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: 2000.000
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) 2.35.1.20201112-1
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) 12.0.0 20210510 (experimental) 4f5431c5768bbba81a422f6fed6a6e2454c700ee
Copyright (C) 2021 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 4f5431c5768bbba81a422f6fed6a6e2454c700ee
glibc GNU C Library (GNU libc) release release version 2.32 (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 10.2.1 20201202 [revision e563687cf9d3d1278f45aaebd03e0f66531076c9].
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) 2.35.1.20201112-1
options None
reason None
uname Linux benzen 5.10.7-1-default #1 SMP Wed Jan 13 06:08:43 UTC 2021 (1c33a89) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.O0_g test results

Run Order Start Time Duration
Current 1621170081000.4f5431c5768bbba81a422f6fed6a6e2454c700ee 2021-05-16T23:39:04.634851 0:01:33.882412
Previous 1606555691000.68ee6d12fe9882223f47f81f93616577ab4e36da 2020-11-28T18:14:20.164665 0:01:34.350908
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 3 9
Performance Improvements 8 17
Added Tests 3 3
Unchanged Tests 310 295
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 2.60% 4.958 5.087 - -3.81% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C 3.70% 18.69 MB 19.38 MB - 9.44% -
random/empty.c 2.14% 17.17 MB 17.54 MB - 6.05% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -9.45% 0.651 0.589 - -36.58% -
random/pr36291.cpp -7.79% 10.849 10.004 - -13.40% -
random/pr12392.cpp -2.71% 3.865 3.760 - -20.35% -
random/pr29433.cpp -2.01% 14.678 14.383 - -9.13% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -3.58% 344.59 MB 332.25 MB - 10.40% -
random/pr36439.cpp -2.10% 363.17 MB 355.53 MB - 2.55% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr29433.cpp/elf -2.99% 1.21 MB 1.18 MB - -0.38% -
random/pr12392.cpp/elf -2.13% 1.94 MB 1.90 MB - -0.81% -

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 15.61% 494.55 MB 571.77 MB - -1.18% -
random/pr12392.cpp 10.40% 300.94 MB 332.25 MB - -3.58% -
random/empty.C 9.44% 17.71 MB 19.38 MB - 3.70% -
random/empty.c 6.05% 16.54 MB 17.54 MB - 2.14% -
random/pr60243.c 6.04% 1.68 GB 1.79 GB - 0.18% -
random/pr70614.c 4.00% 42.14 MB 43.82 MB - 1.58% -
random/pr29433.cpp 3.21% 1.91 GB 1.97 GB - 0.11% -
random/pr36439.cpp 2.55% 346.68 MB 355.53 MB - -2.10% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
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 -40.72% 0.305 0.181 - -2.47% -
random/pr39326.c -38.83% 2.057 1.258 - 0.49% -
random/pr36262.c -36.58% 0.929 0.589 - -9.45% -
random/pr38518.c -33.75% 0.932 0.617 - 1.87% -
random/pr12392.cpp -20.35% 4.721 3.760 - -2.71% -
random/pr36439.cpp -16.85% 6.317 5.252 - -0.10% -
random/pr69609.c -16.75% 4.955 4.125 - 0.45% -
random/pr36291.cpp -13.40% 11.552 10.004 - -7.79% -
random/pr12850.cpp -11.36% 13.171 11.674 - -0.54% -
random/pr28071.c -10.86% 10.663 9.504 - -1.39% -
random/pr60243.c -10.45% 43.016 38.522 - 0.31% -
random/pr29433.cpp -9.13% 15.829 14.383 - -2.01% -
random/pr26854.c -5.03% 33.372 31.692 - -0.35% -
tramp3d -3.87% 14.152 13.603 - -0.40% -
random/pr26854-2.c -3.81% 5.288 5.087 - 2.60% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.73% 509.29 MB 485.19 MB - 0.27% -
random/pr28071.c -4.59% 301.07 MB 287.26 MB - -0.11% -

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


Report Time: 0.30s
Name Current %
random/empty.C 19.38 MB 3.70%
random/empty.c 17.54 MB 2.14%
random/pr12392.cpp 332.25 MB -3.58%
random/pr12850.cpp 571.77 MB -
random/pr26854-2.c 253.25 MB -
random/pr26854.c 900.37 MB -
random/pr28071.c 287.26 MB -
random/pr29433.cpp 1.97 GB -
random/pr36262.c 91.01 MB -
random/pr36291.cpp 485.19 MB -
random/pr36439.cpp 355.53 MB -2.10%
random/pr38518.c 90.97 MB -
random/pr39326.c 155.18 MB -
random/pr60243.c 1.79 GB -
random/pr69609.c 358.87 MB -
random/pr70614.c 43.82 MB -
tramp3d 596.55 MB -
Geometric Mean 241.56 MB -