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: 3992.35 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 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 Mmio stale data: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT enabled with STIBP protection 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, STIBP always-on, RSB filling, PBRSB-eIBRS Not affected Vulnerability Srbds: Not affected Vulnerability Tsx async abort: Not affected
memory	MemTotal: 263696376 kB

Run Info

Fields

Name	Value

Parameters

Name	Value
as	GNU assembler (GNU Binutils; openSUSE Tumbleweed) 2.32.0.20190909-8 Copyright (C) 2019 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) 10.0.1 20200212 (experimental) 91f993b7e31ce85676148dca180bc0d827d4245e 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.
git_revision	91f993b7e31ce85676148dca180bc0d827d4245e
glibc	GNU C Library (GNU libc) stable release version 2.30 (git 0a8262a1b2). 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. Configured for x86_64-suse-linux. Compiled by GNU CC version 9.2.1 20190903 [gcc-9-branch revision 275330]. 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) 2.32.0.20190909-8
options	None
reason	None
uname	Linux benzen 5.3.6-1-default #1 SMP Sun Oct 13 07:19:36 UTC 2019 (519ea7b) x86_64 x86_64 x86_64 GNU/Linux

Report

Filter

benzen.gcc-trunk.Ofast_march_native_Dleafify_flatten test results

Run	Order	Start Time	Duration
Current	1581473203000.91f993b7e31ce85676148dca180bc0d827d4245e	2020-02-12T07:44:25.847450	0:01:30.665881
Previous	1581990000000.abb4852434b3dee26301cc406472ac9450c621aa	2020-02-18T07:28:22.432453	0:01:30.054234
Baseline	1572221826000.75b6f9367845fc92fd4ebbc8d7b9156e044a9fc8	2019-10-28T07:00:49.454426	0:01:29.744002

Tests Summary

Status Group	#	# (B)
Performance Improvements	1	5
Unchanged Tests	17	13
Total Tests	18

Run-Over-Run Changes Detail

Performance Improvements - compile_time	Δ	Previous	Current	σ	Δ (B)	σ (B)
tramp3d	-2.89%	34.913	33.903	-	-3.17%	-

Run-Over-Baseline Changes Detail

Performance Improvements - compile_time	Δ (B)	Baseline	Current	σ (B)	Δ	σ
tramp3d	-3.17%	35.014	33.903	-	-2.89%	-

Performance Improvements - execution_time	Δ (B)	Baseline	Current	σ (B)	Δ	σ
tramp3d	-9.13%	1.811	1.645	-	0.19%	-

Performance Improvements - mem_bytes	Δ (B)	Baseline	Current	σ (B)	Δ	σ
tramp3d	-3.94%	642.18 MB	616.87 MB	-	-0.05%	-

Performance Improvements - size	Δ (B)	Baseline	Current	σ (B)	Δ	σ
tramp3d/elf	-2.85%	1.25 MB	1.21 MB	-	0.00%	-
tramp3d/elf/sections/text	-2.48%	851.22 KB	830.13 KB	-	0.00%	-

Report Time: 0.10s

execution_time

	Name	Current	%
	tramp3d	1.645	-
	Geometric Mean	1.645	-

size (bytes)

	Name	Current	%
	tramp3d/elf	1.21 MB	-
	tramp3d/elf/sections/text	830.13 KB	-
	Geometric Mean	1015.02 KB	-

compile_time

	Name	Current	%
	tramp3d	33.903	-2.89%
	Geometric Mean	33.903	-2.89%

mem_bytes (bytes)

	Name	Current	%
	tramp3d	616.87 MB	-
	Geometric Mean	616.87 MB	-