[Bug c/92626] Performance regression in compress-rar on CLX server
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92626 --- Comment #1 from George Fan --- Created attachment 47330 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47330=edit server environment
[Bug c/92626] New: Performance regression in compress-rar on CLX server
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92626 Bug ID: 92626 Summary: Performance regression in compress-rar on CLX server Product: gcc Version: 9.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: mc_george123 at hotmail dot com Target Milestone: --- Created attachment 47329 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47329=edit rar source code We found 15% regression in clear 31520 compared to clear 31380 on compress-rar-1.1.0. The root cause is the update of gcc upstream version from gcc-9-branch@277298 to gcc-9-branch@277869(clear gcc 9.2.1-691 to 9.2.1-716). How to run, phoronix install compress-rar-1.1.0 phoronix run compress-rar The source code of compress-rar is also attached. clear CFlags: -g -O3 -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -Wformat -Wformat-security -m64 -fasynchronous-unwind-tables -Wp,-D_REENTRANT -ftree-loop-distribute-patterns -Wl,-z -Wl,now -Wl,-z -Wl,relro -fno-semantic-interposition -ffat-lto-objects -fno-trapping-math -Wl,-sort-common -Wl,--enable-new-dtags -mtune=skylake
[Bug middle-end/91433] Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 --- Comment #8 from George Fan --- Please, give me some advise.
[Bug middle-end/91433] Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 --- Comment #7 from George Fan --- echo $CFLAGS ( -g -O3 -feliminate-unused-debug-types -pipe -Wall -Wp,-D_FORTIFY_SOURCE=2 -fexceptions -fstack-protector --param=ssp-buffer-size=32 -Wformat -Wformat-security -m64 -fasynchronous-unwind-tables -Wp,-D_REENTRANT -ftree-loop-distribute-patterns -Wl,-z -Wl,now -Wl,-z -Wl,relro -fno-semantic-interposition -ffat-lto-objects -fno-signed-zeros -fno-trapping-math -fassociative-math -Wl,-sort-common -Wl,--enable-new-dtags -mtune=skylake )
[Bug middle-end/91433] Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 --- Comment #6 from George Fan --- Created attachment 46800 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46800=edit botan regression
[Bug middle-end/91433] Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 --- Comment #5 from George Fan --- The test case is as follows Environment, CPU, Intel(R) Core(TM) i7-8700 CPU @ 3.20GHz * 12 cores with hyperthreading MEM, Dell Vostro 3670 8G DISK, nvme 256G OS, from clear linux 28950 to clear linux 29070 gcc, from 8.3.0-433 to 9.0-454 phoronix, v8.4.1 botan, 1.4.0 CMD, phoronix-test-suite install botan-1.4.0 ( tar -xf Botan-2.8.0.tgz cd Botan-2.8.0 python3 ./configure.py make -j $NUM_CPU_CORES ) phoronix-test-suite run botan-1.4.0 (choose Blowfish)
[Bug middle-end/91433] Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 --- Comment #3 from George Fan --- Pls help.
[Bug target/91494] Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91494 --- Comment #1 from George Fan --- Please help.
[Bug c/91494] New: Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91494 Bug ID: 91494 Summary: Performance Regression when upgrading from 8.3.0 to 9.0 Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: mc_george123 at hotmail dot com Target Milestone: --- During the phoronix tests of botan-1.4.0-blowfish benchmark and crafty-1.4.4 benchmark, there are performance regressions in compilation process between version 8.3.0-433 and 9.0-454.
[Bug middle-end/91433] Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 --- Comment #2 from George Fan --- The compiler option for botan is "-fstack-protector -m64 -pthread -lbotan-2 -ldl -lrt", which the compiler option for crafty is "-pthread -lstdc++ -fprofile-use -lm". While the sub-architecture is coffee lake.
[Bug c/91433] New: Performance Regression when upgrading from 8.3.0 to 9.0
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91433 Bug ID: 91433 Summary: Performance Regression when upgrading from 8.3.0 to 9.0 Product: gcc Version: 9.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c Assignee: unassigned at gcc dot gnu.org Reporter: mc_george123 at hotmail dot com Target Milestone: --- During the phoronix tests of botan-1.4.0-blowfish benchmark and crafty-1.4.4 benchmark, there are performance regressions in compilation process between version 8.3.0-433 and 9.0-454.
