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: 3992.35
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 Mmio stale data: Not affected
Vulnerability Retbleed: Mitigation; untrained return thunk; SMT enabled with STIBP protection
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; Retpolines, IBPB conditional, STIBP always-on, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
memory MemTotal: 263696376 kB

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) 10.0.0 20191211 (experimental) 300dae5c80ddda7ab4fedffaa0bbf53887232a53
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.
git_revision 300dae5c80ddda7ab4fedffaa0bbf53887232a53
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
Filter

benzen.gcc-trunk.O_g test results

Run Order Start Time Duration
Current 1576097975000.300dae5c80ddda7ab4fedffaa0bbf53887232a53 2019-12-11T23:32:30.298743 0:01:31.121857
Previous 1574091370000.1cf462bfdd1ccfe2394173095086fefa33f9d33f 2019-11-18T18:19:20.813732 0:01:29.196737
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 13 8
Performance Improvements 11 16
Added Tests 3 3
Unchanged Tests 261 261
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 24.51% 15.175 18.894 - -0.17% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 39.83% 402.50 MB 562.80 MB - -1.11% -
random/pr69609.c 30.70% 394.25 MB 515.30 MB - -2.13% -
random/pr36262.c 30.46% 150.20 MB 195.96 MB - -0.40% -
random/pr38518.c 30.39% 150.68 MB 196.48 MB - -0.15% -
random/pr36439.cpp 22.93% 412.12 MB 506.61 MB - -4.48% -
random/pr26854-2.c 22.49% 295.36 MB 361.80 MB - -1.14% -
random/pr36498.cpp 21.91% 412.32 MB 502.67 MB - -2.27% -
random/pr12850.cpp 21.32% 749.04 MB 908.76 MB - -8.56% -
random/pr39326.c 18.23% 380.20 MB 449.52 MB - 0.40% -
random/pr70614.c 12.16% 48.46 MB 54.36 MB - -1.64% -
random/pr26854.c 6.47% 1.03 GB 1.10 GB - 0.00% -
random/pr12392.cpp 4.87% 667.71 MB 700.25 MB - -0.78% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -14.42% 52.533 44.960 - -16.36% -
random/pr12392.cpp -13.89% 36.569 31.488 - -16.09% -
random/pr69609.c -8.06% 24.229 22.276 - -27.64% -
random/pr39326.c -5.93% 138.713 130.487 - -3.86% -
random/pr26854.c -5.72% 109.560 103.292 - -4.03% -
random/pr12850.cpp -5.50% 51.259 48.439 - -9.13% -
random/pr38518.c -3.97% 5.138 4.934 - 0.21% -
random/pr36262.c -3.66% 5.142 4.954 - 9.68% -
random/pr36498.cpp -3.41% 20.735 20.027 - 4.60% -
random/pr36291.cpp -2.46% 23.110 22.542 - 3.24% -
random/pr70614.c -2.28% 25.592 25.008 - -3.83% -

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

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 10.34% 23.116 25.506 - -0.61% -
random/pr36262.c 9.68% 4.517 4.954 - -3.66% -
random/pr36498.cpp 4.60% 19.146 20.027 - -3.41% -
random/pr36291.cpp 3.24% 21.835 22.542 - -2.46% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.87% 417.24 KB 458.41 KB - 0.01% -
random/pr36498.cpp/elf 8.97% 15.81 MB 17.23 MB - -0.03% -
random/pr36439.cpp/elf 8.70% 12.12 MB 13.17 MB - -0.01% -
random/pr29433.cpp/elf 2.78% 1.35 MB 1.39 MB - 0.05% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -27.64% 30.784 22.276 - -8.06% -
random/pr28071.c -16.36% 53.756 44.960 - -14.42% -
random/pr12392.cpp -16.09% 37.526 31.488 - -13.89% -
random/pr12850.cpp -9.13% 53.302 48.439 - -5.50% -
random/pr26854.c -4.03% 107.634 103.292 - -5.72% -
random/pr39326.c -3.86% 135.733 130.487 - -5.93% -
random/pr70614.c -3.83% 26.005 25.008 - -2.28% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -11.67% 933.04 MB 824.18 MB - -1.52% -
random/pr12850.cpp -8.56% 993.85 MB 908.76 MB - 21.32% -
random/pr36439.cpp -4.48% 530.39 MB 506.61 MB - 22.93% -
random/pr36498.cpp -2.27% 514.33 MB 502.67 MB - 21.91% -
random/pr69609.c -2.13% 526.51 MB 515.30 MB - 30.70% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -21.14% 34.82 KB 27.46 KB - 0.12% -
random/pr12850.cpp/elf -13.44% 36.91 MB 31.95 MB - -0.11% -
random/pr69609.c/elf -9.64% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.00% 435.59 KB 405.12 KB - 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: 0.15s
Name Current %
random/empty.C 0.028 -
random/empty.c 0.027 -
random/pr12392.cpp 31.488 -13.89%
random/pr12850.cpp 48.439 -5.50%
random/pr26854-2.c 18.894 24.51%
random/pr26854.c 103.292 -5.72%
random/pr28071.c 44.960 -14.42%
random/pr29433.cpp 16.020 -
random/pr36262.c 4.954 -3.66%
random/pr36291.cpp 22.542 -2.46%
random/pr36439.cpp 25.506 -
random/pr36498.cpp 20.027 -3.41%
random/pr38518.c 4.934 -3.97%
random/pr39326.c 130.487 -5.93%
random/pr69609.c 22.276 -8.06%
random/pr70614.c 25.008 -2.28%
Geometric Mean 10.774 -3.07%
Name Current %
random/empty.C 17.69 MB -
random/empty.c 16.76 MB -
random/pr12392.cpp 700.25 MB 4.87%
random/pr12850.cpp 908.76 MB 21.32%
random/pr26854-2.c 361.80 MB 22.49%
random/pr26854.c 1.10 GB 6.47%
random/pr28071.c 824.18 MB -
random/pr29433.cpp 1.92 GB -
random/pr36262.c 195.96 MB 30.46%
random/pr36291.cpp 562.80 MB 39.83%
random/pr36439.cpp 506.61 MB 22.93%
random/pr36498.cpp 502.67 MB 21.91%
random/pr38518.c 196.48 MB 30.39%
random/pr39326.c 449.52 MB 18.23%
random/pr69609.c 515.30 MB 30.70%
random/pr70614.c 54.36 MB 12.16%
Geometric Mean 313.37 MB 15.45%