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recent parser performance regression #15262

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vtjnash opened this issue Feb 27, 2016 · 2 comments
Closed

recent parser performance regression #15262

vtjnash opened this issue Feb 27, 2016 · 2 comments
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@JeffBezanson
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kind:regression Regression in behavior compared to a previous version parser Language parsing and surface syntax performance Must go faster

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@vtjnash
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vtjnash commented Feb 27, 2016

With the recent work on modifying julia-syntax, I assumed it should be faster now. However, I was surprised to find that f5033ad seemed to be about twice as fast on one of my torture benchmarks (#9729 (comment)) than both v0.4 and master today (636916e).

(there's nothing special about that first commit, i just usually try to have one build on my machine that lags behind my current work)
@vtjnash vtjnash added performance Must go faster kind:regression Regression in behavior compared to a previous version parser Language parsing and surface syntax labels Feb 27, 2016
@nalimilan
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Any chance it could be related with #15246?

@JeffBezanson JeffBezanson self-assigned this Mar 12, 2016
@vtjnash vtjnash mentioned this issue Mar 21, 2016
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@vtjnash
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vtjnash commented Nov 29, 2016

Looks like this was fixed in v0.5

@vtjnash vtjnash closed this as completed Nov 29, 2016
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kind:regression Regression in behavior compared to a previous version parser Language parsing and surface syntax performance Must go faster
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@vtjnash @JeffBezanson @nalimilan