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IDProjectCategoryView StatusLast Update
0017398CentOS-8glibcpublic2020-05-26 06:02
Reporterwenhuanh 
PrioritynormalSeverityminorReproducibilityalways
Status newResolutionopen 
PlatformIntel Xeon Platium 8280LOSCentOS StreamOS Version8
Product Version 
Target VersionFixed in Version 
Summary0017398: 32.1% - 64.6% performance regression caused by glibc upgrading from glibc-2.28-72.el8_1.1 to glibc-2.28-121.el8
Description1. benchmark: stress-ng in sub-test Lsearch
introduction: https://openbenchmarking.org/test/pts/stress-ng
There is 32.1% performance regression caused by glibc upgrading from glibc-2.28-72.el8_1.1 to glibc-2.28-121.el8
Here is testing data:
+------------+--------------------------------------------+---------------------------------------+
||version||glibc-2.28-72.el8_1.1.x86_64||glibc-2.28-121.el8.x86_64||
||score||||||716.85 Bogo Ops/s|||||||488.75 Bogo Ops/s|||||||
+------------+--------------------------------------------+---------------------------------------+

2. benchmark: cloverleaf
introduction: https://openbenchmarking.org/test/pts/cloverleaf
There is 64.6% regression caused by glibc upgrading from glibc-2.28-72.el8_1.1 to glibc-2.28-121.el8
Here is testing data:
+------------+--------------------------------------------+---------------------------------------+
||version||glibc-2.28-72.el8_1.1.x86_64||glibc-2.28-121.el8.x86_64||
||score||||||||0.51 Seconds||||||||||||1.41 Seconds|||||||
+------------+--------------------------------------------+---------------------------------------+
Steps To Reproduce1. Download phoronix-test-suite (as attached)
2. Install phoronix
     tar zxf ~/phoronix-test-suite-8.4.1.tar.gz
     cd ~/phoronix-test-suite
     sudo ~/phoronix-test-suite/install-sh
     phoronix-test-suite
     phoronix-test-suite network-setup
     phoronix-test-suite batch-setup
3. Run benchmark
     phoronix-test-suite run cloverleaf-1.0.0
     phoronix-test-suite run stress-ng-1.2.2 then choose Lsearch
Additional InformationHardware:
    Processor 2 x Intel Xeon Platium 8280L @ 2.70 GHZ (56 Cores/112 Threads)
    Motherboard Intel S2600WF (02.01.0008 BIOS with default settings)
    Memory 384G DDR4-2933 (12 x 32G)
    Disk 1600GB INTEL SSDPE2KE016T8
    Graphics ASPEED Family
    Network Intel Connection X722 for 10GBASE-T
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wenhuanh

wenhuanh

2020-05-26 06:02

reporter  

phoronix-test-suite-8.4.1.tar.gz (873,706 bytes)

Issue History

Date Modified Username Field Change
2020-05-26 06:02 wenhuanh New Issue
2020-05-26 06:02 wenhuanh File Added: phoronix-test-suite-8.4.1.tar.gz