compress-zstd-1.6.0run

2 x Intel Xeon E5-2620 v2 testing with a ASUS Z9PE-D8 WS (5503 BIOS) and ASPEED on CentOS Stream 9 via the Phoronix Test Suite.

Compare your own system(s) to this result file with the Phoronix Test Suite by running the command: phoronix-test-suite benchmark 2407273-NE-COMPRESSZ47
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  Test
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debug
July 14
  1 Hour, 45 Minutes
NoGVNO2
July 15
  1 Hour, 1 Minute
NoGVNO3
July 16
  1 Hour
OptNoSimplO2
July 18
  1 Hour, 2 Minutes
OptNoSimplO3
July 19
  1 Hour, 1 Minute
OptSimplO2
July 22
  1 Hour, 1 Minute
OptSimplO3
July 22
  1 Hour
OptRedO2
July 27
  1 Hour, 1 Minute
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  1 Hour, 6 Minutes

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debug

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS=-O2 CFLAGS=-O2
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

NoGVNO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

NoGVNO3

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00P, Graphics: ASPEED, Audio: Realtek ALC898, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-467.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

OptNoSimplO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

OptNoSimplO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

OptSimplO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

OptSimplO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

OptRedO2

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 2000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850, Graphics: ASPEED, Audio: Realtek ALC898, Monitor: ASUS VW190, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-474.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

compress-zstd-1.6.0runProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkMonitorOSKernelDisplay ServerDisplay DriverCompilerFile-SystemScreen ResolutiondebugNoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptSimplO2OptSimplO3OptRedO22 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads)ASUS Z9PE-D8 WS (5503 BIOS)Intel Xeon E7 v2/Xeon32GB256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00PASPEEDRealtek ALC8982 x Intel 82574LCentOS Stream 95.14.0-467.el9.x86_64 (x86_64)X ServerNVIDIAGCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2ext41024x7682000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850ASUS VW1905.14.0-474.el9.x86_64 (x86_64)OpenBenchmarking.orgKernel Details- Transparent Huge Pages: alwaysEnvironment Details- debug: CXXFLAGS=-O2 CFLAGS=-O2- NoGVNO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true"- NoGVNO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true"- OptNoSimplO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" - OptNoSimplO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" - OptSimplO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" - OptSimplO3: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" - OptRedO2: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" Compiler Details- Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686Processor Details- Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42eSecurity Details- gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

compress-zstd-1.6.0runcompress-zstd: 3 - Compression Speedcompress-zstd: 3 - Decompression Speedcompress-zstd: 8 - Compression Speedcompress-zstd: 8 - Decompression Speedcompress-zstd: 12 - Compression Speedcompress-zstd: 12 - Decompression Speedcompress-zstd: 19 - Compression Speedcompress-zstd: 19 - Decompression Speedcompress-zstd: 3, Long Mode - Compression Speedcompress-zstd: 3, Long Mode - Decompression Speedcompress-zstd: 8, Long Mode - Compression Speedcompress-zstd: 8, Long Mode - Decompression Speedcompress-zstd: 19, Long Mode - Compression Speedcompress-zstd: 19, Long Mode - Decompression Speedcompress-zstd: 19, Long ModedebugNoGVNO2NoGVNO3OptNoSimplO2OptNoSimplO3OptSimplO2OptSimplO3OptRedO2826.6514.9242.0530.989.7511.28.70468.4404.6491.7251.2538.44.78453.9136.0496.342.5515.717.5497.12.08457.8111.3504.141.0514.41.97451.6136.3496.342.7517.317.7497.12.15458.0112.5505.040.9513.72.03451.6137.5496.842.6517.317.6498.22.09459.1112.3505.241.0516.41.99452.8137.3498.742.3516.617.7499.02.16458.6112.9505.840.9516.92.05452.9138.2500.741.7519.517.7501.52.08459.7111.1506.840.6519.21.98454.5135.8500.441.7521.217.6500.42.10460.9112.9510.240.7518.72.02455.8136.2500.842.1521.717.6501.12.07461.0112.4511.640.5519.21.98456.1OpenBenchmarking.org

