Chaos Corona Forum

Official Stuff => News => Topic started by: Ludvik Koutny on 2013-01-21, 13:46:51

Title: Performance scaling on multiprocessor machines.
Post by: Ludvik Koutny on 2013-01-21, 13:46:51

Hello,

if some of you have ever used multiprocessor machines (for example dual Xeon workstations) with Corona, you might have noticed that performance on such machines does not scale very well.

I am happy to announce that Keymaster has fixed this issue and Corona performance now scales properly on multiprocessor machines.

For example, Dual Xeon E5-2630 i use at work is now little over twice the speed of Core i7 2600k.

The fix is available in latest nightly build :)

Title: Re: Performance scaling on multiprocessor machines.
Post by: racoonart on 2013-01-21, 14:36:41

what the... O_O didn't know this issue existed. Now I'm very curious how rendering speed on my machine will improve. I love news like that ;)

Title: Re: Performance scaling on multiprocessor machines.
Post by: Sam75 on 2013-01-21, 16:02:38

Rawalanche can you explain the difference between legacy and non legacy night builds ?

Title: Re: Performance scaling on multiprocessor machines.
Post by: Ludvik Koutny on 2013-01-21, 16:40:58

Quote from: Sam75 on 2013-01-21, 16:02:38

Rawalanche can you explain the difference between legacy and non legacy night builds ?

Legacy builds support old processors with old instruction sets, such as Core 2 Quad at the cost of being slower.

Title: Re: Performance scaling on multiprocessor machines.
Post by: Sam75 on 2013-01-21, 16:44:37

Thank you.

Title: Re: Performance scaling on multiprocessor machines.
Post by: Ludvik Koutny on 2013-01-21, 19:38:12

Quote from: DeadClown on 2013-01-21, 14:36:41

what the... O_O didn't know this issue existed. Now I'm very curious how rendering speed on my machine will improve. I love news like that ;)

Looking forward to hear the results :)

Title: Re: Performance scaling on multiprocessor machines.
Post by: alieneye on 2013-01-22, 21:42:55

(https://dl.dropbox.com/u/13722035/2post/corona/perf_scaling.png)

it`s beautiful! :)

Title: Re: Performance scaling on multiprocessor machines.
Post by: Javadevil on 2013-01-23, 01:12:15

Wow thats crazy, so all this time it looks like Corona was only using one socket !!

Title: Re: Performance scaling on multiprocessor machines.
Post by: lacilaci on 2013-01-23, 08:22:24

What the hell... 20+ million rays/s?? Crazy...