[Bug middle-end/55545] New: [4.8 Regression] Incredibly large compile-time performance regression on IA64 compiling 253.perlbmk

Fri, 30 Nov 2012 04:45:08 -0800 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55545



             Bug #: 55545

           Summary: [4.8 Regression] Incredibly large compile-time

                    performance regression on IA64 compiling 253.perlbmk

    Classification: Unclassified

           Product: gcc

           Version: 4.8.0

            Status: UNCONFIRMED

          Severity: normal

          Priority: P3

         Component: middle-end

        AssignedTo: unassig...@gcc.gnu.org

        ReportedBy: rgue...@gcc.gnu.org

            Target: ia64-*-linux





compiling SPEC 2000 253.perlbmk:



cpu2000/result/log.17027:  Elapsed compile for '253.perlbmk': 00:00:17 (17)

cpu2000/result/log.17031:  Elapsed compile for '253.perlbmk': 00:00:14 (14)

cpu2000/result/log.17031:  Elapsed compile for '253.perlbmk': 00:00:45 (45)

cpu2000/result/log.17035:  Elapsed compile for '253.perlbmk': 00:00:15 (15)

cpu2000/result/log.17035:  Elapsed compile for '253.perlbmk': 00:00:17 (17)

cpu2000/result/log.17039:  Elapsed compile for '253.perlbmk': 00:00:14 (14)

cpu2000/result/log.17039:  Elapsed compile for '253.perlbmk': 00:00:44 (44)

cpu2000/result/log.17043:  Elapsed compile for '253.perlbmk': 03:00:02 (10802)

cpu2000/result/log.17043:  Elapsed compile for '253.perlbmk': 03:00:04 (10804)

cpu2000/result/log.17047:  Elapsed compile for '253.perlbmk': 03:00:02 (10802)

cpu2000/result/log.17047:  Elapsed compile for '253.perlbmk': 03:00:22 (10822)



> ls -l cpu2000/result/log.17039   

-rw-rw-r-- 1 gcctest suse 747601 Nov 14 10:26 cpu2000/result/log.17039

> ls -l cpu2000/result/log.17043

-rw-rw-r-- 1 gcctest suse 558857 Nov 16 03:18 cpu2000/result/log.17043

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