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 20191125 (experimental) 79f1c867581981b896bccbd7561ead4452dd792b
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 79f1c867581981b896bccbd7561ead4452dd792b
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 1574678185000.79f1c867581981b896bccbd7561ead4452dd792b 2019-11-25T13:22:03.689553 0:01:30.500739
Previous 1574122909000.baacd859bdd910315ec116a2baea2e32fc70df62 2019-11-19T07:29:52.737868 0:01:30.614429
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 13 9
Performance Improvements 10 14
Added Tests 3 3
Unchanged Tests 262 262
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 13.02% 16.579 18.737 - -1.00% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 39.61% 402.84 MB 562.43 MB - -1.17% -
random/pr69609.c 31.19% 394.25 MB 517.21 MB - -1.77% -
random/pr36262.c 30.09% 150.20 MB 195.41 MB - -0.68% -
random/pr38518.c 29.67% 150.68 MB 195.39 MB - -0.70% -
random/pr36439.cpp 22.90% 412.25 MB 506.64 MB - -4.48% -
random/pr26854-2.c 21.94% 296.09 MB 361.05 MB - -1.35% -
random/pr36498.cpp 21.92% 412.32 MB 502.68 MB - -2.26% -
random/pr12850.cpp 21.56% 749.04 MB 910.55 MB - -8.38% -
random/pr39326.c 18.10% 380.10 MB 448.89 MB - 0.26% -
random/pr70614.c 11.64% 48.52 MB 54.17 MB - -1.97% -
random/pr26854.c 6.04% 1.03 GB 1.10 GB - -0.39% -
random/pr12392.cpp 4.85% 667.37 MB 699.71 MB - -0.85% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr28071.c -18.82% 54.246 44.039 - -18.08% -
random/pr12392.cpp -14.74% 36.800 31.374 - -16.39% -
random/pr26854.c -8.91% 112.642 102.609 - -4.67% -
random/pr12850.cpp -8.65% 52.432 47.895 - -10.15% -
random/pr38518.c -7.43% 5.361 4.962 - 0.78% -
random/pr69609.c -6.09% 23.386 21.961 - -28.66% -
random/pr39326.c -5.32% 136.719 129.446 - -4.63% -
random/pr36498.cpp -3.77% 20.780 19.996 - 4.44% -
random/pr36262.c -3.38% 5.151 4.977 - 10.18% -
random/pr36291.cpp -2.74% 23.168 22.533 - 3.20% -

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/pr36262.c 10.18% 4.517 4.977 - -3.38% -
random/pr36439.cpp 9.21% 23.116 25.245 - -1.67% -
random/pr36498.cpp 4.44% 19.146 19.996 - -3.77% -
random/pr36291.cpp 3.20% 21.835 22.533 - -2.74% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.C 2.57% 17.60 MB 18.05 MB - 0.61% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.87% 417.24 KB 458.43 KB - 0.02% -
random/pr36498.cpp/elf 8.99% 15.81 MB 17.23 MB - -0.01% -
random/pr36439.cpp/elf 8.68% 12.12 MB 13.17 MB - -0.03% -
random/pr29433.cpp/elf 2.73% 1.35 MB 1.39 MB - -0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -28.66% 30.784 21.961 - -6.09% -
random/pr28071.c -18.08% 53.756 44.039 - -18.82% -
random/pr12392.cpp -16.39% 37.526 31.374 - -14.74% -
random/pr12850.cpp -10.15% 53.302 47.895 - -8.65% -
random/pr26854.c -4.67% 107.634 102.609 - -8.91% -
random/pr39326.c -4.63% 135.733 129.446 - -5.32% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -11.73% 933.04 MB 823.58 MB - -1.59% -
random/pr12850.cpp -8.38% 993.85 MB 910.55 MB - 21.56% -
random/pr36439.cpp -4.48% 530.39 MB 506.64 MB - 22.90% -
random/pr36498.cpp -2.26% 514.33 MB 502.68 MB - 21.92% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -21.22% 34.82 KB 27.43 KB - 0.03% -
random/pr12850.cpp/elf -13.35% 36.91 MB 31.98 MB - -0.01% -
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: 0.21s
Name Current %
random/empty.C 18.05 MB -
random/empty.c 16.64 MB -
random/pr12392.cpp 699.71 MB 4.85%
random/pr12850.cpp 910.55 MB 21.56%
random/pr26854-2.c 361.05 MB 21.94%
random/pr26854.c 1.10 GB 6.04%
random/pr28071.c 823.58 MB -
random/pr29433.cpp 1.92 GB -
random/pr36262.c 195.41 MB 30.09%
random/pr36291.cpp 562.43 MB 39.61%
random/pr36439.cpp 506.64 MB 22.90%
random/pr36498.cpp 502.68 MB 21.92%
random/pr38518.c 195.39 MB 29.67%
random/pr39326.c 448.89 MB 18.10%
random/pr69609.c 517.21 MB 31.19%
random/pr70614.c 54.17 MB 11.64%
Geometric Mean 313.31 MB 15.38%