[Webkit-unassigned] [Bug 189654] New: Offline assembler always computes hashes even when nothing changes

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=189654

            Bug ID: 189654
           Summary: Offline assembler always computes hashes even when
                    nothing changes
           Product: WebKit
           Version: Other
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: msaboff at apple.com

>From email exchange:

I noticed that the “Offline Assembler” build step was taking between 5 and 30 seconds every time I build. Really stands out in incremental builds. I realized that this step does not do any dependency analysis. Every time, it builds a hash of the input to see if it needs to recompute the assembly.

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