Zstd Compression

This test measures the time needed to compress/decompress a sample file (silesia.tar) using Zstd (Zstandard) compression with options for different compression levels / settings. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3 - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO22004006008001000SE +/- 1.71, N = 3SE +/- 0.33, N = 3SE +/- 0.45, N = 3SE +/- 0.09, N = 3SE +/- 0.90, N = 3SE +/- 1.01, N = 3SE +/- 0.28, N = 3SE +/- 0.23, N = 3826.6136.5138.2136.2137.3137.5136.3136.0
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3 - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2150300450600750Min: 824.4 / Avg: 826.63 / Max: 830Min: 135.8 / Avg: 136.47 / Max: 136.8Min: 137.3 / Avg: 138.2 / Max: 138.7Min: 136 / Avg: 136.17 / Max: 136.3Min: 136 / Avg: 137.27 / Max: 139Min: 135.7 / Avg: 137.53 / Max: 139.2Min: 136 / Avg: 136.33 / Max: 136.9Min: 135.6 / Avg: 136 / Max: 136.4

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3 - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2110220330440550SE +/- 0.23, N = 3SE +/- 0.55, N = 3SE +/- 1.32, N = 3SE +/- 0.33, N = 3SE +/- 1.22, N = 3SE +/- 1.32, N = 3SE +/- 1.60, N = 3SE +/- 0.72, N = 3514.9500.4500.7500.8498.7496.8496.3496.3
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3 - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO290180270360450Min: 514.5 / Avg: 514.87 / Max: 515.3Min: 499.3 / Avg: 500.37 / Max: 501.1Min: 498.1 / Avg: 500.73 / Max: 502.1Min: 500.1 / Avg: 500.77 / Max: 501.1Min: 496.3 / Avg: 498.7 / Max: 500.3Min: 494.8 / Avg: 496.83 / Max: 499.3Min: 493.8 / Avg: 496.33 / Max: 499.3Min: 495.4 / Avg: 496.27 / Max: 497.7

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8 - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO250100150200250SE +/- 2.11, N = 3SE +/- 0.06, N = 3SE +/- 0.06, N = 3SE +/- 0.13, N = 3SE +/- 0.07, N = 3SE +/- 0.13, N = 3SE +/- 0.09, N = 3SE +/- 0.06, N = 3242.042.342.142.142.342.642.742.5
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8 - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO24080120160200Min: 237.9 / Avg: 242 / Max: 244.9Min: 42.2 / Avg: 42.3 / Max: 42.4Min: 42 / Avg: 42.1 / Max: 42.2Min: 41.8 / Avg: 42.07 / Max: 42.2Min: 42.2 / Avg: 42.27 / Max: 42.4Min: 42.3 / Avg: 42.57 / Max: 42.7Min: 42.5 / Avg: 42.67 / Max: 42.8Min: 42.4 / Avg: 42.5 / Max: 42.6

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8 - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2110220330440550SE +/- 1.05, N = 3SE +/- 0.71, N = 3SE +/- 0.55, N = 3SE +/- 0.80, N = 3SE +/- 0.25, N = 3SE +/- 1.05, N = 3SE +/- 1.50, N = 3SE +/- 0.56, N = 3530.9521.2519.5521.7516.6517.3517.3515.7
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8 - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO290180270360450Min: 529.2 / Avg: 530.87 / Max: 532.8Min: 520.2 / Avg: 521.23 / Max: 522.6Min: 518.8 / Avg: 519.53 / Max: 520.6Min: 520.1 / Avg: 521.67 / Max: 522.7Min: 516.3 / Avg: 516.6 / Max: 517.1Min: 515.2 / Avg: 517.27 / Max: 518.6Min: 514.3 / Avg: 517.3 / Max: 518.9Min: 515 / Avg: 515.7 / Max: 516.8

