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: 1473.591
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.84
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: 263696144 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 20201012 (experimental) a324ced0d18a78022a24d4b5778efb6dc365c5c3
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 a324ced0d18a78022a24d4b5778efb6dc365c5c3
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.Ofast test results

Run Order Start Time Duration
Current 1602512297000.a324ced0d18a78022a24d4b5778efb6dc365c5c3 2020-10-13T04:38:42.135149 0:01:32.544664
Previous 1602409873000.23b477280e318f07d4b034bb089e93cb8639a70f 2020-10-11T13:16:38.833223 0:01:33.165367
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 4 16
Performance Improvements 4 10
Added Tests 3 3
Unchanged Tests 259 241
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 4.36% 28.688 29.938 - 3.78% -
random/pr26854-2.c 3.37% 54.172 56.000 - -3.62% -
random/pr12850.cpp 3.33% 39.928 41.257 - 2.55% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c 2.70% 1.13 GB 1.16 GB - 107.29% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c -5.82% 35.660 33.586 - -1.32% -
random/pr39326.c -4.12% 67.183 64.415 - -39.79% -
random/pr36439.cpp -2.41% 35.020 34.175 - 5.13% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c/elf -2.73% 723.10 KB 703.38 KB - -27.10% -

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/pr12392.cpp 45.71% 39.689 57.831 - -0.64% -
random/pr28071.c 7.47% 67.980 73.056 - -0.61% -
random/pr29433.cpp 6.73% 3.938 4.203 - 0.71% -
random/pr36439.cpp 5.13% 32.509 34.175 - -2.41% -
random/pr36291.cpp 3.78% 28.849 29.938 - 4.36% -
random/pr36262.c 3.13% 34.404 35.480 - 0.24% -
random/pr12850.cpp 2.55% 40.232 41.257 - 3.33% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 107.29% 572.54 MB 1.16 GB - 2.70% -
random/pr29433.cpp 14.22% 330.98 MB 378.05 MB - 0.02% -
random/pr12392.cpp 12.48% 912.91 MB 1.00 GB - -0.09% -
random/empty.C 4.66% 17.53 MB 18.34 MB - 0.36% -
random/pr36291.cpp 3.82% 482.21 MB 500.64 MB - 0.12% -
random/pr12850.cpp 3.56% 571.05 MB 591.36 MB - -0.09% -
random/empty.c 3.28% 16.43 MB 16.96 MB - 0.77% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 5.06% 123.16 KB 129.39 KB - 0.00% -
random/pr26854-2.c/elf/sections/text 4.89% 323.72 KB 339.55 KB - 0.06% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -39.79% 106.985 64.415 - -4.12% -
random/pr60243.c -30.83% 120.115 83.088 - 0.50% -
random/pr26854-2.c -3.62% 58.105 56.000 - 3.37% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -7.32% 1.33 GB 1.23 GB - 0.04% -
random/pr26854-2.c -6.91% 1.45 GB 1.35 GB - -0.01% -
random/pr60243.c -5.33% 2.11 GB 2.00 GB - 0.02% -
random/pr70614.c -4.32% 62.10 MB 59.42 MB - 0.15% -
random/pr36439.cpp -2.34% 459.73 MB 448.97 MB - 0.08% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -27.10% 964.88 KB 703.38 KB - -2.73% -
random/pr39326.c/elf/sections/text -7.83% 339.84 KB 313.22 KB - -0.60% -

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


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