Latency- Test
21 Apr 2022 11:55 - 21 Apr 2022 12:06 #240793
by nhanpham
Latency- Test was created by nhanpham
hi all,
I have a 7i80db16 mesa board.
And I'm using Celeron J1900 2Ghz.
My latency test:
Servo thread: max Jitter: 50000(ns)
base thread(25us) max Jitter 143648(ns)
is This good to run linuxcnc?
Any Bios setting to improve Jitter?
thank you so much
I have a 7i80db16 mesa board.
And I'm using Celeron J1900 2Ghz.
My latency test:
Servo thread: max Jitter: 50000(ns)
base thread(25us) max Jitter 143648(ns)
is This good to run linuxcnc?
Any Bios setting to improve Jitter?
thank you so much
Last edit: 21 Apr 2022 12:06 by nhanpham.
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21 Apr 2022 14:09 #240800
by tommylight
Replied by tommylight on topic Latency- Test
Seems OK, but to know for sure, connect the card to the PC and leave it on for a day or two or more.
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21 Apr 2022 22:34 #240831
by andypugh
Replied by andypugh on topic Latency- Test
If you are going to use a 7i80 then run the latency test without the base thread.
latency-test 1000000
will run a single thread at servo-rate
latency-test 1000000
will run a single thread at servo-rate
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22 Apr 2022 07:54 - 22 Apr 2022 08:03 #240860
by nhanpham
Replied by nhanpham on topic Latency- Test
i got :
Servo thread(1ms) : max interal 1046679 and max jitter : 46679
with this jitter, can my system work normally?
thank you
Servo thread(1ms) : max interal 1046679 and max jitter : 46679
with this jitter, can my system work normally?
thank you
Last edit: 22 Apr 2022 08:03 by nhanpham.
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22 Apr 2022 08:06 #240862
by nhanpham
Replied by nhanpham on topic Latency- Test
hi
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22 Apr 2022 23:07 #240938
by andypugh
Replied by andypugh on topic Latency- Test
Yes, that is perfectly acceptable.
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