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 2405027-NE-COMPRESSZ44
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NewGVNTrunkO2
April 29
  1 Hour
NewGVNTrunkO3
April 30
  1 Hour
NoGVNTrunkO2
May 01
  1 Hour
NoGVNTrunkO3
May 02
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NewGVNTrunkO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn" CFLAGS="-O2 -mllvm -enable-newgvn"
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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

NewGVNTrunkO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn" CFLAGS="-O3 -mllvm -enable-newgvn"
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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

NoGVNTrunkO2

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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

NoGVNTrunkO3

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: 5.14.0-437.el9.x86_64 (x86_64), Display Server: X Server, 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 CFLAGS=-O3
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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

compress-zstd-1.6.0runOpenBenchmarking.orgPhoronix Test Suite2 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 95.14.0-437.el9.x86_64 (x86_64)X ServerGCC 11.4.1 20231218 + PGI Compiler 16.10-0 + LLVM 3.1 + CUDA 11.2ext41024x768ProcessorMotherboardChipsetMemoryDiskGraphicsAudioNetworkOSKernelDisplay ServerCompilerFile-SystemScreen ResolutionCompress-zstd-1.6.0run BenchmarksSystem Logs- Transparent Huge Pages: always- NewGVNTrunkO2: CXXFLAGS="-O2 -mllvm -enable-newgvn" CFLAGS="-O2 -mllvm -enable-newgvn"- NewGVNTrunkO3: CXXFLAGS="-O3 -mllvm -enable-newgvn" CFLAGS="-O3 -mllvm -enable-newgvn"- NoGVNTrunkO2: CXXFLAGS=-O2 CFLAGS=-O2- NoGVNTrunkO3: CXXFLAGS=-O3 CFLAGS=-O3- Optimized build with assertions; Built Apr 11 2013 (07:43:48); Default target: i386-pc-linux-gnu; Host CPU: i686 - Scaling Governor: intel_cpufreq conservative - CPU Microcode: 0x42e- 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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

NewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3Result OverviewPhoronix Test Suite100%101%102%102%Zstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd CompressionZstd Compression19, Long Mode - Compression Speed19 - Compression Speed3, Long Mode - Compression Speed8 - Compression Speed12 - Compression Speed19 - D.S8, Long Mode - Compression Speed8 - D.S19, Long Mode - D.S8, Long Mode - D.S3 - D.S3 - Compression Speed12 - D.S3, Long Mode - D.S

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 SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3134.6500.542.3518.817.6499.32.11460.6110.4506.940.8517.42.00453.9134.9500.642.2519.617.5499.22.11458.0111.7506.940.9516.72.01453.1135.0499.042.2517.917.6499.62.11459.5110.3506.540.9516.22.02454.8134.8499.641.8517.417.7498.72.15458.0110.9506.741.0515.72.06453.1OpenBenchmarking.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 SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3306090120150SE +/- 0.72, N = 3SE +/- 0.09, N = 3SE +/- 0.65, N = 3SE +/- 0.67, N = 3134.6134.9135.0134.8
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3 - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3306090120150Min: 133.7 / Avg: 134.57 / Max: 136Min: 134.8 / Avg: 134.93 / Max: 135.1Min: 134.3 / Avg: 135 / Max: 136.3Min: 133.5 / Avg: 134.77 / Max: 135.8

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3 - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3110220330440550SE +/- 0.37, N = 3SE +/- 0.38, N = 3SE +/- 0.45, N = 3SE +/- 0.63, N = 3500.5500.6499.0499.6
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3 - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO390180270360450Min: 500 / Avg: 500.47 / Max: 501.2Min: 500 / Avg: 500.63 / Max: 501.3Min: 498.1 / Avg: 499 / Max: 499.5Min: 498.3 / Avg: 499.57 / Max: 500.2

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8 - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO31020304050SE +/- 0.03, N = 3SE +/- 0.12, N = 3SE +/- 0.09, N = 3SE +/- 0.42, N = 342.342.242.241.8
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8 - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3918273645Min: 42.2 / Avg: 42.27 / Max: 42.3Min: 42 / Avg: 42.17 / Max: 42.4Min: 42 / Avg: 42.17 / Max: 42.3Min: 41 / Avg: 41.83 / Max: 42.3

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8 - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3110220330440550SE +/- 0.85, N = 3SE +/- 1.17, N = 3SE +/- 0.78, N = 3SE +/- 1.00, N = 3518.8519.6517.9517.4
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8 - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO390180270360450Min: 517.7 / Avg: 518.83 / Max: 520.5Min: 517.3 / Avg: 519.63 / Max: 520.9Min: 516.9 / Avg: 517.87 / Max: 519.4Min: 516.1 / Avg: 517.43 / Max: 519.4

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 12 - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO348121620SE +/- 0.00, N = 3SE +/- 0.03, N = 3SE +/- 0.09, N = 3SE +/- 0.06, N = 317.617.517.617.7
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 12 - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO348121620Min: 17.6 / Avg: 17.6 / Max: 17.6Min: 17.5 / Avg: 17.53 / Max: 17.6Min: 17.5 / Avg: 17.63 / Max: 17.8Min: 17.6 / Avg: 17.7 / Max: 17.8

