lowmemory Intel Core i7-6500U testing with a Purism Librem 15 v3 v3.0 (4.6-a86d1b-Purism-4 BIOS) and Intel Skylake GT2 [HD 520] on Ubuntu 19.10 via the Phoronix Test Suite. lowmemoryzfs: Processor: Intel Core i7-6500U @ 3.10GHz (2 Cores / 4 Threads), Motherboard: Purism Librem 15 v3 v3.0 (4.6-a86d1b-Purism-4 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 8192MB, Disk: 500GB Samsung SSD 850, Graphics: Intel HD 520 3GB (1050MHz), Audio: Realtek ALC269VC, Network: Qualcomm Atheros AR9462 OS: Ubuntu 19.10, Kernel: 5.3.0-19-generic (x86_64), Desktop: GNOME Shell 3.34.1, Display Server: X Server 1.20.5, Display Driver: modesetting 1.20.5, OpenGL: 4.5 Mesa 19.2.1, Compiler: GCC 9.2.1 20191008, File-System: zfs, Screen Resolution: 1920x1080 lowmemoryext4: Processor: Intel Core i7-6500U @ 3.10GHz (2 Cores / 4 Threads), Motherboard: Purism Librem 15 v3 v3.0 (4.6-a86d1b-Purism-4 BIOS), Chipset: Intel Xeon E3-1200 v5/E3-1500, Memory: 1 x 16384 MB 2133MT/s, Disk: 500GB Samsung SSD 850, Graphics: Intel Skylake GT2 [HD 520] (1050MHz), Audio: Realtek ALC269VC, Network: Qualcomm Atheros AR9462 OS: Ubuntu 19.10, Kernel: 5.3.0-19-generic (x86_64), Desktop: GNOME Shell 3.34.1, Display Server: X Server, Compiler: GCC 9.2.1 20191008, File-System: ext4, Screen Resolution: 1920x1080 SQLite 3.22 Timed SQLite Insertions Seconds < Lower Is Better lowmemoryzfs .. 49.43 |======================================================== lowmemoryext4 . 41.61 |=============================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size Files/s > Higher Is Better lowmemoryzfs .. 148.70 |======================================================= lowmemoryext4 . 113.00 |========================================== FS-Mark 3.3 Test: 5000 Files, 1MB Size, 4 Threads Files/s > Higher Is Better lowmemoryzfs .. 164.16 |======================================================= lowmemoryext4 . 162.03 |====================================================== FS-Mark 3.3 Test: 4000 Files, 32 Sub Dirs, 1MB Size Files/s > Higher Is Better lowmemoryzfs .. 112.57 |======================================================= lowmemoryext4 . 74.81 |===================================== FS-Mark 3.3 Test: 1000 Files, 1MB Size, No Sync/FSync Files/s > Higher Is Better lowmemoryzfs .. 814.63 |=========================== lowmemoryext4 . 1634.63 |====================================================== Dbench 4.0 12 Clients MB/s > Higher Is Better lowmemoryzfs .. 318.93 |======================================================= lowmemoryext4 . 314.94 |====================================================== Dbench 4.0 1 Clients MB/s > Higher Is Better lowmemoryzfs .. 65.81 |======================================================== lowmemoryext4 . 55.88 |================================================ Compile Bench 0.6 Test: Compile MB/s > Higher Is Better lowmemoryzfs .. 971.08 |======================================================= lowmemoryext4 . 388.79 |====================== Compile Bench 0.6 Test: Initial Create MB/s > Higher Is Better lowmemoryzfs .. 126.32 |======================== lowmemoryext4 . 291.37 |======================================================= Compile Bench 0.6 Test: Read Compiled Tree MB/s > Higher Is Better lowmemoryzfs .. 808.88 |======================================================= lowmemoryext4 . 640.83 |============================================ PostMark 1.51 Disk Transaction Performance TPS > Higher Is Better lowmemoryzfs .. 1794 |=========================== lowmemoryext4 . 3768 |=========================================================