57635b4ea6
torch.utils.cpp_extension.load()内部先编译再import。 编译成功产出.so，但import时ixformer::infer::*符号未加载导致ImportError。 这是预期行为——运行时ix_unified.py会先RTLD_GLOBAL预加载ixformer再import bridge。 修改：捕获ImportError，检查.so文件存在即认为编译成功。
120 lines
4.0 KiB
Bash
Executable File
120 lines
4.0 KiB
Bash
Executable File
#!/usr/bin/env bash
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# build_unified_bridge.sh — Compile ix_unified_bridge.so
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# Strategy: try torch.utils.cpp_extension.load() first (proven on BI-V100),
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# fall back to manual clang++ if torch extension not available.
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set -eo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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SRC="$SCRIPT_DIR/csrc/ilu/ix_unified_bridge.cpp"
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BUILD_DIR="$SCRIPT_DIR/build"
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mkdir -p "$BUILD_DIR"
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if [ ! -f "$SRC" ]; then
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echo "[build_bridge] ERROR: $SRC not found"
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exit 1
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fi
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PYTHON=${PYTHON:-python3}
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# Method 1: torch.utils.cpp_extension.load() — same method that works for moe_topk, _moe_C, gdn
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echo "[build_bridge] Trying torch.utils.cpp_extension.load()..."
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$PYTHON << PYEOF
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import os, sys, glob
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src = "$SRC"
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build_dir = "$BUILD_DIR"
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try:
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from torch.utils.cpp_extension import load
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extra_include = ["$SCRIPT_DIR/csrc/ilu"]
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extra_ldflags = []
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for p in ["/usr/local/corex/lib64/python3/dist-packages/ixformer",
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"/usr/local/corex/lib64"]:
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if os.path.isdir(p):
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sos = glob.glob(os.path.join(p, "*.so"))
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if sos:
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extra_ldflags.append(f"-L{p}")
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extra_ldflags.append(f"-Wl,-rpath,{p}")
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# Use load() for compilation only. It may fail on import because
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# ixformer::infer symbols need RTLD_GLOBAL preload at runtime.
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# That's OK — we just need the .so file to exist.
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try:
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ext = load(
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name="ix_unified_bridge",
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sources=[src],
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extra_include_paths=extra_include,
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extra_ldflags=extra_ldflags,
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verbose=True,
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build_directory=build_dir,
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)
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funcs = [x for x in dir(ext) if not x.startswith('_')]
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print(f"[build_bridge] SUCCESS via cpp_extension: {len(funcs)} functions: {funcs}")
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sys.exit(0)
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except ImportError as ie:
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# Compilation succeeded but import failed (expected: ixformer symbols unresolved)
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# Check if .so was actually produced
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built = glob.glob(os.path.join(build_dir, "ix_unified_bridge*.so"))
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if built:
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print(f"[build_bridge] COMPILED OK: {built[0]}")
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print(f"[build_bridge] Import deferred to runtime (ixformer preload needed): {ie}")
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sys.exit(0)
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else:
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print(f"[build_bridge] No .so produced: {ie}")
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sys.exit(1)
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except Exception as e:
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# Check if .so exists from compilation before the exception
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built = glob.glob(os.path.join(build_dir, "ix_unified_bridge*.so"))
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if built:
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print(f"[build_bridge] COMPILED OK (exception during import): {built[0]}")
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sys.exit(0)
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print(f"[build_bridge] cpp_extension failed: {e}")
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sys.exit(1)
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PYEOF
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if [ $? -eq 0 ]; then
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echo "[build_bridge] torch.utils.cpp_extension succeeded"
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ls -la "$BUILD_DIR"/ix_unified_bridge*.so 2>/dev/null
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exit 0
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fi
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# Method 2: Manual clang++ (fallback)
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echo "[build_bridge] Falling back to manual clang++..."
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PY_INC=$($PYTHON -c "import sysconfig; print(sysconfig.get_path('include'))")
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PY_SUFFIX=$($PYTHON -c "import sysconfig; print(sysconfig.get_config_var('EXT_SUFFIX'))")
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TORCH_ROOT=$($PYTHON -c "import torch; import os; print(os.path.dirname(torch.__file__))")
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TORCH_INC="${TORCH_ROOT}/include"
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TORCH_INC2="${TORCH_ROOT}/include/torch/csrc/api/include"
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TORCH_LIB="${TORCH_ROOT}/lib"
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CXX=""
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for _CXX in /usr/local/corex/bin/clang++ g++; do
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[ -x "$_CXX" ] && CXX="$_CXX" && break
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done
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OUT="${BUILD_DIR}/ix_unified_bridge${PY_SUFFIX}"
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$CXX -shared -fPIC -O2 -std=c++17 \
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-I"$SCRIPT_DIR/csrc/ilu" \
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-I"$PY_INC" \
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-I"$TORCH_INC" \
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-I"$TORCH_INC2" \
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-L"$TORCH_LIB" \
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-ltorch -ltorch_cpu -ltorch_python -lc10 \
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-Wl,--no-as-needed,-rpath,"$TORCH_LIB" \
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-Wl,--unresolved-symbols=ignore-in-shared-libs \
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-D_GLIBCXX_USE_CXX11_ABI=0 \
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-DTORCH_EXTENSION_NAME=ix_unified_bridge \
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"$SRC" \
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-o "$OUT" 2>&1
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if [ -f "$OUT" ]; then
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echo "[build_bridge] SUCCESS via manual clang: $OUT ($(du -h "$OUT" | cut -f1))"
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else
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echo "[build_bridge] FAILED"
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exit 1
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fi
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