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 12 - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3110220330440550SE +/- 0.24, N = 3SE +/- 0.37, N = 3SE +/- 0.60, N = 3SE +/- 0.69, N = 3499.3499.2499.6498.7
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 12 - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO390180270360450Min: 499 / Avg: 499.33 / Max: 499.8Min: 498.5 / Avg: 499.23 / Max: 499.7Min: 498.9 / Avg: 499.6 / Max: 500.8Min: 497.5 / Avg: 498.67 / Max: 499.9

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19 - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO30.48380.96761.45141.93522.419SE +/- 0.02, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.01, N = 32.112.112.112.15
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19 - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3246810Min: 2.08 / Avg: 2.11 / Max: 2.13Min: 2.1 / Avg: 2.11 / Max: 2.13Min: 2.09 / Avg: 2.11 / Max: 2.13Min: 2.14 / Avg: 2.15 / Max: 2.18

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19 - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3100200300400500SE +/- 0.93, N = 3SE +/- 0.79, N = 3SE +/- 0.79, N = 3SE +/- 0.67, N = 3460.6458.0459.5458.0
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19 - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO380160240320400Min: 458.8 / Avg: 460.63 / Max: 461.8Min: 457.1 / Avg: 458.03 / Max: 459.6Min: 458.3 / Avg: 459.5 / Max: 461Min: 457.1 / Avg: 458 / Max: 459.3

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3, Long Mode - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3306090120150SE +/- 0.03, N = 3SE +/- 0.13, N = 3SE +/- 0.15, N = 3SE +/- 0.03, N = 3110.4111.7110.3110.9
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3, Long Mode - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO320406080100Min: 110.4 / Avg: 110.43 / Max: 110.5Min: 111.6 / Avg: 111.73 / Max: 112Min: 110.1 / Avg: 110.33 / Max: 110.6Min: 110.8 / Avg: 110.87 / Max: 110.9

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3, Long Mode - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3110220330440550SE +/- 0.44, N = 3SE +/- 0.66, N = 3SE +/- 0.57, N = 3SE +/- 0.43, N = 3506.9506.9506.5506.7
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 3, Long Mode - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO390180270360450Min: 506.1 / Avg: 506.9 / Max: 507.6Min: 505.8 / Avg: 506.93 / Max: 508.1Min: 505.8 / Avg: 506.47 / Max: 507.6Min: 505.9 / Avg: 506.73 / Max: 507.3

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8, Long Mode - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3918273645SE +/- 0.07, N = 3SE +/- 0.09, N = 3SE +/- 0.03, N = 3SE +/- 0.09, N = 340.840.940.941.0
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8, Long Mode - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3918273645Min: 40.7 / Avg: 40.77 / Max: 40.9Min: 40.7 / Avg: 40.87 / Max: 41Min: 40.8 / Avg: 40.87 / Max: 40.9Min: 40.9 / Avg: 41.03 / Max: 41.2

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8, Long Mode - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3110220330440550SE +/- 0.84, N = 3SE +/- 0.52, N = 3SE +/- 0.49, N = 3SE +/- 0.44, N = 3517.4516.7516.2515.7
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 8, Long Mode - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO390180270360450Min: 516 / Avg: 517.37 / Max: 518.9Min: 516.1 / Avg: 516.67 / Max: 517.7Min: 515.3 / Avg: 516.2 / Max: 517Min: 515 / Avg: 515.7 / Max: 516.5

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19, Long Mode - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO30.46350.9271.39051.8542.3175SE +/- 0.01, N = 3SE +/- 0.01, N = 3SE +/- 0.00, N = 3SE +/- 0.01, N = 32.002.012.022.06
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19, Long Mode - Compression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3246810Min: 1.99 / Avg: 2 / Max: 2.02Min: 2 / Avg: 2.01 / Max: 2.03Min: 2.02 / Avg: 2.02 / Max: 2.02Min: 2.03 / Avg: 2.06 / Max: 2.07

OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19, Long Mode - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO3100200300400500SE +/- 0.47, N = 3SE +/- 0.56, N = 3SE +/- 0.29, N = 3SE +/- 0.60, N = 3453.9453.1454.8453.1
OpenBenchmarking.orgMB/s, More Is BetterZstd Compression 1.5.4Compression Level: 19, Long Mode - Decompression SpeedNewGVNTrunkO2NewGVNTrunkO3NoGVNTrunkO2NoGVNTrunkO380160240320400Min: 453.3 / Avg: 453.87 / Max: 454.8Min: 452.4 / Avg: 453.1 / Max: 454.2Min: 454.3 / Avg: 454.8 / Max: 455.3Min: 451.9 / Avg: 453.07 / Max: 453.9

NewGVNTrunkO2

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O2 -mllvm -enable-newgvn" CFLAGS="-O2 -mllvm -enable-newgvn"
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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 29 April 2024 16:16 by user .

NewGVNTrunkO3

Kernel Notes: Transparent Huge Pages: always
Environment Notes: CXXFLAGS="-O3 -mllvm -enable-newgvn" CFLAGS="-O3 -mllvm -enable-newgvn"
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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 30 April 2024 20:48 by user .

NoGVNTrunkO2

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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 1 May 2024 21:19 by user .

NoGVNTrunkO3

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: 5.14.0-437.el9.x86_64 (x86_64), Display Server: X Server, 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 CFLAGS=-O3
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 + 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 + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 2 May 2024 20:35 by user .