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wasm: optimize binary size

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- Changed optimization flags to -Oz, reducing the binary size by 120KB.
- Applied wasm-opt convergence as a post-process to ensure the minimum possible size with the given optimization flag.
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Jinny You 2025-02-17 13:32:00 +08:00 • committed by Hermet Park
parent 259e380733
commit bb2cefe9bc
5 changed files with 9 additions and 8 deletions
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4
cross/wasm32.txt
View file

@ -11,8 +11,8 @@ shared_module_suffix = 'js'
exe_suffix = 'js'
[built-in options]
cpp_args = ['-Wshift-negative-value', '-flto', '-Os', '-fno-exceptions']
cpp_link_args = ['-Wshift-negative-value', '-flto', '-Os', '-fno-exceptions', '--bind', '-sWASM=1', '-sALLOW_MEMORY_GROWTH=1', '-sEXPORT_ES6=1', '-sFORCE_FILESYSTEM=1', '-sMODULARIZE=1', '-sEXPORTED_RUNTIME_METHODS=FS', '-sUSE_WEBGPU=1', '-sSTACK_SIZE=2MB', '-sMAX_WEBGL_VERSION=2', '-sFULL_ES3']
cpp_args = ['-Wshift-negative-value', '-flto', '-Oz', '-fno-exceptions']
cpp_link_args = ['-Wshift-negative-value', '-flto', '-Oz', '-fno-exceptions', '--bind', '-sWASM=1', '-sALLOW_MEMORY_GROWTH=1', '-sEXPORT_ES6=1', '-sFORCE_FILESYSTEM=1', '-sMODULARIZE=1', '-sEXPORTED_RUNTIME_METHODS=FS', '-sUSE_WEBGPU=1', '-sSTACK_SIZE=2MB', '-sMAX_WEBGL_VERSION=2', '-sFULL_ES3']
[host_machine]
system = 'emscripten'

4
cross/wasm32_gl.txt
View file

@ -11,8 +11,8 @@ shared_module_suffix = 'js'
exe_suffix = 'js'
[built-in options]
cpp_args = ['-Wshift-negative-value', '-flto', '-Os', '-fno-exceptions']
cpp_link_args = ['-Wshift-negative-value', '-flto', '-Os', '-fno-exceptions', '--bind', '-sWASM=1', '-sALLOW_MEMORY_GROWTH=1', '-sEXPORT_ES6=1', '-sFORCE_FILESYSTEM=1', '-sMODULARIZE=1', '-sEXPORTED_RUNTIME_METHODS=FS', '-sMAX_WEBGL_VERSION=2', '-sFULL_ES3']
cpp_args = ['-Wshift-negative-value', '-flto', '-Oz', '-fno-exceptions']
cpp_link_args = ['-Wshift-negative-value', '-flto', '-Oz', '-fno-exceptions', '--bind', '-sWASM=1', '-sALLOW_MEMORY_GROWTH=1', '-sEXPORT_ES6=1', '-sFORCE_FILESYSTEM=1', '-sMODULARIZE=1', '-sEXPORTED_RUNTIME_METHODS=FS', '-sMAX_WEBGL_VERSION=2', '-sFULL_ES3']
[host_machine]
system = 'emscripten'

4
cross/wasm32_sw.txt
View file

@ -11,8 +11,8 @@ shared_module_suffix = 'js'
exe_suffix = 'js'
[built-in options]
cpp_args = ['-Wshift-negative-value', '-flto', '-Os', '-fno-exceptions']
cpp_link_args = ['-Wshift-negative-value', '-flto', '-Os', '-fno-exceptions', '--bind', '-sWASM=1', '-sALLOW_MEMORY_GROWTH=1', '-sEXPORT_ES6=1', '-sFORCE_FILESYSTEM=1', '-sMODULARIZE=1', '-sEXPORTED_RUNTIME_METHODS=FS']
cpp_args = ['-Wshift-negative-value', '-flto', '-Oz', '-fno-exceptions']
cpp_link_args = ['-Wshift-negative-value', '-flto', '-Oz', '-fno-exceptions', '--bind', '-sWASM=1', '-sALLOW_MEMORY_GROWTH=1', '-sEXPORT_ES6=1', '-sFORCE_FILESYSTEM=1', '-sMODULARIZE=1', '-sEXPORTED_RUNTIME_METHODS=FS']
[host_machine]
system = 'emscripten'

4
cross/wasm32_wg.txt
View file

@ -11,8 +11,8 @@ shared_module_suffix = 'js'
exe_suffix = 'js'
[built-in options]
cpp_args = ['-Wshift-negative-value', '-flto', '-Os', '-fno-exceptions']
cpp_link_args = ['-Wshift-negative-value', '-flto', '-Os', '-fno-exceptions', '--bind', '-sWASM=1', '-sALLOW_MEMORY_GROWTH=1', '-sEXPORT_ES6=1', '-sFORCE_FILESYSTEM=1', '-sMODULARIZE=1', '-sEXPORTED_RUNTIME_METHODS=FS', '-sUSE_WEBGPU=1', '-sSTACK_SIZE=2MB']
cpp_args = ['-Wshift-negative-value', '-flto', '-Oz', '-fno-exceptions']
cpp_link_args = ['-Wshift-negative-value', '-flto', '-Oz', '-fno-exceptions', '--bind', '-sWASM=1', '-sALLOW_MEMORY_GROWTH=1', '-sEXPORT_ES6=1', '-sFORCE_FILESYSTEM=1', '-sMODULARIZE=1', '-sEXPORTED_RUNTIME_METHODS=FS', '-sUSE_WEBGPU=1', '-sSTACK_SIZE=2MB']
[host_machine]
system = 'emscripten'

1
wasm_build.sh
View file

@ -27,4 +27,5 @@ if [ ! -d "./build_wasm" ]; then
fi
ninja -C build_wasm/
wasm-opt build_wasm/src/bindings/wasm/thorvg-wasm.wasm -Oz --converge -all -o build_wasm/src/bindings/wasm/thorvg-wasm.wasm
ls -lrt build_wasm/src/bindings/wasm/*.{js,wasm}