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 12 - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO220406080100SE +/- 0.95, N = 15SE +/- 0.09, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 3SE +/- 0.07, N = 3SE +/- 0.12, N = 3SE +/- 0.07, N = 3SE +/- 0.03, N = 389.717.617.717.617.717.617.717.5
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 12 - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO220406080100Min: 79.9 / Avg: 89.71 / Max: 95.5Min: 17.5 / Avg: 17.63 / Max: 17.8Min: 17.6 / Avg: 17.73 / Max: 17.8Min: 17.5 / Avg: 17.57 / Max: 17.7Min: 17.6 / Avg: 17.73 / Max: 17.8Min: 17.4 / Avg: 17.6 / Max: 17.8Min: 17.6 / Avg: 17.67 / Max: 17.8Min: 17.4 / Avg: 17.47 / Max: 17.5

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 12 - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2110220330440550SE +/- 0.47, N = 15SE +/- 0.35, N = 3SE +/- 1.28, N = 3SE +/- 0.96, N = 3SE +/- 1.34, N = 3SE +/- 0.70, N = 3SE +/- 1.44, N = 3SE +/- 0.37, N = 3511.2500.4501.5501.1499.0498.2497.1497.1
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 12 - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO290180270360450Min: 508 / Avg: 511.18 / Max: 513.9Min: 499.8 / Avg: 500.37 / Max: 501Min: 499.7 / Avg: 501.53 / Max: 504Min: 499.6 / Avg: 501.1 / Max: 502.9Min: 496.3 / Avg: 498.97 / Max: 500.5Min: 497.1 / Avg: 498.2 / Max: 499.5Min: 494.4 / Avg: 497.1 / Max: 499.3Min: 496.4 / Avg: 497.13 / Max: 497.5

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19 - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2246810SE +/- 0.05, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 38.702.102.102.072.162.092.152.08
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19 - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO23691215Min: 8.6 / Avg: 8.7 / Max: 8.75Min: 2.08 / Avg: 2.1 / Max: 2.12Min: 2.06 / Avg: 2.1 / Max: 2.12Min: 2.05 / Avg: 2.07 / Max: 2.1Min: 2.13 / Avg: 2.16 / Max: 2.17Min: 2.07 / Avg: 2.09 / Max: 2.11Min: 2.13 / Avg: 2.15 / Max: 2.17Min: 2.06 / Avg: 2.08 / Max: 2.1

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19 - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2100200300400500SE +/- 1.35, N = 3SE +/- 0.72, N = 3SE +/- 0.81, N = 3SE +/- 0.97, N = 3SE +/- 1.34, N = 3SE +/- 1.89, N = 3SE +/- 0.64, N = 3SE +/- 1.42, N = 3468.4460.9459.7461.0458.6459.1458.0457.8
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19 - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO280160240320400Min: 466.9 / Avg: 468.4 / Max: 471.1Min: 460.1 / Avg: 460.87 / Max: 462.3Min: 458.6 / Avg: 459.73 / Max: 461.3Min: 459.8 / Avg: 460.97 / Max: 462.9Min: 455.9 / Avg: 458.57 / Max: 460.1Min: 455.7 / Avg: 459.13 / Max: 462.2Min: 457.3 / Avg: 458.03 / Max: 459.3Min: 456.1 / Avg: 457.77 / Max: 460.6

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3, Long Mode - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO290180270360450SE +/- 3.31, N = 3SE +/- 0.03, N = 3SE +/- 0.20, N = 3SE +/- 0.06, N = 3SE +/- 0.12, N = 3SE +/- 0.26, N = 3SE +/- 0.25, N = 3SE +/- 0.10, N = 3404.6112.9111.5112.4112.9112.3112.5111.3
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3, Long Mode - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO270140210280350Min: 398.6 / Avg: 404.63 / Max: 410Min: 112.8 / Avg: 112.87 / Max: 112.9Min: 111.3 / Avg: 111.5 / Max: 111.9Min: 112.3 / Avg: 112.4 / Max: 112.5Min: 112.7 / Avg: 112.93 / Max: 113.1Min: 111.9 / Avg: 112.3 / Max: 112.8Min: 112.2 / Avg: 112.5 / Max: 113Min: 111.2 / Avg: 111.3 / Max: 111.5

