Hi Colin -
thanks for the tip - i just tried - it does give the same results
Nuke does read my 16 threads - even at start up
It seems this is how Nuke handles things...
Neil Scholes
www.uvfilms.co.uk
+44 (0) 7977 456 197
On 05/12/12 20:13, Colin Doncaster wrote:
Have you tried starting Nuke with -m 16 and trying the same test?
This tells Nuke how many threads you want to use vs. how many cores your
computer has.
Cheers
On 2012-12-05, at 10:13 AM, Neil Scholes <n...@uvfilms.co.uk> wrote:
Hi Peter - thanks
Yes ext4
ok with your suggested setup - i get half of the cores being used ( 8 threads
out of 16) - and out of that half - only one of the threads is using a full
100% - the rest are down by around 10%
This sound right?
Neil Scholes
www.uvfilms.co.uk
+44 (0) 7977 456 197
On 05/12/12 14:48, Peter Pearson wrote:
On 05/12/12 14:39, Neil Scholes wrote:
ok -
im reading off my local raid 0 drive - which is fast enough to play back
2k DPX realtime.
But Im also rendering to that disc also.. is this the issue perhaps?
Most probably depending on what disk buffering is set up - I'm guessing the
file system is ext4?
Best test is to use a new Nuke script, 4k checkerboard -> defocus node (with
defocus set to 60 or something), view that in fullscreen and see if it uses more
cores then.
That eliminates disk IO completely.
If it's still not using all the cores, put the mouse over the DAG and press x, then type
"[set threads]" (without the quotes) and press OK.
It should return a message box with: Syntax error at "x", where x is the number
of threads Nuke is configured to use.
Check that with how many cores you've got.
Cheers,
Peter
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