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https://issues.apache.org/jira/browse/CALCITE-1012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15049593#comment-15049593
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Julian Hyde edited comment on CALCITE-1012 at 12/9/15 11:14 PM:
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Makes sense.
Also, I think the JavaCC folks should consider converting from 1 array with 721
JJCalls instances to 4 arrays (int[] gens, Token[] firsts, int[] args, int[]
nexts). More friendly to both the JVM heap and the CPU's cache.
was (Author: julianhyde):
Makes sense.
Also, I think the JavaCC folks should consider converting from 1 array with 724
JJCalls instances to 4 arrays. More friendly to the JVM heap and to the CPU's
cache.
> Benchmark SQL parser
> --------------------
>
> Key: CALCITE-1012
> URL: https://issues.apache.org/jira/browse/CALCITE-1012
> Project: Calcite
> Issue Type: Bug
> Reporter: Julian Hyde
> Assignee: Julian Hyde
> Attachments: allocations1.png, allocations2.png, allocations3.png,
> allocations4.png
>
>
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