fio-direct

fio-direct-lowmem

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fio-direct
December 31 2024
  10 Hours, 18 Minutes
fio-direct-lowmem
January 03
  9 Hours, 18 Minutes
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  9 Hours, 48 Minutes
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fio-direct

Kernel Notes: Transparent Huge Pages: madvise
Compiler Notes: --build=x86_64-unknown-linux-gnu --disable-bootstrap --disable-libcc1 --disable-libstdcxx-pch --disable-multilib --enable-languages=c,c++ --enable-lto --enable-plugin --enable-static --host=x86_64-unknown-linux-gnu --program-prefix= --target=x86_64-unknown-linux-gnu --with-build-sysroot=/ --with-gmp-include=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-gmp-6.3.0-dev/include --with-gmp-lib=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-gmp-6.3.0/lib --with-mpc=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-libmpc-1.3.1 --with-mpfr-include=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-mpfr-4.2.1-dev/include --with-mpfr-lib=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-mpfr-4.2.1/lib --with-native-system-header-dir=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-glibc-2.40-36-dev/include
Processor Notes: CPU Microcode: 0xa101248
Disk Mount Options Notes: relatime,rw
Disk Details Notes: Block Size: 4096
Security Notes: gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Vulnerable: Safe RET no microcode + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced / Automatic IBRS; IBPB: conditional; STIBP: disabled; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

fio-direct-lowmem

Processor: AMD EPYC 9684X 96-Core (16 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org BIOS), Memory: 64GB, Disk: 252GB, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor

OS: NixOS 25.05, Kernel: 6.6.63 (x86_64), Compiler: GCC 13.3.0, File-System: ext4, Screen Resolution: 1280x800, System Layer: KVM

fio-directOpenBenchmarking.orgPhoronix Test SuiteAMD EPYC 9684X 96-Core (16 Cores)QEMU Standard PC (i440FX + PIIX 1996) (rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org BIOS)64GB252GBbochs-drmdrmfbQEMU MonitorNixOS 25.056.6.63 (x86_64)GCC 13.3.0ext41280x800KVMProcessorMotherboardMemoryDiskGraphicsMonitorOSKernelCompilerFile-SystemScreen ResolutionSystem LayerFio-direct BenchmarksSystem Logs- Transparent Huge Pages: madvise- --build=x86_64-unknown-linux-gnu --disable-bootstrap --disable-libcc1 --disable-libstdcxx-pch --disable-multilib --enable-languages=c,c++ --enable-lto --enable-plugin --enable-static --host=x86_64-unknown-linux-gnu --program-prefix= --target=x86_64-unknown-linux-gnu --with-build-sysroot=/ --with-gmp-include=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-gmp-6.3.0-dev/include --with-gmp-lib=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-gmp-6.3.0/lib --with-mpc=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-libmpc-1.3.1 --with-mpfr-include=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-mpfr-4.2.1-dev/include --with-mpfr-lib=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-mpfr-4.2.1/lib --with-native-system-header-dir=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-glibc-2.40-36-dev/include - CPU Microcode: 0xa101248- relatime,rw- Block Size: 4096- gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Vulnerable: Safe RET no microcode + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced / Automatic IBRS; IBPB: conditional; STIBP: disabled; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

