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Machine Info

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: 3992.40
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 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; Full AMD retpoline, IBPB conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
memory MemTotal: 263689112 kB
Run Info

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) 11.0.0 20210205 (experimental) 8d0737d8f4b10bffe0411507ad2dc21ba7679883
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 8d0737d8f4b10bffe0411507ad2dc21ba7679883
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
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benzen.gcc-trunk.O_g test results

Run Order Start Time Duration
Current 1612490376000.8d0737d8f4b10bffe0411507ad2dc21ba7679883 2021-02-05T07:31:07.347320 0:01:35.643135
Previous 1612743863000.fe2034e9c039c998fc5da730ed531c61cf2e0b7d 2021-02-08T07:32:02.141735 0:01:34.568598
Baseline 1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8 2019-10-28T07:00:49.454426 0:01:29.339731

Tests Summary

Status Group # # (B)
Performance Regressions 0 8
Performance Improvements 0 30
Added Tests 3 3
Unchanged Tests 285 247
Total Tests 288

Run-Over-Run Changes Detail

Added Tests - size
random/empty.C/elf/sections/text
random/empty.c/elf/sections/text
random/pr36439.cpp/elf/sections/text

Run-Over-Baseline Changes Detail

Performance Regressions - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr36439.cpp 10.34% 23.116 25.507 - 0.24% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr36291.cpp 8.43% 569.09 MB 617.09 MB - 0.02% -
random/empty.C 7.95% 17.60 MB 19.00 MB - -0.33% -
random/empty.c 6.06% 16.49 MB 17.49 MB - -0.36% -
random/pr29433.cpp 3.31% 1.92 GB 1.98 GB - 0.02% -
random/pr70614.c 2.88% 55.26 MB 56.85 MB - -0.11% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr36262.c/elf/sections/text 4.38% 105.04 KB 109.64 KB - 0.00% -
random/pr38518.c/elf/sections/text 4.38% 105.04 KB 109.64 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr69609.c -29.61% 30.784 21.670 - -0.28% -
random/pr26854-2.c -27.96% 18.927 13.634 - 0.11% -
random/pr39326.c -22.87% 135.733 104.695 - -0.51% -
random/pr38518.c -20.83% 4.924 3.899 - 0.00% -
random/pr28071.c -17.42% 53.756 44.390 - -0.23% -
random/pr12392.cpp -16.24% 37.526 31.432 - -0.43% -
random/pr70614.c -14.78% 26.005 22.161 - 1.10% -
random/pr36262.c -14.38% 4.517 3.867 - -0.04% -
random/pr12850.cpp -9.06% 53.302 48.473 - 0.27% -
random/pr29433.cpp -8.95% 16.036 14.601 - -1.42% -
random/pr26854.c -6.40% 107.634 100.743 - 0.83% -
random/pr36291.cpp -5.40% 21.835 20.656 - 0.09% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr12850.cpp -14.38% 993.85 MB 850.97 MB - 0.01% -
random/pr28071.c -12.96% 933.04 MB 812.11 MB - 0.01% -
random/pr26854.c -6.64% 1.10 GB 1.03 GB - 0.00% -
random/pr69609.c -4.98% 526.51 MB 500.27 MB - 0.00% -
random/pr39326.c -4.13% 447.71 MB 429.22 MB - -0.01% -
random/pr36262.c -3.55% 196.75 MB 189.77 MB - 0.00% -
random/pr38518.c -3.53% 196.77 MB 189.82 MB - -0.04% -
random/pr26854-2.c -2.78% 365.98 MB 355.80 MB - -0.15% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf -50.84% 15.64 MB 7.69 MB - -0.00% -
random/pr12850.cpp/elf -37.41% 36.91 MB 23.10 MB - -0.00% -
random/pr36439.cpp/elf -30.03% 12.12 MB 8.48 MB - 0.00% -
random/pr36291.cpp/elf -23.28% 11.94 MB 9.16 MB - -0.00% -
random/pr12850.cpp/elf/sections/text -20.22% 34.82 KB 27.78 KB - 0.00% -
random/pr69609.c/elf -9.37% 1.73 MB 1.57 MB - 0.00% -
random/pr69609.c/elf/sections/text -7.36% 435.59 KB 403.53 KB - 0.00% -
random/pr29433.cpp/elf -6.30% 1.35 MB 1.27 MB - 0.00% -
random/pr39326.c/elf -5.45% 1.46 MB 1.38 MB - 0.00% -
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: 0.12s