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15 lines
548 B
15 lines
548 B
9 years ago
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define: DUK_USE_EXEC_FUN_LOCAL
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introduced: 1.4.0
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default: false
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tags:
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- performance
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- execution
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description: >
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Use a local variable "fun" pointing to the current function in the bytecode
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dispatch loop instead of looking up the current function through "thr" every
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time it is needed. On x64 performance is slightly better without a "fun"
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local; on x86 performance is slightly better with one.
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You should only tweak this if you're really interested in performance, and
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should then do proper testing to see which value works better.
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