copy_file_range
Testing btrfs performance with and without copy_file_range() system call


cfr-on: 

	Processor: Intel Core i3 530 @ 4.00GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 17GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit

	OS: Arch Linux, Kernel: 4.4.26-cfr (x86_64), Compiler: GCC 6.2.1 20160830, File-System: btrfs, Screen Resolution: 640x480, System Layer: Oracle VirtualBox

cfr-off: 

	Processor: Intel Core i3 530 @ 4.00GHz (1 Core), Motherboard: Oracle VirtualBox v1.2, Chipset: Intel 440FX- 82441FX PMC, Memory: 1024MB, Disk: 17GB VBOX HDD, Graphics: InnoTek VirtualBox, Audio: Intel 82801AA AC 97 Audio, Network: Intel 82540EM Gigabit

	OS: Arch Linux, Kernel: 4.4.26-1-lts (x86_64), Compiler: GCC 6.2.1 20160830, File-System: btrfs, Screen Resolution: 640x480, System Layer: Oracle VirtualBox


SQLite 3.8.10.2
Test Target: Default Test Directory
Seconds < Lower Is Better
cfr-on .. 96.01 |=============================================================
cfr-off . 96.99 |==============================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
cfr-on .. 135.57 |=============================================================
cfr-off . 135.03 |=============================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size, No Sync/FSync
Files/s > Higher Is Better
cfr-on .. 254.02 |============================================================
cfr-off . 258.07 |=============================================================


IOzone 3.405
Record Size: 1MB - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
cfr-on .. 5243.15 |============================================================
cfr-off . 4940.98 |=========================================================


IOzone 3.405
Record Size: 4Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
cfr-on .. 4921.74 |=======================================================
cfr-off . 5364.16 |============================================================


IOzone 3.405
Record Size: 1MB - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
cfr-on .. 228.58 |=============================================================
cfr-off . 227.37 |=============================================================


IOzone 3.405
Record Size: 4Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
cfr-on .. 228.00 |=============================================================
cfr-off . 226.51 |=============================================================


IOzone 3.405
Record Size: 64Kb - File Size: 512MB - Disk Test: Read Performance
MB/s > Higher Is Better
cfr-on .. 5304.94 |======================================================
cfr-off . 5925.85 |============================================================


IOzone 3.405
Record Size: 64Kb - File Size: 512MB - Disk Test: Write Performance
MB/s > Higher Is Better
cfr-on .. 226.83 |============================================================
cfr-off . 228.83 |=============================================================