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Machine Info

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: 1498.366
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
Run Info

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 20210106 (experimental) ac3966e315ada63eb379d560a012fa77c3909155
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 ac3966e315ada63eb379d560a012fa77c3909155
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
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benzen.gcc-trunk.O0_g test results

Run Order Start Time Duration
Current 1609898090000.ac3966e315ada63eb379d560a012fa77c3909155 2021-01-06T07:30:55.683172 0:01:36.341725
Previous 1609810876000.bf183413c6f6e745f1324e39586a65a4f9fcea3f 2021-01-05T09:59:32.497790 0:01:36.426742
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:28.935102

Tests Summary

Status Group # # (B)
Performance Regressions 0 10
Performance Improvements 0 18
Added Tests 3 3
Unchanged Tests 321 293
Total Tests 324

Run-Over-Run Changes Detail

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

Run-Over-Baseline Changes Detail

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp 16.79% 495.30 MB 578.46 MB - 0.01% -
random/pr12392.cpp 14.10% 301.95 MB 344.52 MB - 0.01% -
random/empty.C 8.46% 17.59 MB 19.07 MB - 0.00% -
random/pr60243.c 6.34% 1.68 GB 1.79 GB - 0.01% -
random/empty.c 6.31% 16.47 MB 17.51 MB - -0.36% -
random/pr29433.cpp 3.34% 1.91 GB 1.97 GB - 0.23% -
random/pr36439.cpp 2.54% 346.68 MB 355.50 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp/elf/sections/text 2.77% 1.04 MB 1.07 MB - 0.00% -
random/pr29433.cpp/elf 2.64% 1.18 MB 1.21 MB - 0.00% -
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/pr39326.c -40.57% 2.067 1.228 - 1.25% -
random/pr70614.c -37.98% 0.308 0.191 - 2.09% -
random/pr36262.c -36.63% 0.938 0.594 - -0.27% -
random/pr38518.c -33.93% 0.935 0.618 - 0.62% -
random/pr69609.c -20.11% 5.212 4.164 - 1.47% -
random/pr36439.cpp -15.74% 6.258 5.273 - 0.12% -
random/pr12392.cpp -14.45% 4.414 3.776 - -0.43% -
random/pr36291.cpp -12.07% 11.540 10.147 - 0.18% -
random/pr60243.c -10.98% 43.428 38.659 - 0.30% -
random/pr12850.cpp -10.32% 13.201 11.838 - 0.18% -
random/pr28071.c -9.95% 10.691 9.627 - -0.03% -
random/pr29433.cpp -8.24% 15.730 14.434 - -0.33% -
tramp3d -6.00% 14.619 13.742 - 0.26% -
random/pr26854-2.c -3.08% 5.248 5.086 - 0.16% -
random/pr26854.c -2.59% 32.704 31.855 - 0.29% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp -4.92% 508.96 MB 483.91 MB - 0.00% -
random/pr28071.c -4.82% 302.40 MB 287.84 MB - 0.02% -
random/pr39326.c -2.11% 158.00 MB 154.68 MB - 0.08% -

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

Report Time: 0.11s