fio-direct vs. fio-direct-lowmem ComparisonPhoronix Test SuiteBaseline+5.5%+5.5%+11%+11%+16.5%+16.5%18%17.9%13.2%13.2%11.4%11.4%10.6%10.6%7.7%7.7%7%6.5%5.5%5.4%3.8%3.7%3.5%3.4%Rand Read - IO_uring - Yes - 1MB - 121.8%Rand Read - IO_uring - Yes - 1MB - 121.8%Seq Read - IO_uring - Yes - 1MB - 1Seq Read - IO_uring - Yes - 1MB - 1Rand Read - IO_uring - Yes - 256KB - 1Rand Read - IO_uring - Yes - 256KB - 1Rand Write - IO_uring - Yes - 8KB - 1Rand Write - IO_uring - Yes - 8KB - 1Rand Write - IO_uring - Yes - 16KB - 1Rand Write - IO_uring - Yes - 16KB - 1Rand Read - IO_uring - Yes - 4KB - 1Rand Read - IO_uring - Yes - 4KB - 1Seq Read - IO_uring - Yes - 256KB - 17.1%Seq Read - IO_uring - Yes - 256KB - 17.1%Rand Write - IO_uring - Yes - 64KB - 1Rand Write - IO_uring - Yes - 64KB - 1Seq Write - IO_uring - Yes - 1MB - 1Seq Write - IO_uring - Yes - 1MB - 1Seq Read - IO_uring - Yes - 64KB - 15.2%Seq Read - IO_uring - Yes - 64KB - 15%Rand Read - IO_uring - Yes - 8KB - 14.6%Rand Read - IO_uring - Yes - 8KB - 14.5%Seq Write - IO_uring - Yes - 256KB - 1Seq Write - IO_uring - Yes - 256KB - 1Seq Write - IO_uring - Yes - 4KB - 13.5%Rand Read - IO_uring - Yes - 64KB - 1Seq Write - IO_uring - Yes - 4KB - 13.5%Rand Read - IO_uring - Yes - 64KB - 1Rand Write - IO_uring - Yes - 4KB - 13.3%Rand Write - IO_uring - Yes - 4KB - 13.2%Seq Read - IO_uring - Yes - 8KB - 13.1%Seq Read - IO_uring - Yes - 8KB - 12.8%Flexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO TesterFlexible IO Testerfio-directfio-direct-lowmem

fio-directfio: Rand Read - IO_uring - Yes - 4KB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 4KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 1MB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 1MB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 8KB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 8KB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 16KB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 16KB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 64KB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 64KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 64KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 64KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 16KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 16KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 4KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 4KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 1MB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 1MB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 64KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 64KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 64KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 64KB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 256KB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 256KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 8KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 8KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 8KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 8KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 4KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 4KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 256KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 256KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 16KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 16KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 256KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 256KB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 1MB - 1 - Default Test Directoryfio: Seq Read - IO_uring - Yes - 1MB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 1MB - 1 - Default Test Directoryfio: Rand Read - IO_uring - Yes - 1MB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 256KB - 1 - Default Test Directoryfio: Rand Write - IO_uring - Yes - 256KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 16KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 16KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 4KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 4KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 8KB - 1 - Default Test Directoryfio: Seq Write - IO_uring - Yes - 8KB - 1 - Default Test Directoryfio-directfio-direct-lowmem1768069.066766815171118.511826185.17376461470329484541321753168.511001102205612890856.8464311611261598.6743658.1905535.42776694664710494023518171819288528872034509346854.2457217.9404731.61903774.370370514505113.411907186.17624477447028084221321781069.611081110218913790556.7525613141226795.6828264.7876934.32592648735311597524421442145236923702006502347854.4441817.3397731.1OpenBenchmarking.org

Flexible IO Tester

FIO, the Flexible I/O Tester, is an advanced Linux disk benchmark supporting multiple I/O engines and a wealth of options. FIO was written by Jens Axboe for testing of the Linux I/O subsystem and schedulers. Learn more via the OpenBenchmarking.org test page.

