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) 2.36.1.20210326-4
Copyright (C) 2021 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) 12.0.0 20210916 (experimental) 49162c9b0d2e6ed47a5fcc7cb066b9c0446d7404
Copyright (C) 2021 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 49162c9b0d2e6ed47a5fcc7cb066b9c0446d7404
glibc GNU C Library (GNU libc) release release version 2.33 (git 9826b03b74).
Copyright (C) 2021 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 11.1.1 20210510 [revision 23855a176609fe8dda6abaf2b21846b4517966eb].
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) 2.36.1.20210326-4
options None
reason None
uname Linux benzen 5.12.9-1-default #1 SMP Thu Jun 3 07:44:58 UTC 2021 (f17eb01) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.Ofast test results

Run Order Start Time Duration
Current 1631782795000.49162c9b0d2e6ed47a5fcc7cb066b9c0446d7404 2021-09-17T04:12:26.176545 0:01:22.492538
Previous 1631782470000.d73bde2eb1409e2007826d4028038d65cbd8de80 2021-09-16T18:15:16.944393 0:01:23.597370
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 9 16
Performance Improvements 6 17
Added Tests 3 3
Unchanged Tests 252 234
Total Tests 270

Performance Regressions - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr38518.c 13.76% 34.587 39.347 - 15.60% -
random/pr36262.c 13.22% 34.688 39.275 - 14.16% -
random/pr12392.cpp 2.24% 34.633 35.409 - -10.78% -

Performance Regressions - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c 7.80% 703.58 MB 758.45 MB - -74.50% -
random/pr38518.c 7.29% 705.63 MB 757.04 MB - -74.55% -

Performance Regressions - size Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c/elf/sections/text 8.11% 511.81 KB 553.31 KB - 11.93% -
random/pr38518.c/elf/sections/text 8.11% 511.81 KB 553.31 KB - 11.93% -
random/pr36262.c/elf 7.73% 549.95 KB 592.45 KB - 14.72% -
random/pr38518.c/elf 7.73% 549.95 KB 592.45 KB - 14.72% -

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr26854-2.c -4.82% 50.001 47.592 - -18.09% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr70614.c -3.34% 64.64 MB 62.48 MB - 0.61% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr12850.cpp/elf/sections/text -30.35% 91.83 KB 63.96 KB - -29.94% -
random/pr26854-2.c/elf/sections/text -7.94% 341.52 KB 314.40 KB - -2.88% -
random/pr26854-2.c/elf -2.80% 980.12 KB 952.66 KB - -2.30% -
random/pr36439.cpp/elf -2.16% 1.78 MB 1.74 MB - -0.11% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 15.93% 32.509 37.687 - 1.21% -
random/pr38518.c 15.60% 34.036 39.347 - 13.76% -
random/pr36262.c 14.16% 34.404 39.275 - 13.22% -
random/pr12850.cpp 5.59% 40.232 42.481 - 1.42% -
random/pr36291.cpp 3.13% 28.849 29.753 - 1.11% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 129.49% 572.54 MB 1.28 GB - -0.06% -
random/pr29433.cpp 10.75% 330.98 MB 366.55 MB - -0.16% -
random/empty.C 9.03% 17.53 MB 19.11 MB - 0.00% -
random/empty.c 7.56% 16.43 MB 17.67 MB - 0.00% -
random/pr12850.cpp 5.01% 571.05 MB 599.66 MB - 0.02% -
random/pr36291.cpp 3.91% 482.21 MB 501.05 MB - 0.54% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp/elf/sections/text 17.85% 123.16 KB 145.14 KB - 0.93% -
random/pr36262.c/elf 14.72% 516.41 KB 592.45 KB - 7.73% -
random/pr38518.c/elf 14.72% 516.41 KB 592.45 KB - 7.73% -
random/pr36262.c/elf/sections/text 11.93% 494.35 KB 553.31 KB - 8.11% -
random/pr38518.c/elf/sections/text 11.93% 494.35 KB 553.31 KB - 8.11% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr70614.c -41.57% 1.422 0.831 - -0.02% -
random/pr26854-2.c -18.09% 58.105 47.592 - -4.82% -
random/pr60243.c -17.00% 120.115 99.701 - 0.62% -
random/pr29433.cpp -15.45% 3.938 3.330 - -0.24% -
random/pr12392.cpp -10.78% 39.689 35.409 - 2.24% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr38518.c -74.55% 2.91 GB 757.04 MB - 7.29% -
random/pr36262.c -74.50% 2.91 GB 758.45 MB - 7.80% -
random/pr12392.cpp -42.54% 912.91 MB 524.52 MB - 0.06% -
random/pr26854-2.c -33.87% 1.45 GB 981.57 MB - -0.69% -
random/pr60243.c -7.16% 2.11 GB 1.96 GB - 1.54% -
random/pr36439.cpp -2.52% 459.73 MB 448.14 MB - -0.57% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text -29.94% 91.29 KB 63.96 KB - -30.35% -
random/pr39326.c/elf -28.58% 964.88 KB 689.16 KB - 0.00% -
random/pr39326.c/elf/sections/text -9.53% 339.84 KB 307.47 KB - 0.00% -
random/pr29433.cpp/elf -4.28% 91.50 KB 87.59 KB - 0.00% -
random/pr26854-2.c/elf/sections/text -2.88% 323.72 KB 314.40 KB - -7.94% -
random/pr26854-2.c/elf -2.30% 975.09 KB 952.66 KB - -2.80% -

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr29433.cpp/elf/sections/text


Report Time: 0.08s