fio1
Intel Core i5-4460 testing with a Mouse Z97-S01 v1.0 (V2.0B5 BIOS) and MSI Intel Xeon E3-1200 v3/4th Gen Core IGP on Ubuntu 20.04 via the Phoronix Test Suite.


bcachefs replicas=3: 

	Processor: Intel Core i5-4460 @ 3.40GHz (4 Cores), Motherboard: Mouse Z97-S01 v1.0 (V2.0B5 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 2 x 8192 MB DDR3-1600MT/s, Disk: 2 x 1000GB TOSHIBA DT01ACA1 + 500GB SAMSUNG HD501LJ + 120GB Western Digital WDS120G1G0A-, Graphics: MSI Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: 4 x Intel 10-Gigabit X540-AT2 + Realtek RTL8111/8168/8411

	OS: Ubuntu 20.04, Kernel: 6.7.3 (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.13, Vulkan: 1.2.182, Compiler: GCC 9.4.0, File-System: BcacheFS

bcachefs replicas=2: 

	Processor: Intel Core i5-4460 @ 3.40GHz (4 Cores), Motherboard: Mouse Z97-S01 v1.0 (V2.0B5 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 2 x 8192 MB DDR3-1600MT/s, Disk: 2 x 1000GB TOSHIBA DT01ACA1 + 500GB SAMSUNG HD501LJ + 120GB Western Digital WDS120G1G0A-, Graphics: MSI Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: 4 x Intel 10-Gigabit X540-AT2 + Realtek RTL8111/8168/8411

	OS: Ubuntu 20.04, Kernel: 6.7.3 (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.13, Vulkan: 1.2.182, Compiler: GCC 9.4.0, File-System: BcacheFS

bcachefs replicas=1: 

	Processor: Intel Core i5-4460 @ 3.40GHz (4 Cores), Motherboard: Mouse Z97-S01 v1.0 (V2.0B5 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 2 x 8192 MB DDR3-1600MT/s, Disk: 2 x 1000GB TOSHIBA DT01ACA1 + 500GB SAMSUNG HD501LJ + 120GB Western Digital WDS120G1G0A-, Graphics: MSI Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: 4 x Intel 10-Gigabit X540-AT2 + Realtek RTL8111/8168/8411

	OS: Ubuntu 20.04, Kernel: 6.7.3 (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.13, Vulkan: 1.2.182, Compiler: GCC 9.4.0, File-System: BcacheFS

ext4+lvmcache tentative: 

	Processor: Intel Core i5-4460 @ 3.40GHz (4 Cores), Motherboard: Mouse Z97-S01 v1.0 (V2.0B5 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 2 x 8192 MB DDR3-1600MT/s, Disk: 2 x 1000GB TOSHIBA DT01ACA1 + 500GB SAMSUNG HD501LJ + 120GB Western Digital WDS120G1G0A-, Graphics: MSI Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: 4 x Intel 10-Gigabit X540-AT2 + Realtek RTL8111/8168/8411

	OS: Ubuntu 20.04, Kernel: 6.7.3 (x86_64), Desktop: GNOME Shell 3.36.9, Display Server: X Server 1.20.13, Vulkan: 1.2.182, Compiler: GCC 9.4.0, File-System: ext4


Flexible IO Tester 3.36
Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 4 - Disk Target: Default Test Directory
MB/s > Higher Is Better
bcachefs replicas=3 ..... 2.218 |==============================================
bcachefs replicas=2 ..... 1.686 |===================================
bcachefs replicas=1 ..... 0.818 |=================
ext4+lvmcache tentative . 0.774 |================


Flexible IO Tester 3.36
Type: Random Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 4 - Disk Target: Default Test Directory
IOPS > Higher Is Better
bcachefs replicas=3 ..... 553 |================================================
bcachefs replicas=2 ..... 420 |====================================
bcachefs replicas=1 ..... 203 |==================
ext4+lvmcache tentative . 192 |=================


Flexible IO Tester 3.36
Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 4 - Disk Target: Default Test Directory
MB/s > Higher Is Better
bcachefs replicas=3 ..... 7.361  |=======
bcachefs replicas=2 ..... 10.292 |==========
bcachefs replicas=1 ..... 47.800 |=============================================
ext4+lvmcache tentative . 0.437  |


Flexible IO Tester 3.36
Type: Random Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 4 - Disk Target: Default Test Directory
IOPS > Higher Is Better
bcachefs replicas=3 ..... 1839  |=======
bcachefs replicas=2 ..... 2617  |==========
bcachefs replicas=1 ..... 12233 |==============================================
ext4+lvmcache tentative . 108   |


Flexible IO Tester 3.36
Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 4 - Disk Target: Default Test Directory
MB/s > Higher Is Better
bcachefs replicas=3 ..... 5.957  |========
bcachefs replicas=2 ..... 7.319  |==========
bcachefs replicas=1 ..... 7.195  |==========
ext4+lvmcache tentative . 33.800 |=============================================


Flexible IO Tester 3.36
Type: Sequential Read - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 4 - Disk Target: Default Test Directory
IOPS > Higher Is Better
bcachefs replicas=3 ..... 1488 |========
bcachefs replicas=2 ..... 1828 |==========
bcachefs replicas=1 ..... 1797 |==========
ext4+lvmcache tentative . 8637 |===============================================


Flexible IO Tester 3.36
Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 4 - Disk Target: Default Test Directory
MB/s > Higher Is Better
bcachefs replicas=3 ..... 7.271  |=====
bcachefs replicas=2 ..... 9.813  |=======
bcachefs replicas=1 ..... 65.300 |=============================================
ext4+lvmcache tentative . 36.700 |=========================


Flexible IO Tester 3.36
Type: Sequential Write - Engine: IO_uring - Direct: Yes - Block Size: 4KB - Job Count: 4 - Disk Target: Default Test Directory
IOPS > Higher Is Better
bcachefs replicas=3 ..... 1816  |=====
bcachefs replicas=2 ..... 2452  |=======
bcachefs replicas=1 ..... 16700 |==============================================
ext4+lvmcache tentative . 9382  |==========================