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document: Update description about segue opt, update README (#3338)

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Wenyong Huang
2024-04-22 14:34:52 +08:00
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doc/perf_tune.md
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@ -28,7 +28,7 @@ emcc -msimd128 -O3 -o <wasm_file> <c/c++ source files>
- Reduce the footprint of JIT/AOT, the JIT/AOT code generated is smaller
- Reduce the compilation time of JIT/AOT
Currently it is supported on linux x86-64, developer can use `--enable-segue=[<flags>]` for wamrc:
Currently it is only supported on linux x86-64, developer can use `--enable-segue=[<flags>]` for wamrc:
```bash
wamrc --enable-segue -o aot_file wasm_file
@ -50,6 +50,8 @@ iwasm --enable-segue wasm_file (iwasm is built with llvm-jit enabled)
iwasm --enable-segue=[<flags>] wasm_file
```
> Note: Currently it is only supported on linux x86-64.
## 5. Use the AOT static PGO method
LLVM PGO (Profile-Guided Optimization) allows the compiler to better optimize code for how it actually runs. WAMR supports AOT static PGO, currently it is tested on Linux x86-64 and x86-32. The basic steps are: