Files

61 rinda
2.5 KiB
Python

import sys
import re
import glob
from pathlib import Path
from unittest.mock import MagicMock
def patch_vllm():
print("Applying Strix Halo patches to vLLM...")
# Patch 1: vllm/platforms/__init__.py
p_init = Path('vllm/platforms/__init__.py')
if p_init.exists():
txt = p_init.read_text()
txt = txt.replace('import amdsmi', '# import amdsmi')
txt = re.sub(r'is_rocm = .*', 'is_rocm = True', txt)
txt = re.sub(r'if len\(amdsmi\.amdsmi_get_processor_handles\(\)\) > 0:', 'if True:', txt)
txt = txt.replace('amdsmi.amdsmi_init()', 'pass')
txt = txt.replace('amdsmi.amdsmi_shut_down()', 'pass')
p_init.write_text(txt)
print(" -> Patched vllm/platforms/__init__.py")
# Patch 2: vllm/platforms/rocm.py
p_rocm = Path('vllm/platforms/rocm.py')
if p_rocm.exists():
txt = p_rocm.read_text()
header = 'import sys\nfrom unittest.mock import MagicMock\nsys.modules["amdsmi"] = MagicMock()\n'
txt = header + txt
txt = txt.replace('def _get_gcn_arch() -> str:', 'def _get_gcn_arch() -> str:\n return "gfx1151"\n\ndef _old_get_gcn_arch() -> str:')
txt = re.sub(r'device_type = .*', 'device_type = "rocm"', txt)
txt = re.sub(r'device_name = .*', 'device_name = "gfx1151"', txt)
txt += '\n def get_device_name(self, device_id: int = 0) -> str:\n return "AMD-gfx1151"\n'
p_rocm.write_text(txt)
print(" -> Patched vllm/platforms/rocm.py")
# Patch 3: CUDA/HIP Macro injections for PyTorch Nightly Compatibility
macro_def = """
#ifndef C10_HIP_CHECK
#define C10_HIP_CHECK(error) do { if (error != hipSuccess) { abort(); } } while(0)
#endif
#ifndef C10_CUDA_CHECK
#define C10_CUDA_CHECK(error) do { if (error != cudaSuccess) { abort(); } } while(0)
#endif
"""
# Apply to all .cu and .hip files in csrc
csrc_files = glob.glob('csrc/**/*.cu', recursive=True) + glob.glob('csrc/**/*.hip', recursive=True)
patched_csrc_count = 0
for f in csrc_files:
p_f = Path(f)
if p_f.exists():
txt = p_f.read_text()
# Only prepend if not already patched to avoid duplicate macros
if "C10_CUDA_CHECK" not in txt:
p_f.write_text(macro_def + '\n' + txt)
patched_csrc_count += 1
print(f" -> Patched {patched_csrc_count} C/C++ source files with missing macros.")
print("Successfully patched vLLM for Strix Halo.")
if __name__ == "__main__":
patch_vllm()