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buffer: faster case for create Buffer from zero length buffer #4326
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LGTM but the first line of the commit log is > 50 characters. |
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'use strict'; | |||
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var common = require('../common.js'); |
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const
please
LGTM with minor nit |
LGTM if you swap out the |
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Thanks @jasnell @cjihrig @bnoordhuis , Updated it by your suggestions. |
When create Buffer from a Buffer will copy data from old to new even though length is zero. This patch can improve edge case 4x faster. following is benchmark results. new: buffers/buffer_zero.js n=1024: 2463.53891 old: buffers/buffer_zero.js n=1024: 618.70801
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LGTM |
jasnell
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When create Buffer from a Buffer will copy data from old to new even though length is zero. This patch can improve edge case 4x faster. following is benchmark results. new: buffers/buffer_zero.js n=1024: 2463.53891 old: buffers/buffer_zero.js n=1024: 618.70801 PR-URL: #4326 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
Landed in 5396baf |
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When create Buffer from a Buffer will copy data from old to new even though length is zero. This patch can improve edge case 4x faster. following is benchmark results. new: buffers/buffer_zero.js n=1024: 2463.53891 old: buffers/buffer_zero.js n=1024: 618.70801 PR-URL: nodejs#4326 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
MylesBorins
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Jan 13, 2016
When create Buffer from a Buffer will copy data from old to new even though length is zero. This patch can improve edge case 4x faster. following is benchmark results. new: buffers/buffer_zero.js n=1024: 2463.53891 old: buffers/buffer_zero.js n=1024: 618.70801 PR-URL: #4326 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
MylesBorins
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Jan 19, 2016
When create Buffer from a Buffer will copy data from old to new even though length is zero. This patch can improve edge case 4x faster. following is benchmark results. new: buffers/buffer_zero.js n=1024: 2463.53891 old: buffers/buffer_zero.js n=1024: 618.70801 PR-URL: #4326 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
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When create Buffer from a Buffer will copy data from old to new even though length is zero. This patch can improve edge case 4x faster. following is benchmark results. new: buffers/buffer_zero.js n=1024: 2463.53891 old: buffers/buffer_zero.js n=1024: 618.70801 PR-URL: nodejs#4326 Reviewed-By: Ben Noordhuis <[email protected]> Reviewed-By: Colin Ihrig <[email protected]> Reviewed-By: James M Snell <[email protected]>
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buffer
Issues and PRs related to the buffer subsystem.
performance
Issues and PRs related to the performance of Node.js.
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When create Buffer from a Buffer will copy data from old
to new even though length is zero.
This patch can improve edge case 4x faster.
following is benchmark results.
new: buffers/buffer_zero.js n=1024: 2463.53891
old: buffers/buffer_zero.js n=1024: 618.70801