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Issue Type:
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![Bug]() Bug
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Affects Versions:
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JRuby 1.7.0.pre1 |
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Assignee:
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Thomas E Enebo
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Attachments:
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jruby-split-perf.nps |
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Created:
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14/Jun/12 10:11 AM
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Description:
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My code (a parser for the MAF file format for BioRuby) spends most of its time calling String#split. According to the JVisualVM profiler, RubyString.split19() in turn spends 60% of its time in calls to RubyBasicObject.getType() in the simple benchmark here: https://gist.github.com/2930845. In a full-up parser run, I've observed 22% of all CPU time (and 79% of time in String#split) being spent on these getType() calls. This seems like it might be worth optimizing, if possible.
I've attached a JVisualVM profiler snapshot.
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Environment:
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Mac OS X 10.7.4 64-bit, Java 1.7.0_04-b21
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Project:
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JRuby
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Priority:
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![Minor]() Minor
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Reporter:
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Clayton Wheeler
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