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) 2.34.0.20200325-1
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 20200810 (experimental) 99e4891ed552aca4ca147671701edd0b31015f66
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 99e4891ed552aca4ca147671701edd0b31015f66
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.O_g test results

Run Order Start Time Duration
Current 1597026488000.99e4891ed552aca4ca147671701edd0b31015f66 2020-08-10T07:26:29.920151 0:01:32.620445
Previous 1596074804000.2c58f5cadfac338a67723fd6e41c9097760c4a33 2020-07-30T07:26:52.173230 0:01:32.484015
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731


Tests Summary

Status Group # # (B)
Performance Regressions 3 13
Performance Improvements 9 25
Added Tests 3 3
Unchanged Tests 273 247
Total Tests 288

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c 7.47% 14.173 15.232 - -19.52% -
random/pr36291.cpp 6.04% 21.065 22.337 - 2.30% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36291.cpp 5.71% 596.56 MB 630.65 MB - 10.82% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr39326.c -19.54% 132.148 106.329 - -21.66% -
random/pr26854.c -6.84% 104.211 97.082 - -9.80% -
random/pr70614.c -5.33% 23.642 22.382 - -13.93% -
random/pr36498.cpp -3.26% 19.555 18.918 - -1.19% -
random/pr12392.cpp -2.23% 28.787 28.145 - -25.00% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36498.cpp -6.75% 555.87 MB 518.35 MB - 0.78% -
random/pr26854-2.c -3.80% 362.54 MB 348.77 MB - -4.70% -
random/pr26854.c -3.55% 1.09 GB 1.05 GB - -4.59% -
random/pr12850.cpp -2.06% 913.10 MB 894.27 MB - -10.02% -

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 4.18% 4.517 4.706 - 0.22% -
random/pr36439.cpp 2.95% 23.116 23.797 - -0.31% -
random/pr36291.cpp 2.30% 21.835 22.337 - 6.04% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 10.82% 569.09 MB 630.65 MB - 5.71% -
random/empty.C 5.57% 17.60 MB 18.58 MB - 1.47% -
random/pr12392.cpp 3.64% 705.73 MB 731.40 MB - 0.07% -
random/pr39326.c 3.31% 447.71 MB 462.54 MB - -0.02% -
random/empty.c 2.46% 16.49 MB 16.89 MB - -0.96% -
random/pr29433.cpp 2.43% 1.92 GB 1.96 GB - 0.06% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36498.cpp/elf/sections/text 9.83% 417.24 KB 458.25 KB - -0.00% -
random/pr36498.cpp/elf 6.89% 15.81 MB 16.90 MB - 0.14% -
random/pr36439.cpp/elf 6.77% 12.12 MB 12.94 MB - 0.05% -
random/pr29433.cpp/elf 2.81% 1.35 MB 1.39 MB - 0.52% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -29.70% 30.784 21.642 - -1.38% -
random/pr12392.cpp -25.00% 37.526 28.145 - -2.23% -
random/pr39326.c -21.66% 135.733 106.329 - -19.54% -
random/pr26854-2.c -19.52% 18.927 15.232 - 7.47% -
random/pr28071.c -19.26% 53.756 43.404 - 1.56% -
random/pr70614.c -13.93% 26.005 22.382 - -5.33% -
random/pr12850.cpp -13.32% 53.302 46.202 - -0.41% -
random/pr26854.c -9.80% 107.634 97.082 - -6.84% -
random/pr38518.c -4.25% 4.924 4.715 - -1.04% -
random/pr29433.cpp -3.98% 16.036 15.398 - 0.77% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -12.22% 933.04 MB 818.99 MB - 0.13% -
random/pr12850.cpp -10.02% 993.85 MB 894.27 MB - -2.06% -
random/pr26854-2.c -4.70% 365.98 MB 348.77 MB - -3.80% -
random/pr26854.c -4.59% 1.10 GB 1.05 GB - -3.55% -
random/pr69609.c -3.42% 526.51 MB 508.52 MB - -1.08% -
random/pr36262.c -2.41% 196.75 MB 192.00 MB - -0.23% -
random/pr38518.c -2.25% 196.77 MB 192.34 MB - -0.02% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -39.47% 15.64 MB 9.47 MB - 0.05% -
random/pr12850.cpp/elf/sections/text -20.62% 34.82 KB 27.64 KB - 0.01% -
random/pr12850.cpp/elf -17.70% 36.91 MB 30.38 MB - 0.07% -
random/pr69609.c/elf -9.71% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.06% 435.59 KB 404.83 KB - 0.00% -
random/pr39326.c/elf -5.44% 1.46 MB 1.38 MB - -0.00% -
random/pr26854-2.c/elf/sections/text -2.79% 318.56 KB 309.68 KB - -0.02% -
random/pr28071.c/elf/sections/text -2.59% 662.44 KB 645.28 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: 0.16s
Name Current %
random/empty.C 18.58 MB -
random/empty.c 16.89 MB -
random/pr12392.cpp 731.40 MB -
random/pr12850.cpp 894.27 MB -2.06%
random/pr26854-2.c 348.77 MB -3.80%
random/pr26854.c 1.05 GB -3.55%
random/pr28071.c 818.99 MB -
random/pr29433.cpp 1.96 GB -
random/pr36262.c 192.00 MB -
random/pr36291.cpp 630.65 MB 5.71%
random/pr36439.cpp 524.72 MB -
random/pr36498.cpp 518.35 MB -6.75%
random/pr38518.c 192.34 MB -
random/pr39326.c 462.54 MB -
random/pr69609.c 508.52 MB -
random/pr70614.c 55.21 MB -
Geometric Mean 317.05 MB -