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 |
Fields
| Name | Value |
|---|
Parameters
| Name | Value |
|---|---|
| as |
GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.34.0.20200325-1 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) 9.3.1 20200829 58d3fb351ffe6cf1ad71b37bcceda05c09b44f98 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 | 58d3fb351ffe6cf1ad71b37bcceda05c09b44f98 |
| glibc |
GNU C Library (GNU libc) stable release version 2.31 (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 10.1.1 20200625 [revision c91e43e9363bd119a695d64505f96539fa451bf2]. 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) 2.34.0.20200325-1 |
| options | None |
| reason | None |
| uname | Linux benzen 5.7.9-1-default #1 SMP Thu Jul 16 09:40:08 UTC 2020 (a010166) x86_64 x86_64 x86_64 GNU/Linux |
Filter
benzen.gcc-9.Ofast test results
| Run | Order | Start Time | Duration |
|---|---|---|---|
| Current | 1598660292000.58d3fb351ffe6cf1ad71b37bcceda05c09b44f98 | 2020-08-30T00:24:44.766726 | 0:01:31.693496 |
| Previous | 1593389898000.d8d451ec344af2fde2fd9248bf707207f89f8a29 | 2020-06-29T22:17:46.269545 | 0:01:30.756282 |
| Baseline | 1571832988000.59b9270a3ef78b556cab459cb63fdde3f8d6a1e9 | 2019-10-23T21:19:42.087342 | 0:01:30.746663 |
Tests Summary
| Status Group | # | # (B) |
|---|---|---|
| Performance Regressions | 0 | 1 |
| Performance Improvements | 5 | 8 |
| Added Tests | 3 | 3 |
| Unchanged Tests | 298 | 294 |
| Total Tests | 306 |
| Performance Improvements - compile_time | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| random/pr39326.c | -5.18% | 104.352 | 98.943 | - | -9.56% | - |
| random/pr38518.c | -3.45% | 89.616 | 86.524 | - | -2.79% | - |
| random/pr36262.c | -3.42% | 89.022 | 85.974 | - | -3.19% | - |
| random/pr26854-2.c | -3.19% | 45.655 | 44.201 | - | -3.13% | - |
| Performance Improvements - mem_bytes | Δ | Previous | Current | σ | Δ (B) | σ (B) |
|---|---|---|---|---|---|---|
| random/pr70614.c | -2.46% | 62.13 MB | 60.60 MB | - | 0.62% | - |
| Added Tests - size |
|---|
| random/empty.C/elf/sections/text |
| random/empty.c/elf/sections/text |
| random/pr29433.cpp/elf/sections/text |
| Performance Regressions - mem_bytes | Δ (B) | Baseline | Current | σ (B) | Δ | σ |
|---|---|---|---|---|---|---|
| random/empty.C | 2.42% | 16.95 MB | 17.36 MB | - | 1.81% | - |
| Performance Improvements - compile_time | Δ (B) | Baseline | Current | σ (B) | Δ | σ |
|---|---|---|---|---|---|---|
| random/pr39326.c | -9.56% | 109.400 | 98.943 | - | -5.18% | - |
| random/pr28071.c | -4.77% | 70.900 | 67.517 | - | -1.72% | - |
| random/pr12850.cpp | -3.46% | 39.581 | 38.211 | - | -1.00% | - |
| random/pr36262.c | -3.19% | 88.803 | 85.974 | - | -3.42% | - |
| random/pr26854-2.c | -3.13% | 45.627 | 44.201 | - | -3.19% | - |
| random/pr38518.c | -2.79% | 89.003 | 86.524 | - | -3.45% | - |
| random/pr12392.cpp | -2.60% | 39.890 | 38.852 | - | -2.00% | - |
| random/pr36439.cpp | -2.09% | 32.506 | 31.827 | - | -1.41% | - |
| Added Tests - size |
|---|
| random/empty.C/elf/sections/text |
| random/empty.c/elf/sections/text |
| random/pr29433.cpp/elf/sections/text |
Report Time: 0.14s