Thank you. sam.
I changed the options as instructed and did the profiling. After checking
the results, I identified sections where time was being consumed.
Could *._emval_await be affecting this? When compared to other projects,
there is a difference in *._emval_await.
profile.html
{
"pid": 110007,
"subprocessPid": 110007,
"op": "spawn",
"targetPid": 110114,
"time": *1720413197.1*,
"cmdLine": [
"/home/test/dev/emsdk/upstream/bin/wasm-opt",
"--strip-target-features",
"--post-emscripten",
"-O3",
"--low-memory-unused",
"--asyncify",
"--pass-arg=asyncify-asserts",
"--pass-arg=asyncify-imports@env.invoke_*,env.__asyncjs__*,*.fd_sync,*.emscripten_promise_await,*.emscripten_idb_load,*.emscripten_idb_store,*.emscripten_idb_delete,*.emscripten_idb_exists,*.emscripten_idb_clear,*.emscripten_idb_load_blob,*.emscripten_idb_store_blob,*.emscripten_sleep,*.emscripten_wget_data,*.emscripten_scan_registers,*.emscripten_lazy_load_code,*._load_secondary_module,*.emscripten_fiber_swap,*.SDL_Delay,
**._emval_await*",
"--zero-filled-memory",
"--pass-arg=directize-initial-contents-immutable",
"test.wasm",
"-o",
"test.wasm",
"--mvp-features",
"--enable-mutable-globals",
"--enable-sign-ext"
]
},
{
"pid": 110007,
"subprocessPid": 110007,
"op": "*wait*",
"targetPid": 110114,
"time": *1720413197.1*
},
{
"pid": 110007,
"subprocessPid": 110007,
"op": "*finish*",
"targetPid": 110114,
"time": *1720416042.543*,
"returncode": 0
},
2024년 7월 6일 토요일 오전 1시 36분 27초 UTC+9에 s...@google.com님이 작성:
> You can run your link command with `EMPROFILE=2` set in the environment
> and emscripten will print a breakdown of the various link steps.
>
> If you want even more details you can use `EMPROFILE=1` to produce a trace
> that can be rendered as html.
>
> See https://emscripten.org/docs/optimizing/Profiling-Toolchain.html
>
> cheers,
> sam
>
> On Fri, Jul 5, 2024 at 7:44 AM themixup <h2o...@gmail.com> wrote:
>
>> During the Reelase build process, compilation is quick but optimization
>> takes a long time. But Debug type is fast.
>> How can I identify which parts are taking the most time during
>> optimization?
>>
>> * emcmake cmake -S ../ -DCMAKE_BUILD_TYPE=Release
>> * build time : 30minutes more...
>>
>> * cmakelist build link option
>> "SHELL:-s EXPORTED_FUNCTIONS='[\"_malloc\", \"_free\"]'"
>> "SHELL:-s EXPORTED_RUNTIME_METHODS='[\"ccall\", \"cwrap\", \"FS\",
>> \"stringToUTF16\", \"UTF8ToString\", \"lengthBytesUTF8\",
>> \"allocateUTF8\"]'"
>> "SHELL:-s NO_EXIT_RUNTIME=1"
>> "SHELL:-s ELIMINATE_DUPLICATE_FUNCTIONS=1"
>> "SHELL:-s ERROR_ON_UNDEFINED_SYMBOLS=1"
>> "SHELL:-s ASSERTIONS=2"
>> "SHELL:-s FORCE_FILESYSTEM=1"
>> "SHELL:-s MAX_WEBGL_VERSION=2"
>> "SHELL:-s WASM=1"
>> "SHELL:-v"
>> "SHELL:--bind"
>> "SHELL:-s ALLOW_MEMORY_GROWTH=1"
>> "SHELL:-s ALLOW_TABLE_GROWTH=1"
>> "SHELL:-s TOTAL_MEMORY=1024MB"
>> "SHELL:-s STACK_SIZE=5MB"
>>
>> * my setting
>> cpu :i7-13700
>> ram :32GB
>> ssd :500GB
>> emsdk : 3.1.53
>>
>>
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>>
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