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 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 1601747302000.75f27a872e94cbe2e661d58d527d42140ea30424 2020-10-03T22:57:55.587757 0:01:33.433446
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 10 16
Performance Improvements 4 10
Added Tests 3 3
Unchanged Tests 253 241
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 64.88% 35.075 57.831 - 45.71% -
random/pr36262.c 5.91% 33.499 35.480 - 3.13% -
random/pr36291.cpp 4.88% 28.544 29.938 - 3.78% -
random/pr70614.c 3.44% 1.398 1.446 - 1.70% -
random/pr12850.cpp 2.74% 40.158 41.257 - 2.55% -
random/pr26854-2.c 2.08% 54.859 56.000 - -3.62% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr12392.cpp 22.93% 835.29 MB 1.00 GB - 12.48% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp/elf/sections/text 4.08% 124.31 KB 129.39 KB - 5.06% -
random/pr26854-2.c/elf/sections/text 2.63% 330.85 KB 339.55 KB - 4.89% -
random/pr12850.cpp/elf 2.15% 3.39 MB 3.47 MB - 0.86% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -7.35% 69.524 64.415 - -39.79% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -8.99% 1.27 GB 1.16 GB - 107.29% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c/elf -5.17% 741.73 KB 703.38 KB - -27.10% -
random/pr39326.c/elf/sections/text -4.87% 329.27 KB 313.22 KB - -7.83% -

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 - 64.88% -
random/pr28071.c 7.47% 67.980 73.056 - 0.37% -
random/pr29433.cpp 6.73% 3.938 4.203 - 0.45% -
random/pr36439.cpp 5.13% 32.509 34.175 - 0.51% -
random/pr36291.cpp 3.78% 28.849 29.938 - 4.88% -
random/pr36262.c 3.13% 34.404 35.480 - 5.91% -
random/pr12850.cpp 2.55% 40.232 41.257 - 2.74% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 107.29% 572.54 MB 1.16 GB - -8.99% -
random/pr29433.cpp 14.22% 330.98 MB 378.05 MB - 0.08% -
random/pr12392.cpp 12.48% 912.91 MB 1.00 GB - 22.93% -
random/empty.C 4.66% 17.53 MB 18.34 MB - 0.47% -
random/pr36291.cpp 3.82% 482.21 MB 500.64 MB - -0.19% -
random/pr12850.cpp 3.56% 571.05 MB 591.36 MB - -1.16% -
random/empty.c 3.28% 16.43 MB 16.96 MB - 0.84% -

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 - 4.08% -
random/pr26854-2.c/elf/sections/text 4.89% 323.72 KB 339.55 KB - 2.63% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -39.79% 106.985 64.415 - -7.35% -
random/pr60243.c -30.83% 120.115 83.088 - -0.76% -
random/pr26854-2.c -3.62% 58.105 56.000 - 2.08% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -7.32% 1.33 GB 1.23 GB - -0.03% -
random/pr26854-2.c -6.91% 1.45 GB 1.35 GB - -1.95% -
random/pr60243.c -5.33% 2.11 GB 2.00 GB - -0.01% -
random/pr70614.c -4.32% 62.10 MB 59.42 MB - -1.86% -
random/pr36439.cpp -2.34% 459.73 MB 448.97 MB - -1.82% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c/elf -27.10% 964.88 KB 703.38 KB - -5.17% -
random/pr39326.c/elf/sections/text -7.83% 339.84 KB 313.22 KB - -4.87% -

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


Report Time: 0.14s