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-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1812182 Title: Performance degradation with SPECint2017 Status in gcc-5 package in Ubuntu: Incomplete Status in glibc package in Ubuntu: Incomplete Status in linux package in Ubuntu: Incomplete Bug description: Problem description: During our Linux distribution performance regression testing, we found *significant* performance degradations on Ubuntu 16.04.5 LTS compared to other major Linux distributions on s390x when running SPECint2017. Some SPECint2017 micro-benchmarks show a performance degradation of 40%. Hardware environment: IBM z14, LPAR 1 IFL, SMT on 4GiB memory Software environment: Ubuntu 16.04.5 LTS SPECint2017 Analysis: We are currently in the progress of analyzing the problem and will get back to this bug as soon as we have more insights. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gcc-5/+bug/1812182/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
