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net: misc changes #8112

Merged
merged 2 commits into from
Aug 23, 2016
Merged

net: misc changes #8112

merged 2 commits into from
Aug 23, 2016

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mscdex
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@mscdex mscdex commented Aug 15, 2016

Checklist
  • make -j4 test (UNIX), or vcbuild test nosign (Windows) passes
  • commit message follows commit guidelines
Affected core subsystem(s)
  • net
Description of change
  • Removes unnecessary variables
  • Fixes potential deopts when accessing nonexistent indices of an array

@mscdex mscdex added the net Issues and PRs related to the net subsystem. label Aug 15, 2016
@mscdex
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mscdex commented Aug 15, 2016

@@ -60,9 +60,8 @@ exports.createServer = function(options, connectionListener) {
// connect(path, [cb]);
//
exports.connect = exports.createConnection = function() {
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Perhaps switch to function(...args) { here?

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I haven't ran the relevant benchmarks recently (at least with v8 5.1), but I wouldn't be surprised if rest args are still slower.

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They are still a bit slower.

@benjamingr
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LGTM

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@evanlucas
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LGTM

@jasnell
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jasnell commented Aug 16, 2016

LGTM

@mscdex
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mscdex commented Aug 23, 2016

CI again before landing: https://ci.nodejs.org/job/node-test-pull-request/3800/

V8 is smart enough to optimize the length property checking when
iterating over an array with a for loop.

PR-URL: nodejs#8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
This helps to prevent possible deoptimizations that arise when trying
to access nonexistent indices.

PR-URL: nodejs#8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
@mscdex mscdex merged commit a206afe into nodejs:master Aug 23, 2016
@mscdex mscdex deleted the net-connect-args-add-check branch August 23, 2016 19:25
evanlucas pushed a commit that referenced this pull request Aug 24, 2016
V8 is smart enough to optimize the length property checking when
iterating over an array with a for loop.

PR-URL: #8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
evanlucas pushed a commit that referenced this pull request Aug 24, 2016
This helps to prevent possible deoptimizations that arise when trying
to access nonexistent indices.

PR-URL: #8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
@MylesBorins
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should this be backported?

@mscdex
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mscdex commented Sep 30, 2016

I would say it's safe to backport.

MylesBorins pushed a commit that referenced this pull request Oct 10, 2016
V8 is smart enough to optimize the length property checking when
iterating over an array with a for loop.

PR-URL: #8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
MylesBorins pushed a commit that referenced this pull request Oct 10, 2016
This helps to prevent possible deoptimizations that arise when trying
to access nonexistent indices.

PR-URL: #8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
rvagg pushed a commit that referenced this pull request Oct 18, 2016
V8 is smart enough to optimize the length property checking when
iterating over an array with a for loop.

PR-URL: #8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
rvagg pushed a commit that referenced this pull request Oct 18, 2016
This helps to prevent possible deoptimizations that arise when trying
to access nonexistent indices.

PR-URL: #8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
MylesBorins pushed a commit that referenced this pull request Oct 26, 2016
V8 is smart enough to optimize the length property checking when
iterating over an array with a for loop.

PR-URL: #8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
MylesBorins pushed a commit that referenced this pull request Oct 26, 2016
This helps to prevent possible deoptimizations that arise when trying
to access nonexistent indices.

PR-URL: #8112
Reviewed-By: Benjamin Gruenbaum <[email protected]>
Reviewed-By: Evan Lucas <[email protected]>
Reviewed-By: James M Snell <[email protected]>
@MylesBorins MylesBorins mentioned this pull request Oct 26, 2016
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5 participants