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26 lines
638 B
Plaintext
26 lines
638 B
Plaintext
---
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syntax: markdown
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tags: [tldr, common]
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source: https://github.com/tldr-pages/tldr.git
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---
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# wasm-opt
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> Optimize WebAssembly binary files.
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> More information: <https://github.com/webassembly/binaryen>.
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- Apply default optimizations and write to a given file:
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`wasm-opt -O {{input.wasm}} -o {{output.wasm}}`
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- Apply all optimizations and write to a given file (takes more time, but generates optimal code):
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`wasm-opt -O4 {{input.wasm}} -o {{output.wasm}}`
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- Optimize a file for size:
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`wasm-opt -Oz {{input.wasm}} -o {{output.wasm}}`
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- Print the textual representation of the binary to console:
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`wasm-opt {{input.wasm}} --print`
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