Fields

hardware None
os_version None

Parameters

cpu Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 48 bits physical, 48 bits virtual
CPU(s): 128
On-line CPU(s) list: 0-127
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 49
Model name: AMD EPYC 7702 64-Core Processor
Stepping: 0
Frequency boost: enabled
CPU MHz: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
Virtualization: AMD-V
L1d cache: 2 MiB
L1i cache: 2 MiB
L2 cache: 32 MiB
L3 cache: 256 MiB
NUMA node0 CPU(s): 0-127
Vulnerability Itlb multihit: Not affected
Vulnerability L1tf: Not affected
Vulnerability Mds: Not affected
Vulnerability Meltdown: Not affected
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Vulnerability Spectre v2: Mitigation; Full AMD retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb cat_l3 cdp_l3 hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 cqm rdt_a rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occup_llc cqm_mbm_total cqm_mbm_local clzero irperf xsaveerptr rdpru wbnoinvd amd_ppin arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif umip rdpid overflow_recov succor smca
memory MemTotal: 263695408 kB

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.34.0.20200325-1
Copyright (C) 2020 Free Software Foundation, Inc.
This program is free software; you may redistribute it under the terms of
the GNU General Public License version 3 or later.
This program has absolutely no warranty.
This assembler was configured for a target of `x86_64-suse-linux'.
gcc gcc (GCC) 11.0.0 20201107 (experimental) 16f976f6fc93808677eeef1733c1ded05ddf046d
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
git_revision 16f976f6fc93808677eeef1733c1ded05ddf046d
glibc GNU C Library (GNU libc) stable release version 2.31 (git 0a8262a1b2).
Copyright (C) 2020 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.
There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A
PARTICULAR PURPOSE.
Configured for x86_64-suse-linux.
Compiled by GNU CC version 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2].
libc ABIs: UNIQUE IFUNC ABSOLUTE
For bug reporting instructions, please see:
<http://bugs.opensuse.org>.
glibc_location /lib64/libc.so.6
ld GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.34.0.20200325-1
options None
reason None
uname Linux benzen 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.O0_g test results

Run Order Start Time Duration
Current 1604776939000.16f976f6fc93808677eeef1733c1ded05ddf046d 2020-11-09T16:35:41.152239 0:01:34.679612
Previous 1601589882000.2825609706e8b155e46e216355776403ea1f5035 2020-10-02T03:37:33.332861 0:01:33.534061
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 3 9
Performance Improvements 15 17
Added Tests 3 3
Unchanged Tests 303 295
Total Tests 324

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C 2.72% 18.49 MB 19.00 MB - 7.26% -
random/pr36439.cpp 2.65% 354.34 MB 363.74 MB - 4.92% -
random/pr70614.c 2.23% 41.53 MB 42.46 MB - 0.75% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -39.91% 0.307 0.184 - -39.50% -
random/pr39326.c -39.44% 2.062 1.249 - -39.29% -
random/pr36262.c -36.80% 0.938 0.593 - -36.21% -
random/pr38518.c -34.70% 0.935 0.610 - -34.52% -
random/pr12392.cpp -19.56% 4.798 3.859 - -18.25% -
random/pr36439.cpp -14.27% 6.108 5.236 - -17.11% -
random/pr69609.c -13.46% 4.679 4.049 - -18.29% -
random/pr36291.cpp -9.33% 11.061 10.029 - -13.18% -
random/pr12850.cpp -8.65% 12.779 11.674 - -11.36% -
random/pr29433.cpp -7.01% 15.638 14.541 - -8.13% -
random/pr28071.c -6.69% 10.165 9.484 - -11.05% -
random/pr60243.c -5.37% 43.721 41.373 - -3.82% -
tramp3d -3.47% 14.151 13.661 - -3.47% -
random/pr26854-2.c -2.29% 5.182 5.064 - -4.24% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp -2.71% 594.16 MB 578.07 MB - 16.89% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 16.89% 494.55 MB 578.07 MB - -2.71% -
random/pr12392.cpp 15.03% 300.94 MB 346.18 MB - -0.64% -
random/empty.C 7.26% 17.71 MB 19.00 MB - 2.72% -
random/pr36439.cpp 4.92% 346.68 MB 363.74 MB - 2.65% -
random/empty.c 4.09% 16.54 MB 17.21 MB - 0.96% -
random/pr29433.cpp 3.07% 1.91 GB 1.97 GB - 0.48% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr29433.cpp/elf 2.95% 1.18 MB 1.22 MB - -0.05% -
random/pr36291.cpp/elf 2.47% 7.17 MB 7.35 MB - 0.00% -
random/pr39326.c/elf/sections/text 2.03% 436.45 KB 445.30 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -39.50% 0.305 0.184 - -39.91% -
random/pr39326.c -39.29% 2.057 1.249 - -39.44% -
random/pr36262.c -36.21% 0.929 0.593 - -36.80% -
random/pr38518.c -34.52% 0.932 0.610 - -34.70% -
random/pr69609.c -18.29% 4.955 4.049 - -13.46% -
random/pr12392.cpp -18.25% 4.721 3.859 - -19.56% -
random/pr36439.cpp -17.11% 6.317 5.236 - -14.27% -
random/pr36291.cpp -13.18% 11.552 10.029 - -9.33% -
random/pr12850.cpp -11.36% 13.171 11.674 - -8.65% -
random/pr28071.c -11.05% 10.663 9.484 - -6.69% -
random/pr29433.cpp -8.13% 15.829 14.541 - -7.01% -
random/pr26854.c -4.98% 33.372 31.710 - -1.03% -
random/pr26854-2.c -4.24% 5.288 5.064 - -2.29% -
random/pr60243.c -3.82% 43.016 41.373 - -5.37% -
tramp3d -3.47% 14.152 13.661 - -3.47% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -5.04% 509.29 MB 483.63 MB - 0.36% -
random/pr28071.c -4.52% 301.07 MB 287.47 MB - -0.56% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text


Report Time: 0.09s
Name Current %
random/empty.C 0.023 -
random/empty.c 0.022 -
random/pr12392.cpp 3.859 -19.56%
random/pr12850.cpp 11.674 -8.65%
random/pr26854-2.c 5.064 -2.29%
random/pr26854.c 31.710 -
random/pr28071.c 9.484 -6.69%
random/pr29433.cpp 14.541 -7.01%
random/pr36262.c 0.593 -36.80%
random/pr36291.cpp 10.029 -9.33%
random/pr36439.cpp 5.236 -14.27%
random/pr38518.c 0.610 -34.70%
random/pr39326.c 1.249 -39.44%
random/pr60243.c 41.373 -5.37%
random/pr69609.c 4.049 -13.46%
random/pr70614.c 0.184 -39.91%
tramp3d 13.661 -3.47%
Geometric Mean 2.482 -16.48%
Name Current %
random/empty.C 19.00 MB 2.72%
random/empty.c 17.21 MB -
random/pr12392.cpp 346.18 MB -
random/pr12850.cpp 578.07 MB -2.71%
random/pr26854-2.c 252.27 MB -
random/pr26854.c 903.98 MB -
random/pr28071.c 287.47 MB -
random/pr29433.cpp 1.97 GB -
random/pr36262.c 90.45 MB -
random/pr36291.cpp 483.63 MB -
random/pr36439.cpp 363.74 MB 2.65%
random/pr38518.c 90.43 MB -
random/pr39326.c 153.70 MB -
random/pr60243.c 1.68 GB -
random/pr69609.c 356.93 MB -
random/pr70614.c 42.46 MB 2.23%
tramp3d 596.30 MB -
Geometric Mean 240.28 MB -