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct4K8K12K16K20KSE +/- 1714.40, N = 15SE +/- 1219.21, N = 1519037176801. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct1632486480SE +/- 6.69, N = 15SE +/- 4.76, N = 1574.369.01. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct150300450600750SE +/- 9.76, N = 15SE +/- 6.01, N = 157036671. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct150300450600750SE +/- 9.72, N = 15SE +/- 5.99, N = 157056681. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem3K6K9K12K15KSE +/- 853.27, N = 15SE +/- 1005.96, N = 1515171145051. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem306090120150SE +/- 6.66, N = 15SE +/- 7.87, N = 15118.5113.41. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct3K6K9K12K15KSE +/- 478.60, N = 15SE +/- 472.03, N = 1511907118261. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct4080120160200SE +/- 7.49, N = 15SE +/- 7.42, N = 15186.1185.11. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct16003200480064008000SE +/- 132.50, N = 15SE +/- 149.64, N = 15762473761. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct100200300400500SE +/- 8.27, N = 15SE +/- 9.36, N = 154774611. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem10002000300040005000SE +/- 52.85, N = 15SE +/- 46.68, N = 15470344701. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem60120180240300SE +/- 3.29, N = 15SE +/- 2.93, N = 152942801. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem2K4K6K8K10KSE +/- 85.08, N = 15SE +/- 114.30, N = 15845484221. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct306090120150SE +/- 1.79, N = 15SE +/- 1.30, N = 151321321. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct4K8K12K16K20KSE +/- 1021.86, N = 15SE +/- 1005.84, N = 1517810175311. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct1530456075SE +/- 3.99, N = 15SE +/- 3.93, N = 1569.668.51. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct2004006008001000SE +/- 8.93, N = 15SE +/- 14.00, N = 3110811001. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct2004006008001000SE +/- 8.96, N = 15SE +/- 13.96, N = 3111011021. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct5001000150020002500SE +/- 14.52, N = 3SE +/- 22.22, N = 15218920561. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct306090120150SE +/- 0.88, N = 3SE +/- 1.38, N = 151371281. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem2004006008001000SE +/- 3.84, N = 3SE +/- 10.19, N = 159089051. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem1326395265SE +/- 0.24, N = 3SE +/- 0.64, N = 1556.856.71. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct11002200330044005500SE +/- 30.75, N = 3SE +/- 36.53, N = 13525646431. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct30060090012001500SE +/- 7.69, N = 3SE +/- 9.10, N = 13131411611. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem3K6K9K12K15KSE +/- 89.76, N = 13SE +/- 66.67, N = 312615122671. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem20406080100SE +/- 0.67, N = 13SE +/- 0.67, N = 398.695.61. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct2K4K6K8K10KSE +/- 65.97, N = 3SE +/- 233.37, N = 12828274361. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct1428425670SE +/- 0.50, N = 3SE +/- 1.83, N = 1264.758.11. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem2K4K6K8K10KSE +/- 68.24, N = 11SE +/- 35.05, N = 3905587691. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem816243240SE +/- 0.27, N = 11SE +/- 0.13, N = 335.434.31. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem6001200180024003000SE +/- 34.40, N = 3SE +/- 24.29, N = 7277625921. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem150300450600750SE +/- 8.67, N = 3SE +/- 6.04, N = 76946481. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct16003200480064008000SE +/- 108.51, N = 3SE +/- 47.03, N = 3735366471. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct306090120150SE +/- 1.53, N = 3SE +/- 0.88, N = 31151041. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct2004006008001000SE +/- 6.56, N = 3SE +/- 4.37, N = 39759401. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct50100150200250SE +/- 1.53, N = 3SE +/- 1.20, N = 32442351. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct5001000150020002500SE +/- 12.86, N = 3SE +/- 8.14, N = 3214418171. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct5001000150020002500SE +/- 12.68, N = 3SE +/- 8.14, N = 3214518191. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem6001200180024003000SE +/- 3.18, N = 3SE +/- 4.93, N = 3288523691. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem6001200180024003000SE +/- 2.89, N = 3SE +/- 4.63, N = 3288723701. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem400800120016002000SE +/- 13.37, N = 3SE +/- 21.36, N = 3203420061. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem110220330440550SE +/- 3.28, N = 3SE +/- 5.20, N = 35095021. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct7001400210028003500SE +/- 28.54, N = 3SE +/- 34.26, N = 3347834681. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directoryfio-direct-lowmemfio-direct1224364860SE +/- 0.44, N = 3SE +/- 0.55, N = 354.454.21. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem10002000300040005000SE +/- 24.83, N = 3SE +/- 6.77, N = 3457244181. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem48121620SE +/- 0.09, N = 3SE +/- 0.03, N = 317.917.31. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgIOPS, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem9001800270036004500SE +/- 6.36, N = 3SE +/- 35.68, N = 3404739771. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

OpenBenchmarking.orgMB/s, More Is BetterFlexible IO Tester 3.36Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directoryfio-directfio-direct-lowmem714212835SE +/- 0.03, N = 3SE +/- 0.27, N = 331.631.11. (CC) gcc options: -rdynamic -lm -lpthread -ldl -std=gnu99 -ffast-math -include -O3 -fcommon -march=native

