Here at JustinTime Studios and Unit3d.Expert we use RAMDisks to speed things up.
We wanted to see which RAMdisk option would perform better. Here are the results:
VS.
Test: 500MB of Data
AMD Radeon Ramdisk (Software)
Sequential Read (Q= 32,T= 1) : 2198.980 MB/s
Sequential Write (Q= 32,T= 1) : 2867.420 MB/s
Random Read 4KiB (Q= 32,T= 1) : 271.083 MB/s [ 66182.4 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 220.725 MB/s [ 53887.9 IOPS]
Sequential Read (T= 1) : 3040.011 MB/s
Sequential Write (T= 1) : 4140.699 MB/s
Random Read 4KiB (Q= 1,T= 1) : 282.257 MB/s [ 68910.4 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 253.222 MB/s
MSI Ramdisk (Hardware on Motherboard)
Sequential Read (Q= 32,T= 1) : 1394.137 MB/s
Sequential Write (Q= 32,T= 1) : 1378.127 MB/s
Random Read 4KiB (Q= 32,T= 1) : 61.342 MB/s [ 14976.1 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 81.599 MB/s [ 19921.6 IOPS]
Sequential Read (T= 1) : 2523.183 MB/s
Sequential Write (T= 1) : 3278.739 MB/s
Random Read 4KiB (Q= 1,T= 1) : 90.423 MB/s [ 22075.9 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 78.570 MB/s [ 19182.1 IOPS]
Overall Aggregate Results: MSI Ramdisk is approximately 19% Faster in these 500MB tests.
Test: 1GB of Data:
AMD Radeon Ramdisk :
Sequential Read (Q= 32,T= 1) : 1435.596 MB/s
Sequential Write (Q= 32,T= 1) : 1500.630 MB/s
Random Read 4KiB (Q= 32,T= 1) : 92.783 MB/s [ 22652.1 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 89.455 MB/s [ 21839.6 IOPS]
Sequential Read (T= 1) : 2778.283 MB/s
Sequential Write (T= 1) : 3490.953 MB/s
Random Read 4KiB (Q= 1,T= 1) : 97.936 MB/s [ 23910.2 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 86.216 MB/s [ 21048.8 IOPS]
MSI RamDisk:
Sequential Read (Q= 32,T= 1) : 2301.857 MB/s
Sequential Write (Q= 32,T= 1) : 2971.524 MB/s
Random Read 4KiB (Q= 32,T= 1) : 283.738 MB/s [ 69272.0 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 250.378 MB/s [ 61127.4 IOPS]
Sequential Read (T= 1) : 3103.051 MB/s
Sequential Write (T= 1) : 4193.576 MB/s
Random Read 4KiB (Q= 1,T= 1) : 291.497 MB/s [ 71166.3 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 253.526 MB/s [ 61896.0 IOPS]
Overall Aggregate Results: MSI Ramdisk is 42% faster than AMD Radeon Ramdisk in 1GB Tests.
Test: 100 MB of Data
AMD Radeon Ramdisk :
Sequential Read (Q= 32,T= 1) : 1396.931 MB/s
Sequential Write (Q= 32,T= 1) : 1431.315 MB/s
Random Read 4KiB (Q= 32,T= 1) : 93.584 MB/s [ 22847.7 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 93.400 MB/s [ 22802.7 IOPS]
Sequential Read (T= 1) : 2450.752 MB/s
Sequential Write (T= 1) : 3182.248 MB/s
Random Read 4KiB (Q= 1,T= 1) : 98.265 MB/s [ 23990.5 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 91.118 MB/s [ 22245.6 IOPS]
MSI RamDisk:
Sequential Read (Q= 32,T= 1) : 2245.149 MB/s
Sequential Write (Q= 32,T= 1) : 2984.613 MB/s
Random Read 4KiB (Q= 32,T= 1) : 277.875 MB/s [ 67840.6 IOPS]
Random Write 4KiB (Q= 32,T= 1) : 248.014 MB/s [ 60550.3 IOPS]
Sequential Read (T= 1) : 3098.641 MB/s
Sequential Write (T= 1) : 4254.432 MB/s
Random Read 4KiB (Q= 1,T= 1) : 290.380 MB/s [ 70893.6 IOPS]
Random Write 4KiB (Q= 1,T= 1) : 249.238 MB/s [ 60849.1 IOPS]
Overall Aggregate Results: MSI Ramdisk is approximately 54% Faster in these tests.
Tests were performed without any other applications running, and both drives mapped to the system at the same time.
AMD Ramdisk was 6.5GB in size and MSI Ramdisk was 2GB in size.
Total System RAM: 16GB of 2133mhz DDR3
Final Performance Results: MSI RAMDisk is the clear winner in terms of speed.