[Webkit-unassigned] [Bug 84590] New: Web Inspector: improve the way heap snapshot diff is calculated

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=84590

           Summary: Web Inspector: improve the way heap snapshot diff is
                    calculated
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: Web Inspector
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: yurys at chromium.org
                CC: timothy at apple.com, rik at webkit.org, keishi at webkit.org,
                    pmuellr at yahoo.com, joepeck at webkit.org,
                    pfeldman at chromium.org, yurys at chromium.org,
                    bweinstein at apple.com, apavlov at chromium.org,
                    loislo at chromium.org


Now front-end will create nodes for each class and ask each of them to calculate diff for given class. After that classes with zero diff will be dropped. This creates unnecessary traffic between the DataGrid nodes and snapshot workers. Would be more efficient to first collect necessary data from the base snapshot and pass it once to the second snapshot so that it can perform all processing.

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