When use orin NX，which has a M.2 GEN4*4 Interface for SSD, so this interface max IO performance should be 8GB/s, but when I use a GEN4 M.2 SSD with this interface , the performance only reached 3.8GB/s. The same SSD can reach 7GB/s on normal PC platform.
Hi wugj,
Are you using the devkit or custom board for Orin NX?
What’s your Jetpack version in use?
Could you enable Jetson Clock before the test?
$ sudo jetson_clocks
Please also share the test steps in your side so that we could verify it locally.
Hi Kevin，
After I run ‘sudo jsetson_clocks’， the performance reached 4.3GB/s， but only half of 8GB/s.
This is my platforam.
My Steps as follows：
1 . Format this SSD;
2. Run fio script :
"sudo fio --ioengine=libaio --randrepeat=0 --norandommap --thread --direct=1 --stonewall --group_reporting --name=mytest --ramp_time=1 --runtime=60 --time_based --numjobs=4 --percentile_list=99:99.9:99.99:99.999:99.9999 --iodepth=32 --filename=/dev/nvme0n1 --rw=write --bs=16384k --output=1024K_seqW.log --log_avg_msec=1000 -write_bw_log=128K_seqW_bw.log --write_iops_log=128K_seqW_iops.log --write_lat_log=128K_seqW_lat.log
"
Hi， do you have any process on this case?
There is no update from you for a period, assuming this is not an issue any more.
Hence we are closing this topic. If need further support, please open a new one.
Thanks
It seems the similar result as us verifying on the devkit.
What’s your current power mode in use?