[Webkit-unassigned] [Bug 61269] New: Reg. Critical Performance issues in Sun Spider with latest webkit nightly.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=61269

           Summary: Reg. Critical Performance issues in Sun Spider with
                    latest webkit nightly.
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Critical
          Priority: P1
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ssseintr2 at gmail.com
                CC: ssseintr at gmail.com, thouraya.andolsi at st.com


Hi,

Since myself working for Embedded platform mainly for SH4. We usually take webkit nightly from webkit.org.

We are facing the critical performance issues in Sun Spider bench mark results with latest webkit nightly.

Please find our Sun Spider result for SH4-7105(with JIT & debug mode)for various revisions below,

Webkit-r74228 - 21,764 ms string(6876) date(4300)
Webkit-r85429- 21,545 ms string(7941) date(4734)
Webkit-r86784- 28,544 ms string(11553) date(7060)

According to us performance is getting reduced gradually in newer revisions. Also we found that
date & String related operation's avg.execution time is gradually increasing(See the above observation).

The above problem is not only for SH4 platforms also same issues in X86 too.(With WinLauncher-cairo-curl build)


Regards,
Vicky.

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