src: store onread callback in internal field #26837
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This gives a slight performance improvement. At 2000 runs:
confidence improvement accuracy (*) (**) (***)
net/net-c2s.js dur=5 type='buf' len=64 *** 0.54 % ±0.16% ±0.21% ±0.27%
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jasnell
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src/base_object-inl.h
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| v8::Local<v8::Value> value, | ||
| const v8::PropertyCallbackInfo<void>& info) { | ||
| // This could be e.g. value->IsFunction(). | ||
| CHECK_IMPLIES(typecheck != nullptr, ((*value)->*typecheck)()); |
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Since typecheck is never nullptr currently, maybe change the CHECK_IMPLIES into a simple CHECK?
You could also remove the default template argument and have a second, single-arg InternalFieldSet() without a check.
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Yeah, I’ve turned it into a simple CHECK and removed the nullptr default. We can always adjust this if we want.
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addaleax
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Mar 26, 2019
This gives a slight performance improvement. At 2000 runs:
confidence improvement accuracy (*) (**) (***)
net/net-c2s.js dur=5 type='buf' len=64 *** 0.54 % ±0.16% ±0.21% ±0.27%
PR-URL: #26837
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
targos
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Mar 27, 2019
This gives a slight performance improvement. At 2000 runs:
confidence improvement accuracy (*) (**) (***)
net/net-c2s.js dur=5 type='buf' len=64 *** 0.54 % ±0.16% ±0.21% ±0.27%
PR-URL: nodejs#26837
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
targos
pushed a commit
that referenced
this pull request
Mar 27, 2019
This gives a slight performance improvement. At 2000 runs:
confidence improvement accuracy (*) (**) (***)
net/net-c2s.js dur=5 type='buf' len=64 *** 0.54 % ±0.16% ±0.21% ±0.27%
PR-URL: #26837
Reviewed-By: Joyee Cheung <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Ben Noordhuis <[email protected]>
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This gives a slight performance improvement. At 2000 runs:
Checklist
make -j4 test(UNIX), orvcbuild test(Windows) passes