48 Results Shown

Flexible IO Tester:
  Rand Read - IO_uring - Yes - 4KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Write - IO_uring - Yes - 1MB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Read - IO_uring - Yes - 8KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Read - IO_uring - Yes - 16KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Read - IO_uring - Yes - 64KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Read - IO_uring - Yes - 64KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Read - IO_uring - Yes - 16KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Read - IO_uring - Yes - 4KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Write - IO_uring - Yes - 1MB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Write - IO_uring - Yes - 64KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Write - IO_uring - Yes - 64KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Read - IO_uring - Yes - 256KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Read - IO_uring - Yes - 8KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Write - IO_uring - Yes - 8KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Write - IO_uring - Yes - 4KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Read - IO_uring - Yes - 256KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Write - IO_uring - Yes - 16KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Write - IO_uring - Yes - 256KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Read - IO_uring - Yes - 1MB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Read - IO_uring - Yes - 1MB - 1 - Default Test Directory:
    IOPS
    MB/s
  Rand Write - IO_uring - Yes - 256KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Write - IO_uring - Yes - 16KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Write - IO_uring - Yes - 4KB - 1 - Default Test Directory:
    IOPS
    MB/s
  Seq Write - IO_uring - Yes - 8KB - 1 - Default Test Directory:
    IOPS
    MB/s

fio-direct

Kernel Notes: Transparent Huge Pages: madvise
Compiler Notes: --build=x86_64-unknown-linux-gnu --disable-bootstrap --disable-libcc1 --disable-libstdcxx-pch --disable-multilib --enable-languages=c,c++ --enable-lto --enable-plugin --enable-static --host=x86_64-unknown-linux-gnu --program-prefix= --target=x86_64-unknown-linux-gnu --with-build-sysroot=/ --with-gmp-include=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-gmp-6.3.0-dev/include --with-gmp-lib=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-gmp-6.3.0/lib --with-mpc=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-libmpc-1.3.1 --with-mpfr-include=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-mpfr-4.2.1-dev/include --with-mpfr-lib=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-mpfr-4.2.1/lib --with-native-system-header-dir=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-glibc-2.40-36-dev/include
Processor Notes: CPU Microcode: 0xa101248
Disk Mount Options Notes: relatime,rw
Disk Details Notes: Block Size: 4096
Security Notes: gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Vulnerable: Safe RET no microcode + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced / Automatic IBRS; IBPB: conditional; STIBP: disabled; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 31 December 2024 08:45 by user root.

fio-direct-lowmem

Processor: AMD EPYC 9684X 96-Core (16 Cores), Motherboard: QEMU Standard PC (i440FX + PIIX 1996) (rel-1.16.2-0-gea1b7a073390-prebuilt.qemu.org BIOS), Memory: 64GB, Disk: 252GB, Graphics: bochs-drmdrmfb, Monitor: QEMU Monitor

OS: NixOS 25.05, Kernel: 6.6.63 (x86_64), Compiler: GCC 13.3.0, File-System: ext4, Screen Resolution: 1280x800, System Layer: KVM

Kernel Notes: Transparent Huge Pages: madvise
Compiler Notes: --build=x86_64-unknown-linux-gnu --disable-bootstrap --disable-libcc1 --disable-libstdcxx-pch --disable-multilib --enable-languages=c,c++ --enable-lto --enable-plugin --enable-static --host=x86_64-unknown-linux-gnu --program-prefix= --target=x86_64-unknown-linux-gnu --with-build-sysroot=/ --with-gmp-include=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-gmp-6.3.0-dev/include --with-gmp-lib=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-gmp-6.3.0/lib --with-mpc=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-libmpc-1.3.1 --with-mpfr-include=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-mpfr-4.2.1-dev/include --with-mpfr-lib=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-mpfr-4.2.1/lib --with-native-system-header-dir=/nix/store/eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee-glibc-2.40-36-dev/include
Processor Notes: CPU Microcode: 0xa101248
Disk Mount Options Notes: relatime,rw
Disk Details Notes: Block Size: 4096
Security Notes: gather_data_sampling: Not affected + itlb_multihit: Not affected + l1tf: Not affected + mds: Not affected + meltdown: Not affected + mmio_stale_data: Not affected + reg_file_data_sampling: Not affected + retbleed: Not affected + spec_rstack_overflow: Vulnerable: Safe RET no microcode + spec_store_bypass: Mitigation of SSB disabled via prctl + spectre_v1: Mitigation of usercopy/swapgs barriers and __user pointer sanitization + spectre_v2: Mitigation of Enhanced / Automatic IBRS; IBPB: conditional; STIBP: disabled; RSB filling; PBRSB-eIBRS: Not affected; BHI: Not affected + srbds: Not affected + tsx_async_abort: Not affected

Testing initiated at 3 January 2025 07:22 by user root.