wasm-micro-runtime/core/shared/platform
Wenyong Huang 8d88471c46
Implement AOT static PGO (#2243)
LLVM PGO (Profile-Guided Optimization) allows the compiler to better optimize code
for how it actually runs. This PR implements the AOT static PGO, and is tested on
Linux x86-64 and x86-32. The basic steps are:

1. Use `wamrc --enable-llvm-pgo -o <aot_file_of_pgo> <wasm_file>`
   to generate an instrumented aot file.
2. Compile iwasm with `cmake -DWAMR_BUILD_STATIC_PGO=1` and run
      `iwasm --gen-prof-file=<raw_profile_file> <aot_file_of_pgo>`
    to generate the raw profile file.
3. Run `llvm-profdata merge -output=<profile_file> <raw_profile_file>`
    to merge the raw profile file into the profile file.
4. Run `wamrc --use-prof-file=<profile_file> -o <aot_file> <wasm_file>`
    to generate the optimized aot file.
5. Run the optimized aot_file: `iwasm <aot_file>`.

The test scripts are also added for each benchmark, run `test_pgo.sh` under
each benchmark's folder to test the AOT static pgo.
2023-06-05 09:17:39 +08:00
..
alios Add bh_print_proc_mem() to dump memory info of current process (#1734) 2022-11-25 08:33:44 +08:00
android Add mutex initializer for wasm-c-api engine operations (#1656) 2022-10-31 11:48:07 +08:00
common Add asan and ubsan to WAMR CI (#2161) 2023-05-26 09:45:37 +08:00
darwin Add mutex initializer for wasm-c-api engine operations (#1656) 2022-10-31 11:48:07 +08:00
ego Make a workaround for EGO when fstat returns NOT_SUPPORT (#1970) 2023-02-21 11:11:27 +08:00
esp-idf Enable platform support for esp-idf v5.0.1 (#2050) 2023-03-23 17:29:57 +08:00
freebsd Port WAMR to the FreeBSD platform and update the document (#1825) 2022-12-24 10:11:10 +08:00
include Implement AOT static PGO (#2243) 2023-06-05 09:17:39 +08:00
linux Implement the segue optimization for LLVM AOT/JIT (#2230) 2023-05-26 10:13:33 +08:00
linux-sgx Implement the segue optimization for LLVM AOT/JIT (#2230) 2023-05-26 10:13:33 +08:00
nuttx nuttx: Add missing pthread.h header (#2009) 2023-03-07 22:01:16 +08:00
riot Add bh_print_proc_mem() to dump memory info of current process (#1734) 2022-11-25 08:33:44 +08:00
rt-thread Add bh_print_proc_mem() to dump memory info of current process (#1734) 2022-11-25 08:33:44 +08:00
vxworks Add mutex initializer for wasm-c-api engine operations (#1656) 2022-10-31 11:48:07 +08:00
windows Fix compile warnings on windows platform (#2208) 2023-05-15 13:48:48 +08:00
zephyr Fix zephyr sample build errors (#1757) 2022-11-28 11:23:51 +08:00
README.md re-org platform APIs, simplify porting process (#201) 2020-03-16 16:43:57 +08:00

This folder contains the platform abstract layer for multiple platforms. To support a new platform, you can simply create a new folder here and implement all the APIs defined in include folder.

Refer to port_wamr.md for how to port WAMR to a target platform.