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) 2.35.1.20201112-1
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) 12.0.0 20210510 (experimental) ea21f32198432a490dd490696322838d94b3d3b2
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 ea21f32198432a490dd490696322838d94b3d3b2
glibc GNU C Library (GNU libc) release release version 2.32 (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 10.2.1 20201202 [revision e563687cf9d3d1278f45aaebd03e0f66531076c9].
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) 2.35.1.20201112-1
options None
reason None
uname Linux benzen 5.10.7-1-default #1 SMP Wed Jan 13 06:08:43 UTC 2021 (1c33a89) x86_64 x86_64 x86_64 GNU/Linux
Filter

benzen.gcc-trunk-honza.Ofast test results

Run Order Start Time Duration
Current 1621188953000.ea21f32198432a490dd490696322838d94b3d3b2 2021-05-17T09:33:17.329011 0:00:58.696976
Previous 1621170081000.4f5431c5768bbba81a422f6fed6a6e2454c700ee 2021-05-16T23:39:04.634851 0:01:34.462827
Baseline 1571915009000.6f4da220ebfa0c3a3db02109dcb371da27516a3b 2019-10-25T18:03:45.968290 0:01:31.225785


Tests Summary

Status Group # # (B)
Performance Regressions 0 11
Performance Improvements 15 26
Added Tests 3 3
Unchanged Tests 252 230
Total Tests 270

Performance Improvements - compile_time Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -76.54% 31.234 7.328 - -78.70% -
random/pr38518.c -76.34% 31.136 7.367 - -78.35% -
random/pr36439.cpp -5.37% 35.610 33.698 - 3.66% -
random/pr39326.c -3.21% 98.990 95.817 - -10.44% -

Performance Improvements - mem_bytes Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c -66.53% 700.15 MB 234.34 MB - -92.12% -
random/pr38518.c -66.44% 698.95 MB 234.57 MB - -92.12% -

Performance Improvements - size Δ Previous Current σ Δ (B) σ (B)
random/pr36262.c/elf -79.48% 521.66 KB 107.04 KB - -79.27% -
random/pr38518.c/elf -79.48% 521.66 KB 107.04 KB - -79.27% -
random/pr36262.c/elf/sections/text -79.03% 496.67 KB 104.15 KB - -78.93% -
random/pr38518.c/elf/sections/text -79.03% 496.67 KB 104.15 KB - -78.93% -
random/pr36439.cpp/elf/sections/text -17.44% 129.18 KB 106.65 KB - -13.41% -
random/pr26854-2.c/elf/sections/text -10.09% 346.88 KB 311.88 KB - -3.66% -
random/pr36439.cpp/elf -4.00% 1.74 MB 1.67 MB - -4.16% -
random/pr26854-2.c/elf -3.58% 985.46 KB 950.20 KB - -2.55% -
random/pr39326.c/elf/sections/text -2.67% 309.42 KB 301.17 KB - -11.38% -

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/pr28071.c 115.74% 67.980 146.660 - -0.28% -
random/pr12850.cpp 4.41% 40.232 42.005 - -0.88% -
random/pr36439.cpp 3.66% 32.509 33.698 - -5.37% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c 127.69% 572.54 MB 1.27 GB - 0.41% -
random/pr28071.c 75.21% 1.33 GB 2.33 GB - 0.00% -
random/pr29433.cpp 13.56% 330.98 MB 375.86 MB - 0.04% -
random/empty.C 9.49% 17.53 MB 19.19 MB - 0.00% -
random/empty.c 5.97% 16.43 MB 17.41 MB - 0.00% -
random/pr12850.cpp 4.71% 571.05 MB 597.95 MB - -0.23% -
random/pr36291.cpp 3.64% 482.21 MB 499.75 MB - -0.20% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp/elf/sections/text 41.16% 91.29 KB 128.87 KB - -1.93% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -78.70% 34.404 7.328 - -76.54% -
random/pr38518.c -78.35% 34.036 7.367 - -76.34% -
random/pr70614.c -44.22% 1.422 0.793 - -0.06% -
random/pr60243.c -18.59% 120.115 97.780 - -0.35% -
random/pr26854-2.c -15.91% 58.105 48.860 - -1.23% -
random/pr29433.cpp -14.45% 3.938 3.369 - -0.01% -
random/pr12392.cpp -11.52% 39.689 35.117 - 0.08% -
random/pr39326.c -10.44% 106.985 95.817 - -3.21% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c -92.12% 2.91 GB 234.34 MB - -66.53% -
random/pr38518.c -92.12% 2.91 GB 234.57 MB - -66.44% -
random/pr26854-2.c -33.59% 1.45 GB 985.67 MB - 0.11% -
random/pr12392.cpp -13.29% 912.91 MB 791.54 MB - 0.00% -
random/pr60243.c -8.60% 2.11 GB 1.93 GB - 0.00% -
random/pr36439.cpp -3.59% 459.73 MB 443.22 MB - -0.91% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf -79.27% 516.41 KB 107.04 KB - -79.48% -
random/pr38518.c/elf -79.27% 516.41 KB 107.04 KB - -79.48% -
random/pr36262.c/elf/sections/text -78.93% 494.35 KB 104.15 KB - -79.03% -
random/pr38518.c/elf/sections/text -78.93% 494.35 KB 104.15 KB - -79.03% -
random/pr39326.c/elf -29.51% 964.88 KB 680.12 KB - -1.61% -
random/pr36439.cpp/elf/sections/text -13.41% 123.16 KB 106.65 KB - -17.44% -
random/pr39326.c/elf/sections/text -11.38% 339.84 KB 301.17 KB - -2.67% -
random/pr36439.cpp/elf -4.16% 1.74 MB 1.67 MB - -4.00% -
random/pr28071.c/elf/sections/text -3.97% 810.08 KB 777.95 KB - 0.00% -
random/pr26854-2.c/elf/sections/text -3.66% 323.72 KB 311.88 KB - -10.09% -
random/pr28071.c/elf -2.71% 1.28 MB 1.24 MB - 0.00% -
random/pr26854-2.c/elf -2.55% 975.09 KB 950.20 KB - -3.58% -

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


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