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3, Long Mode - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2110220330440550SE +/- 3.55, N = 3SE +/- 0.17, N = 3SE +/- 0.86, N = 3SE +/- 0.30, N = 3SE +/- 1.40, N = 3SE +/- 1.09, N = 3SE +/- 1.18, N = 3SE +/- 1.44, N = 3491.7510.2506.8511.6505.8505.2505.0504.1
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3, Long Mode - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO290180270360450Min: 486.8 / Avg: 491.7 / Max: 498.6Min: 509.9 / Avg: 510.2 / Max: 510.5Min: 505.7 / Avg: 506.8 / Max: 508.5Min: 511 / Avg: 511.57 / Max: 512Min: 503 / Avg: 505.77 / Max: 507.5Min: 503.7 / Avg: 505.17 / Max: 507.3Min: 503 / Avg: 505.03 / Max: 507.1Min: 502.4 / Avg: 504.13 / Max: 507

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8, Long Mode - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO250100150200250SE +/- 1.77, N = 3SE +/- 0.09, N = 3SE +/- 0.10, N = 3SE +/- 0.12, N = 3SE +/- 0.13, N = 3SE +/- 0.09, N = 3SE +/- 0.06, N = 3SE +/- 0.12, N = 3251.240.740.840.540.941.040.941.0
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8, Long Mode - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO250100150200250Min: 247.7 / Avg: 251.23 / Max: 253.1Min: 40.5 / Avg: 40.67 / Max: 40.8Min: 40.7 / Avg: 40.8 / Max: 41Min: 40.3 / Avg: 40.47 / Max: 40.7Min: 40.6 / Avg: 40.87 / Max: 41Min: 40.9 / Avg: 41.03 / Max: 41.2Min: 40.8 / Avg: 40.9 / Max: 41Min: 40.8 / Avg: 40.97 / Max: 41.2

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8, Long Mode - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2120240360480600SE +/- 1.08, N = 3SE +/- 0.46, N = 3SE +/- 1.00, N = 3SE +/- 1.36, N = 3SE +/- 0.81, N = 3SE +/- 0.75, N = 3SE +/- 0.32, N = 3SE +/- 1.77, N = 3538.4518.7519.2519.2516.9516.4513.7514.4
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8, Long Mode - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2100200300400500Min: 536.4 / Avg: 538.4 / Max: 540.1Min: 517.9 / Avg: 518.73 / Max: 519.5Min: 517.7 / Avg: 519.2 / Max: 521.1Min: 516.9 / Avg: 519.23 / Max: 521.6Min: 515.4 / Avg: 516.9 / Max: 518.2Min: 515.1 / Avg: 516.4 / Max: 517.7Min: 513.2 / Avg: 513.73 / Max: 514.3Min: 511.6 / Avg: 514.43 / Max: 517.7

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19, Long Mode - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO21.07552.1513.22654.3025.3775SE +/- 0.05, N = 15SE +/- 0.00, N = 3SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.02, N = 3SE +/- 0.00, N = 3SE +/- 0.00, N = 34.782.021.981.982.051.992.031.97
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19, Long Mode - Compression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2246810Min: 4.6 / Avg: 4.78 / Max: 5.1Min: 2.02 / Avg: 2.02 / Max: 2.02Min: 1.96 / Avg: 1.98 / Max: 2.01Min: 1.96 / Avg: 1.98 / Max: 2Min: 2.02 / Avg: 2.05 / Max: 2.06Min: 1.96 / Avg: 1.99 / Max: 2.01Min: 2.02 / Avg: 2.03 / Max: 2.03Min: 1.96 / Avg: 1.97 / Max: 1.97

