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) 66e5e0a08554c487f976e9e7bc0da1038769ae67
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 66e5e0a08554c487f976e9e7bc0da1038769ae67
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 1621327574000.66e5e0a08554c487f976e9e7bc0da1038769ae67 2021-05-18T18:08:11.350037 0:01:05.626921
Previous 1607347034000.8dcfa368fb66c61a86010871c70d3aa3b08e10e9 2020-12-08T01:25:56.494153 0:01:34.905697
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 2 12
Performance Improvements 18 17
Added Tests 3 3
Unchanged Tests 247 238
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 39.65% 71.005 99.160 - -7.31% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/empty.C 3.02% 18.63 MB 19.19 MB - 9.49% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp -41.84% 59.330 34.504 - -13.06% -
random/pr38518.c -8.53% 34.082 31.174 - -8.41% -
random/pr26854-2.c -8.22% 52.422 48.114 - -17.20% -
random/pr36262.c -7.68% 33.912 31.306 - -9.00% -
random/pr70614.c -3.53% 0.813 0.784 - -44.83% -
random/pr36439.cpp -3.18% 35.605 34.471 - 6.04% -
random/pr36291.cpp -2.98% 29.232 28.362 - -1.69% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -76.66% 2.92 GB 696.90 MB - -76.57% -
random/pr38518.c -76.63% 2.92 GB 698.01 MB - -76.54% -
random/pr28071.c -47.47% 4.44 GB 2.33 GB - 75.21% -
random/pr12392.cpp -22.81% 1.00 GB 790.76 MB - -13.38% -
random/pr26854-2.c -17.61% 1.17 GB 983.80 MB - -33.71% -
random/pr39326.c -6.90% 1.36 GB 1.27 GB - 126.45% -
random/pr70614.c -3.00% 62.96 MB 61.08 MB - -1.65% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text -29.27% 131.60 KB 93.08 KB - 1.97% -
random/pr26854-2.c/elf/sections/text -9.72% 384.21 KB 346.88 KB - 7.15% -
random/pr39326.c/elf -3.92% 719.43 KB 691.23 KB - -28.36% -
random/pr26854-2.c/elf -3.64% 1022.65 KB 985.46 KB - 1.06% -

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/pr28071.c 116.08% 67.980 146.894 - -1.85% -
random/pr36439.cpp 6.04% 32.509 34.471 - -3.18% -
random/pr12850.cpp 3.11% 40.232 41.484 - -1.89% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 126.45% 572.54 MB 1.27 GB - -6.90% -
random/pr28071.c 75.21% 1.33 GB 2.33 GB - -47.47% -
random/pr29433.cpp 13.51% 330.98 MB 375.70 MB - 0.22% -
random/empty.C 9.49% 17.53 MB 19.19 MB - 3.02% -
random/empty.c 5.97% 16.43 MB 17.41 MB - 0.91% -
random/pr12850.cpp 4.41% 571.05 MB 596.22 MB - 0.34% -
random/pr36291.cpp 3.33% 482.21 MB 498.28 MB - 0.18% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr26854-2.c/elf/sections/text 7.15% 323.72 KB 346.88 KB - -9.72% -
random/pr36439.cpp/elf/sections/text 4.14% 123.16 KB 128.26 KB - -1.02% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -44.83% 1.422 0.784 - -3.53% -
random/pr60243.c -18.87% 120.115 97.447 - -0.34% -
random/pr26854-2.c -17.20% 58.105 48.114 - -8.22% -
random/pr29433.cpp -14.96% 3.938 3.349 - -1.52% -
random/pr12392.cpp -13.06% 39.689 34.504 - -41.84% -
random/pr36262.c -9.00% 34.404 31.306 - -7.68% -
random/pr38518.c -8.41% 34.036 31.174 - -8.53% -
random/pr39326.c -7.31% 106.985 99.160 - 39.65% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -76.57% 2.91 GB 696.90 MB - -76.66% -
random/pr38518.c -76.54% 2.91 GB 698.01 MB - -76.63% -
random/pr26854-2.c -33.71% 1.45 GB 983.80 MB - -17.61% -
random/pr12392.cpp -13.38% 912.91 MB 790.76 MB - -22.81% -
random/pr60243.c -8.60% 2.11 GB 1.93 GB - -0.44% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -28.36% 964.88 KB 691.23 KB - -3.92% -
random/pr39326.c/elf/sections/text -8.95% 339.84 KB 309.42 KB - -0.54% -
random/pr28071.c/elf/sections/text -3.97% 810.08 KB 777.95 KB - 0.31% -
random/pr28071.c/elf -2.71% 1.28 MB 1.24 MB - 0.19% -

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


Report Time: 0.10s
Name Current %
random/empty.C 19.19 MB 3.02%
random/empty.c 17.41 MB -
random/pr12392.cpp 790.76 MB -22.81%
random/pr12850.cpp 596.22 MB -
random/pr26854-2.c 983.80 MB -17.61%
random/pr28071.c 2.33 GB -47.47%
random/pr29433.cpp 375.70 MB -
random/pr36262.c 696.90 MB -76.66%
random/pr36291.cpp 498.28 MB -
random/pr36439.cpp 452.65 MB -
random/pr38518.c 698.01 MB -76.63%
random/pr39326.c 1.27 GB -6.90%
random/pr60243.c 1.93 GB -
random/pr70614.c 61.08 MB -3.00%
Geometric Mean 396.62 MB -25.10%