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) 2.35.1.20201112-1
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) 0412cc2f390052aab9498849104f4428be747b9d
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 0412cc2f390052aab9498849104f4428be747b9d
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.Ofast test results

Run Order Start Time Duration
Current 1621328968000.0412cc2f390052aab9498849104f4428be747b9d 2021-05-19T04:08:20.548880 0:01:35.058239
Previous 1621327574000.66e5e0a08554c487f976e9e7bc0da1038769ae67 2021-05-18T18:08:11.350037 0:01:05.626921
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 12 13
Performance Improvements 5 18
Added Tests 3 3
Unchanged Tests 250 236
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c 7.63% 31.174 33.554 - -1.42% -
random/pr36262.c 7.09% 31.306 33.526 - -2.55% -
random/pr12392.cpp 3.72% 34.504 35.788 - -9.83% -
random/pr36291.cpp 3.32% 28.362 29.302 - 1.57% -
random/pr36439.cpp 3.17% 34.471 35.564 - 9.40% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c 5.22% 696.90 MB 733.27 MB - -75.35% -
random/pr38518.c 5.05% 698.01 MB 733.23 MB - -75.35% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c/elf/sections/text 8.36% 496.67 KB 538.18 KB - 8.87% -
random/pr38518.c/elf/sections/text 8.36% 496.67 KB 538.18 KB - 8.87% -
random/pr36262.c/elf 8.01% 521.66 KB 563.44 KB - 9.11% -
random/pr38518.c/elf 8.01% 521.66 KB 563.44 KB - 9.11% -
random/pr36439.cpp/elf/sections/text 2.59% 128.26 KB 131.59 KB - 6.84% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -3.02% 48.114 46.660 - -19.70% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -2.10% 452.65 MB 443.12 MB - -3.61% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text -31.56% 93.08 KB 63.71 KB - -30.21% -
random/pr26854-2.c/elf/sections/text -10.42% 346.88 KB 310.72 KB - -4.02% -
random/pr26854-2.c/elf -3.70% 985.46 KB 949.00 KB - -2.68% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 9.40% 32.509 35.564 - 3.17% -
random/pr12850.cpp 3.75% 40.232 41.743 - 0.62% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 126.73% 572.54 MB 1.27 GB - 0.13% -
random/pr29433.cpp 13.53% 330.98 MB 375.75 MB - 0.02% -
random/empty.C 9.49% 17.53 MB 19.19 MB - 0.00% -
random/empty.c 5.97% 16.43 MB 17.41 MB - 0.00% -
random/pr12850.cpp 4.86% 571.05 MB 598.79 MB - 0.43% -
random/pr36291.cpp 3.56% 482.21 MB 499.38 MB - 0.22% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf 9.11% 516.41 KB 563.44 KB - 8.01% -
random/pr38518.c/elf 9.11% 516.41 KB 563.44 KB - 8.01% -
random/pr36262.c/elf/sections/text 8.87% 494.35 KB 538.18 KB - 8.36% -
random/pr38518.c/elf/sections/text 8.87% 494.35 KB 538.18 KB - 8.36% -
random/pr36439.cpp/elf/sections/text 6.84% 123.16 KB 131.59 KB - 2.59% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -43.66% 1.422 0.801 - 2.13% -
random/pr26854-2.c -19.70% 58.105 46.660 - -3.02% -
random/pr60243.c -17.90% 120.115 98.615 - 1.20% -
random/pr29433.cpp -14.58% 3.938 3.364 - 0.45% -
random/pr12392.cpp -9.83% 39.689 35.788 - 3.72% -
random/pr39326.c -7.00% 106.985 99.497 - 0.34% -
random/pr36262.c -2.55% 34.404 33.526 - 7.09% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -75.35% 2.91 GB 733.23 MB - 5.05% -
random/pr36262.c -75.35% 2.91 GB 733.27 MB - 5.22% -
random/pr26854-2.c -33.98% 1.45 GB 979.84 MB - -0.40% -
random/pr12392.cpp -13.29% 912.91 MB 791.60 MB - 0.11% -
random/pr60243.c -8.60% 2.11 GB 1.93 GB - 0.00% -
random/pr36439.cpp -3.61% 459.73 MB 443.12 MB - -2.10% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -30.21% 91.29 KB 63.71 KB - -31.56% -
random/pr39326.c/elf -28.36% 964.88 KB 691.23 KB - 0.00% -
random/pr39326.c/elf/sections/text -8.95% 339.84 KB 309.42 KB - 0.00% -
random/pr26854-2.c/elf/sections/text -4.02% 323.72 KB 310.72 KB - -10.42% -
random/pr26854-2.c/elf -2.68% 975.09 KB 949.00 KB - -3.70% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text


Report Time: 0.12s