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19, Long Mode - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO2100200300400500SE +/- 0.35, N = 15SE +/- 0.22, N = 3SE +/- 1.07, N = 3SE +/- 1.42, N = 3SE +/- 1.20, N = 3SE +/- 1.10, N = 3SE +/- 0.07, N = 3SE +/- 0.35, N = 3453.9455.8454.5456.1452.9452.8451.6451.6
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19, Long Mode - Decompression SpeeddebugOptSimplO3OptSimplO2OptRedO2OptNoSimplO3OptNoSimplO2NoGVNO3NoGVNO280160240320400Min: 452.4 / Avg: 453.89 / Max: 457.4Min: 455.5 / Avg: 455.77 / Max: 456.2Min: 453.1 / Avg: 454.5 / Max: 456.6Min: 453.3 / Avg: 456.07 / Max: 458Min: 450.5 / Avg: 452.9 / Max: 454.2Min: 450.6 / Avg: 452.8 / Max: 454Min: 451.5 / Avg: 451.57 / Max: 451.7Min: 451 / Avg: 451.63 / Max: 452.2

Compression Level: 3

OptNoSimplO2: The test run did not produce a result.

OptNoSimplO3: The test run did not produce a result.

Compression Level: 8

OptNoSimplO2: The test run did not produce a result.

OptNoSimplO3: The test run did not produce a result.

Compression Level: 12

OptNoSimplO2: The test run did not produce a result.

OptNoSimplO3: The test run did not produce a result.

Compression Level: 19

OptNoSimplO2: The test run did not produce a result.

OptNoSimplO3: The test run did not produce a result.

Compression Level: 3, Long Mode

OptNoSimplO2: The test run did not produce a result.

OptNoSimplO3: The test run did not produce a result.

Compression Level: 8, Long Mode

OptNoSimplO2: The test run did not produce a result.

OptNoSimplO3: The test run did not produce a result.

Compression Level: 19, Long Mode

OptNoSimplO2: The test run did not produce a result.

OptNoSimplO3: The test run did not produce a result.

debug

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS=-O2 CFLAGS=-O2
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 14 July 2024 03:26 by user .

NoGVNO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 15 July 2024 06:46 by user .

NoGVNO3

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 256GB Samsung SSD 850 + 2000GB Western Digital WD20EARX-00P, Graphics: ASPEED, Audio: Realtek ALC898, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-467.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -disable-gvn=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 16 July 2024 00:43 by user .

OptNoSimplO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 18 July 2024 03:51 by user .

OptNoSimplO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 19 July 2024 05:54 by user .

OptSimplO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 22 July 2024 00:49 by user .

OptSimplO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true" CFLAGS="-O3 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=false -mllvm -enable-newgvn-pre=false -mllvm -enable-newgvn-simpl=true"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 22 July 2024 22:42 by user .

OptRedO2

Processor: 2 x Intel Xeon E5-2620 v2 @ 2.60GHz (12 Cores / 24 Threads), Motherboard: ASUS Z9PE-D8 WS (5503 BIOS), Chipset: Intel Xeon E7 v2/Xeon, Memory: 32GB, Disk: 2000GB Western Digital WD20EARX-00P + 256GB Samsung SSD 850, Graphics: ASPEED, Audio: Realtek ALC898, Monitor: ASUS VW190, Network: 2 x Intel 82574L

OS: CentOS Stream 9, Kernel: 5.14.0-474.el9.x86_64 (x86_64), Display Server: X Server, Display Driver: NVIDIA, Compiler: GCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2, File-System: ext4, Screen Resolution: 1024x768

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false" CFLAGS="-O2 -mllvm -enable-newgvn -mllvm -enable-phi-of-ops=true -mllvm -enable-newgvn-simpl=true -mllvm -enable-newgvn-pre=false"
Compiler Notes: Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686
Processor Notes: Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e
Security Notes: gather_data_sampling: Not affected + itlb_multihit: KVM: Mitigation of VMX disabled + l1tf: Mitigation of PTE Inversion; VMX: conditional cache flushes SMT vulnerable + mds: Mitigation of Clear buffers; SMT vulnerable + meltdown: Mitigation of PTI + mmio_stale_data: Unknown: No mitigations + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Not affected + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Retpolines; IBPB: conditional; IBRS_FW; STIBP: conditional; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 27 July 2024 16:34 by user .