Linux 3.18 Disk Test SSD Running pts/fio-1.7.1, pts/postmark-1.1.0 via the Phoronix Test Suite. Btrfs: Linux 3.17: Processor: Intel Core i7-4770K @ 3.90GHz (8 Cores), Motherboard: Gigabyte Z97-HD3, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 120GB INTEL SSDSC2BW12 + 150GB Western Digital WD1500HLHX-0, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: DELL S2409W, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.10, Kernel: 3.17.0-031700-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.0, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 1920x1080 Btrfs: Linux 3.18 Git: Processor: Intel Core i7-4770K @ 3.90GHz (8 Cores), Motherboard: Gigabyte Z97-HD3, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 120GB INTEL SSDSC2BW12 + 150GB Western Digital WD1500HLHX-0, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: DELL S2409W, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.10, Kernel: 3.18.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.0, Compiler: GCC 4.9.1, File-System: btrfs, Screen Resolution: 1920x1080 XFS: Linux 3.17: Processor: Intel Core i7-4770K @ 3.90GHz (8 Cores), Motherboard: Gigabyte Z97-HD3, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 120GB INTEL SSDSC2BW12 + 150GB Western Digital WD1500HLHX-0, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: DELL S2409W, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.10, Kernel: 3.17.0-031700-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.0, Compiler: GCC 4.9.1, File-System: xfs, Screen Resolution: 1920x1080 XFS: Linux 3.18 Git: Processor: Intel Core i7-4770K @ 3.90GHz (8 Cores), Motherboard: Gigabyte Z97-HD3, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 120GB INTEL SSDSC2BW12 + 150GB Western Digital WD1500HLHX-0, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: DELL S2409W, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.10, Kernel: 3.18.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.0, Compiler: GCC 4.9.1, File-System: xfs, Screen Resolution: 1920x1080 EXT4: Linux 3.17: Processor: Intel Core i7-4770K @ 3.90GHz (8 Cores), Motherboard: Gigabyte Z97-HD3, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 120GB INTEL SSDSC2BW12 + 150GB Western Digital WD1500HLHX-0, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: DELL S2409W, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.10, Kernel: 3.17.0-031700-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.0, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 1920x1080 EXT4: Linux 3.18 Git: Processor: Intel Core i7-4770K @ 3.90GHz (8 Cores), Motherboard: Gigabyte Z97-HD3, Chipset: Intel 4th Gen Core DRAM, Memory: 8192MB, Disk: 120GB INTEL SSDSC2BW12 + 150GB Western Digital WD1500HLHX-0, Graphics: Intel HD 4600 (1250MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: DELL S2409W, Network: Realtek RTL8111/8168/8411 OS: Ubuntu 14.10, Kernel: 3.18.0-999-generic (x86_64), Desktop: Unity 7.3.1, Display Server: X Server 1.16.0, Display Driver: intel 2.99.914, OpenGL: 3.3 Mesa 10.3.0, Compiler: GCC 4.9.1, File-System: ext4, Screen Resolution: 1920x1080 Flexible IO Tester 2.1.13 Type: Sequential Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 16KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Btrfs: Linux 3.17 ..... 70.48 |============================= Btrfs: Linux 3.18 Git . 70.62 |============================= XFS: Linux 3.17 ....... 111.35 |============================================== XFS: Linux 3.18 Git ... 113.31 |=============================================== EXT4: Linux 3.17 ...... 110.99 |============================================== EXT4: Linux 3.18 Git .. 114.12 |=============================================== Flexible IO Tester 2.1.13 Type: Random Read - IO Engine: POSIX AIO - Buffered: No - Block Size: 16KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Btrfs: Linux 3.17 ..... 69.81 |========================================== Btrfs: Linux 3.18 Git . 71.94 |=========================================== XFS: Linux 3.17 ....... 77.52 |=============================================== XFS: Linux 3.18 Git ... 79.78 |================================================ EXT4: Linux 3.17 ...... 73.20 |============================================ EXT4: Linux 3.18 Git .. 72.77 |============================================ Flexible IO Tester 2.1.13 Type: Sequential Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 16KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Btrfs: Linux 3.17 ..... 110.69 |========================================= Btrfs: Linux 3.18 Git . 113.22 |========================================== XFS: Linux 3.17 ....... 117.00 |============================================ XFS: Linux 3.18 Git ... 120.03 |============================================= EXT4: Linux 3.17 ...... 123.28 |============================================== EXT4: Linux 3.18 Git .. 126.07 |=============================================== PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better Btrfs: Linux 3.17 ..... 6819 |================================================ Btrfs: Linux 3.18 Git . 6944 |================================================= XFS: Linux 3.17 ....... 6199 |============================================ XFS: Linux 3.18 Git ... 6199 |============================================ EXT4: Linux 3.17 ...... 6097 |=========================================== EXT4: Linux 3.18 Git .. 6199 |============================================ Flexible IO Tester 2.1.13 Type: Random Write - IO Engine: POSIX AIO - Buffered: No - Block Size: 16KB - Disk Target: Default Test Directory - Result: MB/s MB/s > Higher Is Better Btrfs: Linux 3.17 ..... 99.81 |========================================== Btrfs: Linux 3.18 Git . 110.76 |============================================== XFS: Linux 3.17 ....... 109.00 |============================================== XFS: Linux 3.18 Git ... 109.51 |============================================== EXT4: Linux 3.17 ...... 112.39 |=============================================== EXT4: Linux 3.18 Git .. 108.85 |==============================================