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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
Address sizes: 48 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 128
On-line CPU(s) list: 0-127
Vendor ID: AuthenticAMD
Model name: AMD EPYC 7702 64-Core Processor
CPU family: 23
Model: 49
Thread(s) per core: 2
Core(s) per socket: 64
Socket(s): 1
Stepping: 0
Frequency boost: enabled
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.40
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 rapl 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 v_spec_ctrl umip rdpid overflow_recov succor smca
Virtualization: AMD-V
L1d cache: 2 MiB (64 instances)
L1i cache: 2 MiB (64 instances)
L2 cache: 32 MiB (64 instances)
L3 cache: 256 MiB (16 instances)
NUMA node(s): 1
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
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
memory MemTotal: 263689112 kB
Run Info

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.32.0.20190909-8
Copyright (C) 2019 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) 10.0.1 20200129 (experimental) 345ea96111385ecc2a38f1e9b18f4f07cb98140f
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 345ea96111385ecc2a38f1e9b18f4f07cb98140f
glibc GNU C Library (GNU libc) stable release version 2.30 (git 0a8262a1b2).
Copyright (C) 2019 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 9.2.1 20190903 [gcc-9-branch revision 275330].
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) 2.32.0.20190909-8
options None
reason None
uname Linux benzen 5.3.6-1-default #1 SMP Sun Oct 13 07:19:36 UTC 2019 (519ea7b) x86_64 x86_64 x86_64 GNU/Linux
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benzen.gcc-trunk.O_g test results

Run Order Start Time Duration
Current 1580282152000.345ea96111385ecc2a38f1e9b18f4f07cb98140f 2020-01-29T10:30:09.221404 0:01:31.273617
Previous 1579792676000.c124b345e460780e3c3d4a6e58d0e6e03da982a1 2020-01-23T18:08:31.956731 0:01:30.294561
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731

Tests Summary

Status Group # # (B)
Performance Regressions 3 9
Performance Improvements 1 17
Added Tests 6 3
Unchanged Tests 278 259
Total Tests 288

Run-Over-Run Changes Detail

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c 8.96% 4.558 4.967 - 9.96% -
random/pr26854-2.c 4.42% 14.549 15.192 - -19.73% -
random/pr12392.cpp 2.36% 30.523 31.243 - -16.74% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp -2.45% 48.841 47.644 - -10.62% -

Added Tests - compile_time
random/pr36439.cpp

Added Tests - mem_bytes
random/pr36439.cpp

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

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c 9.96% 4.517 4.967 - 8.96% -
random/pr36439.cpp 5.42% 23.116 24.368 - 0.00% -
random/pr36498.cpp 4.27% 19.146 19.963 - -0.24% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 3.91% 16.49 MB 17.13 MB - 0.41% -
random/empty.C 3.46% 17.60 MB 18.21 MB - 0.00% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.88% 417.24 KB 458.47 KB - 0.00% -
random/pr36498.cpp/elf 8.94% 15.81 MB 17.23 MB - -0.00% -
random/pr36439.cpp/elf 8.61% 12.12 MB 13.16 MB - 0.00% -
random/pr29433.cpp/elf 2.77% 1.35 MB 1.39 MB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -28.82% 30.784 21.911 - -2.00% -
random/pr26854-2.c -19.73% 18.927 15.192 - 4.42% -
random/pr28071.c -18.24% 53.756 43.951 - -0.71% -
random/pr12392.cpp -16.74% 37.526 31.243 - 2.36% -
random/pr12850.cpp -10.62% 53.302 47.644 - -2.45% -
random/pr70614.c -7.77% 26.005 23.984 - 0.01% -
random/pr39326.c -3.02% 135.733 131.640 - -0.42% -
random/pr26854.c -2.13% 107.634 105.344 - 0.55% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -11.95% 933.04 MB 821.59 MB - 0.08% -
random/pr12850.cpp -8.58% 993.85 MB 908.59 MB - -0.02% -
random/pr36439.cpp -4.27% 530.39 MB 507.77 MB - 0.00% -
random/pr69609.c -2.02% 526.51 MB 515.88 MB - 0.03% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -20.66% 34.82 KB 27.62 KB - 0.00% -
random/pr12850.cpp/elf -13.46% 36.91 MB 31.94 MB - 0.00% -
random/pr69609.c/elf -9.66% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.01% 435.59 KB 405.05 KB - 0.00% -
random/pr39326.c/elf -5.84% 1.46 MB 1.38 MB - -0.00% -

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

Report Time: 0.13s