Loading JIT runtime {self.path} took {elapsed_time:.2f} us.')
return run_gemm(
return self.caller(
self.kernel,
kwargs['NUM_TMA_MULTICAST'],
kwargs['M'],
kwargs['BLOCK_M'],
kwargs['GMEM_D'],
kwargs['SCALES_B'],
kwargs['GROUPED_LAYOUT'],
kwargs['NUM_SMS'],
kwargs['SMEM_SIZE'],
kwargs['TENSOR_MAP_A'],
kwargs['TENSOR_MAP_B'],
kwargs['TENSOR_MAP_SCALES_A'],
kwargs['TENSOR_MAP_D'],
kwargs['STREAM'],
*[kwargs[arg] for arg in self.args]
)
def __del__(self) -> None:
@@ -94,22 +84,42 @@ class Runtime:
raise Exception(f"Failed to unload library {self.path}: {res}")
class Fp8GemmRuntime(Runtime):
def __init__(self, path: str, kernel_name: str) -> None:
super().__init__(path, kernel_name, run_gemm, [
'NUM_TMA_MULTICAST',
'M',
'BLOCK_M',
'GMEM_D',
'SCALES_B',
'GROUPED_LAYOUT',
'NUM_SMS',
'SMEM_SIZE',
'TENSOR_MAP_A',
'TENSOR_MAP_B',
'TENSOR_MAP_SCALES_A',
'TENSOR_MAP_D',
'STREAM',
])
class RuntimeCache:
def __init__(self) -> None:
self.cache = {}
def __getitem__(self, path: str) -> Optional[Runtime]:
def __setitem__(self, path, runtime) -> None:
self.cache[path] = runtime
def get(self, path: str, runtime_cls: Type[Runtime] = Fp8GemmRuntime) -> Optional[Runtime]:
# In Python runtime
if path in self.cache:
return self.cache[path]
# Already compiled
if os.path.exists(path) and Runtime.is_path_valid(path):
kernel_name = open(os.path.join(path, 'kernel.cubin.name'), 'r').read()
runtime = Runtime(path, kernel_name)
kernel_name = open(os.path.join(
path, 'kernel.cubin.name'), 'r').read()
runtime = runtime_cls(path, kernel_name)
self.cache[path] = runtime
return runtime
return None
def __setitem__(self, path, runtime) -> None:
self.cache[path] = runtime
return None