fio-direct fio-direct-lowmem fio-direct: 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-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 Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 2887 |===================================================== fio-direct-lowmem . 2370 |============================================ Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 2885 |===================================================== fio-direct-lowmem . 2369 |============================================ Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 69.0 |================================================= fio-direct-lowmem . 74.3 |===================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 17680 |================================================ fio-direct-lowmem . 19037 |==================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 118.5 |==================================================== fio-direct-lowmem . 113.4 |================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 15171 |==================================================== fio-direct-lowmem . 14505 |================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 185.1 |==================================================== fio-direct-lowmem . 186.1 |==================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 11826 |==================================================== fio-direct-lowmem . 11907 |==================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 461 |==================================================== fio-direct-lowmem . 477 |====================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 7376 |=================================================== fio-direct-lowmem . 7624 |===================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 1102 |===================================================== fio-direct-lowmem . 1110 |===================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 1100 |===================================================== fio-direct-lowmem . 1108 |===================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 35.4 |===================================================== fio-direct-lowmem . 34.3 |=================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 9055 |===================================================== fio-direct-lowmem . 8769 |=================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 58.1 |================================================ fio-direct-lowmem . 64.7 |===================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 7436 |================================================ fio-direct-lowmem . 8282 |===================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 1161 |=============================================== fio-direct-lowmem . 1314 |===================================================== Flexible IO Tester 3.36 Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 4643 |=============================================== fio-direct-lowmem . 5256 |===================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 104 |================================================= fio-direct-lowmem . 115 |====================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 6647 |================================================ fio-direct-lowmem . 7353 |===================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 128 |================================================== fio-direct-lowmem . 137 |====================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 2056 |================================================== fio-direct-lowmem . 2189 |===================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 509 |====================================================== fio-direct-lowmem . 502 |===================================================== Flexible IO Tester 3.36 Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 2034 |===================================================== fio-direct-lowmem . 2006 |==================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 1819 |============================================= fio-direct-lowmem . 2145 |===================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 1817 |============================================= fio-direct-lowmem . 2144 |===================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 68.5 |==================================================== fio-direct-lowmem . 69.6 |===================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 17531 |=================================================== fio-direct-lowmem . 17810 |==================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 98.6 |===================================================== fio-direct-lowmem . 95.6 |=================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 12615 |==================================================== fio-direct-lowmem . 12267 |=================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 132 |====================================================== fio-direct-lowmem . 132 |====================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 8454 |===================================================== fio-direct-lowmem . 8422 |===================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 294 |====================================================== fio-direct-lowmem . 280 |=================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 4703 |===================================================== fio-direct-lowmem . 4470 |================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 668 |=================================================== fio-direct-lowmem . 705 |====================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 1MB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 667 |=================================================== fio-direct-lowmem . 703 |====================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 17.9 |===================================================== fio-direct-lowmem . 17.3 |=================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 4572 |===================================================== fio-direct-lowmem . 4418 |=================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 31.6 |===================================================== fio-direct-lowmem . 31.1 |==================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 8KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 4047 |===================================================== fio-direct-lowmem . 3977 |==================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 694 |====================================================== fio-direct-lowmem . 648 |================================================== Flexible IO Tester 3.36 Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 2776 |===================================================== fio-direct-lowmem . 2592 |================================================= Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 54.2 |===================================================== fio-direct-lowmem . 54.4 |===================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 16KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 3468 |===================================================== fio-direct-lowmem . 3478 |===================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 56.8 |===================================================== fio-direct-lowmem . 56.7 |===================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 64KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 908 |====================================================== fio-direct-lowmem . 905 |====================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directory MB/s > Higher Is Better fio-direct ........ 235 |==================================================== fio-direct-lowmem . 244 |====================================================== Flexible IO Tester 3.36 Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 256KB - Job Count: 1 - Disk Target: Default Test Directory IOPS > Higher Is Better fio-direct ........ 940 |==================================================== fio-direct-lowmem . 975 |======================================================