Bug 151531 - FTL lowering should tell B3 the right block frequencies
Summary: FTL lowering should tell B3 the right block frequencies
Status: RESOLVED FIXED
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Nightly Build
Hardware: All All
: P2 Normal
Assignee: Filip Pizlo
URL:
Keywords:
Depends on:
Blocks: 150279
  Show dependency treegraph
 
Reported: 2015-11-20 19:28 PST by Filip Pizlo
Modified: 2015-12-07 16:03 PST (History)
5 users (show)

See Also:


Attachments
the patch (4.23 KB, patch)
2015-12-07 15:54 PST, Filip Pizlo
ggaren: review+
Details | Formatted Diff | Diff

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Description Filip Pizlo 2015-11-20 19:28:27 PST
B3 would be happiest with the block frequency being just the execution count of the DFG block of the current node, and just "1" for any blocks that didn't result from lowering.
Comment 1 Filip Pizlo 2015-12-07 15:54:42 PST
Created attachment 266822 [details]
the patch
Comment 2 Geoffrey Garen 2015-12-07 15:55:47 PST
Comment on attachment 266822 [details]
the patch

r=me
Comment 3 Filip Pizlo 2015-12-07 16:03:04 PST
Landed in http://trac.webkit.org/changeset/193662