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: 1500.000
CPU max MHz: 2000.0000
CPU min MHz: 1500.0000
BogoMIPS: 3992.68
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: 263695408 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 20191114 (experimental) e8b2668ccfee932e0146438b03ccf50e80961d08
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 e8b2668ccfee932e0146438b03ccf50e80961d08
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-honza.O0_g test results

Run Order Start Time Duration
Current 1573809007000.e8b2668ccfee932e0146438b03ccf50e80961d08 2019-11-15T18:29:40.147922 0:01:30.995047
Previous 1572127425000.ead4ea7bb1b1b531c2d8ba72fc5c1f1b14ddc454 2019-10-27T12:04:37.670739 0:01:30.574768
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:30.681913


Tests Summary

Status Group # # (B)
Performance Regressions 13 12
Performance Improvements 16 16
Added Tests 3 3
Unchanged Tests 292 293
Total Tests 324

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
tramp3d 17.99% 13.962 16.474 - 16.41% -
random/pr36498.cpp 12.25% 5.763 6.469 - 12.35% -
random/pr12850.cpp 10.46% 13.186 14.566 - 10.59% -
random/pr36439.cpp 9.00% 6.315 6.883 - 8.96% -
random/pr69609.c 7.95% 5.169 5.580 - 12.61% -
random/pr26854-2.c 6.19% 5.251 5.577 - 5.46% -
random/pr36262.c 5.55% 0.931 0.983 - 5.74% -
random/pr26854.c 5.40% 32.217 33.959 - 1.76% -
random/pr38518.c 5.24% 0.931 0.979 - 5.08% -
random/pr12392.cpp 5.24% 4.721 4.968 - 5.23% -
random/pr28071.c 4.13% 10.666 11.106 - 4.16% -
random/pr39326.c 3.63% 2.065 2.140 - 4.02% -
random/pr36291.cpp 3.47% 11.887 12.299 - 6.47% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr60243.c -6.47% 42.970 40.188 - -6.57% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36439.cpp -29.95% 346.68 MB 242.86 MB - -29.95% -
random/pr60243.c -21.51% 1.68 GB 1.32 GB - -21.49% -
random/pr36291.cpp -20.43% 509.29 MB 405.21 MB - -20.43% -
random/pr36498.cpp -18.98% 325.38 MB 263.61 MB - -18.98% -
random/pr12392.cpp -17.98% 301.14 MB 246.99 MB - -17.93% -
random/pr12850.cpp -16.24% 494.86 MB 414.52 MB - -16.18% -
tramp3d -13.77% 595.81 MB 513.75 MB - -13.80% -
random/pr28071.c -7.68% 302.34 MB 279.11 MB - -7.29% -
random/pr26854-2.c -7.58% 252.62 MB 233.48 MB - -7.40% -
random/pr69609.c -6.99% 362.82 MB 337.47 MB - -6.99% -
random/pr36262.c -6.07% 89.77 MB 84.32 MB - -6.07% -
random/pr38518.c -5.98% 89.69 MB 84.33 MB - -5.98% -
random/pr26854.c -4.17% 908.27 MB 870.43 MB - -4.16% -
random/pr70614.c -3.96% 42.14 MB 40.47 MB - -3.96% -
random/pr39326.c -2.46% 156.83 MB 152.98 MB - -2.46% -

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
tramp3d 16.41% 14.152 16.474 - 17.99% -
random/pr69609.c 12.61% 4.955 5.580 - 7.95% -
random/pr36498.cpp 12.35% 5.758 6.469 - 12.25% -
random/pr12850.cpp 10.59% 13.171 14.566 - 10.46% -
random/pr36439.cpp 8.96% 6.317 6.883 - 9.00% -
random/pr36291.cpp 6.47% 11.552 12.299 - 3.47% -
random/pr36262.c 5.74% 0.929 0.983 - 5.55% -
random/pr26854-2.c 5.46% 5.288 5.577 - 6.19% -
random/pr12392.cpp 5.23% 4.721 4.968 - 5.24% -
random/pr38518.c 5.08% 0.932 0.979 - 5.24% -
random/pr28071.c 4.16% 10.663 11.106 - 4.13% -
random/pr39326.c 4.02% 2.057 2.140 - 3.63% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr60243.c -6.57% 43.016 40.188 - -6.47% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp -29.95% 346.68 MB 242.86 MB - -29.95% -
random/pr60243.c -21.49% 1.68 GB 1.32 GB - -21.51% -
random/pr36291.cpp -20.43% 509.29 MB 405.21 MB - -20.43% -
random/pr36498.cpp -18.98% 325.38 MB 263.61 MB - -18.98% -
random/pr12392.cpp -17.93% 300.94 MB 246.99 MB - -17.98% -
random/pr12850.cpp -16.18% 494.55 MB 414.52 MB - -16.24% -
tramp3d -13.80% 596.02 MB 513.75 MB - -13.77% -
random/pr26854-2.c -7.40% 252.12 MB 233.48 MB - -7.58% -
random/pr28071.c -7.29% 301.07 MB 279.11 MB - -7.68% -
random/pr69609.c -6.99% 362.82 MB 337.47 MB - -6.99% -
random/pr36262.c -6.07% 89.77 MB 84.32 MB - -6.07% -
random/pr38518.c -5.98% 89.69 MB 84.33 MB - -5.98% -
random/pr26854.c -4.16% 908.25 MB 870.43 MB - -4.17% -
random/pr70614.c -3.96% 42.14 MB 40.47 MB - -3.96% -
random/pr39326.c -2.46% 156.83 MB 152.98 MB - -2.46% -

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
Name Current %
random/empty.C 17.67 MB -
random/empty.c 16.86 MB -
random/pr12392.cpp 246.99 MB -17.98%
random/pr12850.cpp 414.52 MB -16.24%
random/pr26854-2.c 233.48 MB -7.58%
random/pr26854.c 870.43 MB -4.17%
random/pr28071.c 279.11 MB -7.68%
random/pr29433.cpp 1.89 GB -
random/pr36262.c 84.32 MB -6.07%
random/pr36291.cpp 405.21 MB -20.43%
random/pr36439.cpp 242.86 MB -29.95%
random/pr36498.cpp 263.61 MB -18.98%
random/pr38518.c 84.33 MB -5.98%
random/pr39326.c 152.98 MB -2.46%
random/pr60243.c 1.32 GB -21.51%
random/pr69609.c 337.47 MB -6.99%
random/pr70614.c 40.47 MB -3.96%
tramp3d 513.75 MB -13.77%
Geometric Mean 214.17 MB -10.60%