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

See Also:

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

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