On 2/4/20 10:05 am, Dale wrote:
Adam Carter wrote:
A simple read test with hdparm -t reveals:
500 GB Crucial from 2016: Timing buffered disk reads: 1596 MB in
3.00 seconds = 531.46 MB/sec
128 GB Sandisk from 2014: Timing buffered disk reads: 1532 MB in
3.00 seconds = 510.60 MB/sec
120 GB Sandisk from 2017: Timing buffered disk reads: 968 MB in
3.00 seconds = 322.42 MB/sec
FYI some other hdparm results in case anyone's interested.
Host Disk Cached Reads Buffered Reads
Phenom965 6T wd red WDC WD60EFRX-68L 3785 147
Phenom965 8T wd red WDC WD80EFAX-68K 3716 190
Phenom965 250G Samsung SSD 840 (sata) 3757 60
FX-8350 nvme 512G Samsung 950 (951?) 4793 1435
FX-8350 1T WDC WD10EARX-00N 3883 118
FX-8350 3T WDC WD30EFRX-68A 4422 111
3900X@2133 3T WDC WD30EFRX-68A 11623 143
3900X@3200 3T WDC WD30EFRX-68A 15225 139
3900X@2133 nvme 512G Samsung 970 EVO PLUS 11904 2858
3900X@3200 nvme 512G Samsung 970 EVO PLUS 15213 3032
i3-6100U INTEL SSDSCKJW12 128G M2 sata 3541 448
Oooooooo. <me wipes up the drool> That nvme speed is
faaaasssssstttt. Do you happen to have the OS on that and if so, just
how fast does it go from BIOS or Grub to bootup complete? I'm almost
scared to ask. o_O
Dale
:-) :-)
mfsmaster ~ # hdparm -Tt /dev/nvme0n1
/dev/nvme0n1:
Timing cached reads: 8524 MB in 1.99 seconds = 4283.31 MB/sec
Timing buffered disk reads: 4252 MB in 3.00 seconds = 1416.93 MB/sec
mfsmaster ~ #
Samsung 970 plus NVME M.2 on an odroid H2
:)
BillK
