08-10-2017, 01:02 PM
(08-10-2017, 03:09 AM)Blastmun Wrote: Ok, I did not search and I found nothing on the forum. Would you have the post please?
The pine doesn't have EMMC. The performance is going to be roughly the same on the same SD card between the two boards.
This is roughly the same SD card between 512MB p64 and 4GB r64.
pine64:
Run began: Thu Aug 10 16:09:09 2017
Record Size 4 kB
Command line used: iozone -i 0 -t 2 -r#m
Output is in kBytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 kBytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Throughput test with 2 processes
Each process writes a 512 kByte file in 4 kByte records
Children see throughput for 2 initial writers = 502691.44 kB/sec
Parent sees throughput for 2 initial writers = 10184.89 kB/sec
Min throughput per process = 249887.39 kB/sec
Max throughput per process = 252804.05 kB/sec
Avg throughput per process = 251345.72 kB/sec
Min xfer = 360.00 kB
Children see throughput for 2 rewriters = 239359.14 kB/sec
Parent sees throughput for 2 rewriters = 13551.12 kB/sec
Min throughput per process = 0.00 kB/sec
Max throughput per process = 239359.14 kB/sec
Avg throughput per process = 119679.57 kB/sec
Min xfer = 0.00 kB
r64:
p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Menlo; color: #000000; background-color: #ffffff} p.p2 {margin: 0.0px 0.0px 0.0px 0.0px; font: 14.0px Menlo; color: #000000; background-color: #ffffff; min-height: 16.0px} span.s1 {font-variant-ligatures: no-common-ligatures} span.Apple-tab-span {white-space:pre}
Record Size 4 kB
Command line used: iozone -i 0 -t 2 -r#m
Output is in kBytes/sec
Time Resolution = 0.000001 seconds.
Processor cache size set to 1024 kBytes.
Processor cache line size set to 32 bytes.
File stride size set to 17 * record size.
Throughput test with 2 processes
Each process writes a 512 kByte file in 4 kByte records
Children see throughput for 2 initial writers = 537790.00 kB/sec
Parent sees throughput for 2 initial writers = 11785.36 kB/sec
Min throughput per process = 266113.44 kB/sec
Max throughput per process = 271676.56 kB/sec
Avg throughput per process = 268895.00 kB/sec
Min xfer = 508.00 kB
Children see throughput for 2 rewriters = 348850.64 kB/sec
Parent sees throughput for 2 rewriters = 8634.40 kB/sec
Min throughput per process = 174099.52 kB/sec
Max throughput per process = 174751.12 kB/sec
Avg throughput per process = 174425.32 kB/sec
Min xfer = 508.00 kB