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Machine Info

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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): 64
On-line CPU(s) list: 0-63
Vendor ID: AuthenticAMD
Model name: AMD EPYC 7543 32-Core Processor
CPU family: 25
Model: 1
Thread(s) per core: 2
Core(s) per socket: 32
Socket(s): 1
Stepping: 1
Frequency boost: enabled
CPU max MHz: 2800.0000
CPU min MHz: 1500.0000
BogoMIPS: 5589.35
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 pcid 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 invpcid_single hw_pstate ssbd mba ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 invpcid 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 brs arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold v_vmsave_vmload vgif v_spec_ctrl umip pku ospke vaes vpclmulqdq rdpid overflow_recov succor smca
Virtualization: AMD-V
L1d cache: 1 MiB (32 instances)
L1i cache: 1 MiB (32 instances)
L2 cache: 16 MiB (32 instances)
L3 cache: 256 MiB (8 instances)
NUMA node(s): 1
NUMA node0 CPU(s): 0-63
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: 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; Retpolines, IBPB conditional, IBRS_FW, STIBP always-on, RSB filling, PBRSB-eIBRS Not affected
Vulnerability Srbds: Not affected
Vulnerability Tsx async abort: Not affected
memory MemTotal: 230606308 kB
Run Info

Fields

NameValue

Parameters

NameValue
as GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.39.0.20220810-1
Copyright (C) 2022 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) 14.0.0 20230526 (experimental) 0368fc54bc11f15bfa0ed9913fd0017815dfaa5d
Copyright (C) 2023 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 0368fc54bc11f15bfa0ed9913fd0017815dfaa5d
glibc GNU C Library (GNU libc) stable release version 2.36 (git c804cd1c00).
Copyright (C) 2022 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 12.1.1 20220812 [revision 6b7d570a5001bb79e34c0d1626a8c7f55386dac7].
libc ABIs: UNIQUE IFUNC ABSOLUTE
Minimum supported kernel: 3.2.0
For bug reporting instructions, please see:
<http://bugs.opensuse.org>.
glibc_location /lib64/libc.so.6
ld GNU ld (GNU Binutils; openSUSE Tumbleweed) 2.39.0.20220810-1
options None
reason None
uname Linux lntzen3 5.19.2-1-default #1 SMP PREEMPT_DYNAMIC Thu Aug 18 05:06:49 UTC 2022 (6c252ef) x86_64 x86_64 x86_64 GNU/Linux
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lntzen3.gcc-trunk.O_g test results

Run Order Start Time Duration
Current 1685079024000.0368fc54bc11f15bfa0ed9913fd0017815dfaa5d 2023-05-26T09:32:41.905500 0:00:31.064553
Previous 1685037326000.4832767db7897be6fb5cbc44f079482c90cb95a6 2023-05-25T21:32:35.990131 0:00:30.632023
Baseline 1634198881000.6e3bfd60e87303b32bf2284ea4e79078f488bc95 2021-10-14T12:29:03.534000 0:00:27.256986

Tests Summary

Status Group # # (B)
Performance Regressions 0 20
Performance Improvements 0 11
Added Tests 3 3
Unchanged Tests 285 254
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/pr28071.c 125.52% 26.855 60.564 - -1.97% -
random/pr36262.c 8.31% 2.594 2.810 - -0.03% -
random/pr38518.c 7.85% 2.606 2.811 - -0.43% -
random/pr36291.cpp 3.00% 17.946 18.484 - 0.43% -
random/pr36439.cpp 2.18% 17.683 18.069 - 0.24% -

Performance Regressions - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/empty.c 13.02% 17.67 MB 19.97 MB - 0.00% -
random/empty.C 11.59% 19.38 MB 21.62 MB - 0.00% -
random/pr60243.c 11.07% 2.97 GB 3.30 GB - 0.00% -
random/pr36291.cpp 9.79% 615.22 MB 675.47 MB - -0.12% -
random/pr12850.cpp 3.95% 851.57 MB 885.23 MB - 0.00% -
random/pr70614.c 3.86% 56.71 MB 58.90 MB - 0.00% -
random/pr36262.c 3.80% 191.68 MB 198.96 MB - 0.03% -
random/pr38518.c 3.79% 192.23 MB 199.51 MB - 0.03% -
random/pr26854-2.c 3.59% 357.36 MB 370.17 MB - 0.00% -
random/pr36439.cpp 2.82% 519.84 MB 534.51 MB - -0.12% -
random/pr26854.c 2.52% 1.03 GB 1.05 GB - 0.01% -

Performance Regressions - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf 22.12% 7.57 MB 9.24 MB - 0.00% -
random/pr28071.c/elf 16.36% 2.72 MB 3.17 MB - 0.00% -
random/pr36262.c/elf/sections/text 4.22% 108.63 KB 113.22 KB - 0.00% -
random/pr38518.c/elf/sections/text 4.22% 108.63 KB 113.22 KB - 0.00% -

Performance Improvements - compile_time Δ (B) Baseline Current σ (B) Δ σ
random/pr39326.c -20.22% 117.925 94.078 - -0.17% -
random/pr12392.cpp -16.89% 23.611 19.623 - 0.69% -
random/pr26854.c -11.13% 66.973 59.518 - 0.47% -
random/pr69609.c -3.87% 17.633 16.951 - -0.52% -

Performance Improvements - mem_bytes Δ (B) Baseline Current σ (B) Δ σ
random/pr28071.c -21.69% 812.52 MB 636.30 MB - 0.00% -
random/pr12392.cpp -2.86% 671.78 MB 652.57 MB - 0.00% -

Performance Improvements - size Δ (B) Baseline Current σ (B) Δ σ
random/pr12392.cpp/elf/sections/text -8.79% 506.22 KB 461.74 KB - 0.00% -
random/pr12850.cpp/elf/sections/text -4.99% 27.85 KB 26.46 KB - 0.00% -
random/pr28071.c/elf/sections/text -4.81% 645.28 KB 614.22 KB - 0.00% -
random/pr29433.cpp/elf/sections/text -4.24% 707.00 B 677.00 B - 0.00% -
random/pr12850.cpp/elf -2.47% 23.15 MB 22.58 MB - -0.25% -

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

Report Time: 0.13s