gpo
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SonarX"n" -- Spreading Load Evenly Across Physical Cores
Would like to build a high-core Win7 or Win8 system to support high counts of VSTi plug-ins. Feedback to date indicates whether high plug-in counts can be achieved or not depends primarily on how EVENLY Sonar is capable of distributing load across cores (whether multiple physical cores in a single CPU, or multiple cores across more than 1 CPU). Anyone with empirical feedback on Sonar's core-load evenness capabilities? Thanks.
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Sanderxpander
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 15:22:18
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I don't think it's always up to Sonar, e.g. Izotope Ozone (a well known plugin) is written only for a single core I think.
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Jim Roseberry
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 15:29:31
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If you currently have a multi-core CPU, you can download the X3 demo... and give it a whirl. You should find that X3 is pretty well optimized for multiple CPU cores. Noel/etc can correct me if I'm mistaken, but I believe the GUI runs on one core... so it's normal to see a single core that's running a bit higher than the rest. FWIW, I use a six-core CPU in my main studio DAW. X3 spreads the load across all twelve virtual cores... with a single core bearing slightly higher load.
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mettelus
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 15:32:29
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+1, people tend to get excited by this and not understanding the underlying reason. Core 0 tends to be the "workhorse" in ANY application (much of the OS is firmly planted there too). Additionally, the right combination of CPU-hungry VST(i)s can bring even the most "powerful" machine to its knees.
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microapp
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 15:35:01
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There is an excellent article on the Cakewalk site discussing Sonar's utilization of the Intel I7 features. Google "Cakewalk DAW Labs Processor Spotlight: Intel Core i7 Processor" and it should take you right to it.. Michael
Sonar Platinum, Cubase Pro 8.5, Reaper 5, Studio One 2Melodyne Studio 4, Finale 2012I7-5820K 4.5GHz, 32 GB DDR4-2800,3 monitors,Win 10 ProToshiba P75-A7100,l7-4900 2.4 Ghz/8MB Win 8.1 ProTascam FW-1884, Emu 0404USB, CMC-AI,Axiom 61Yamaha HS-50's, Sony SA-W2500, Sennheiser RS170's, ATH-M50Ibanez Jem7VWH, RG-1570Jackson DK2-S(Sustainiac),Les Paul CustomDigitech Valve-FX, GFX-1,TSR-24,RP-90
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Sanderxpander
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 15:39:25
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I also recall Intel actually used Sonar to showcase multicore capabilities. Unless that was the same article?
In any case, I didn't mean to imply Sonar doesn't distribute evenly. Just that some plugins might have their own ideas about multicoring.
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mettelus
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 15:45:33
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This is a nice post Noel made in that massive thread a while ago. The white paper link is nice to read (since it was written by Intel), and this quote is a nice one "For 12 years, SONAR* has been the first workstation to support all Microsoft’s* operating systems, and the first to pioneer support for many Intel technology developments: hyper-threading, multiprocessor architectures, multicore processing and 64-bit processing." Since it is 2 years old, I assume it could read "For 14 years..."
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microapp
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 18:05:48
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Looks like they changed that article Google these instead... "Utilizing Intel® AVX with Cakewalk SONAR* X1" "Multi-core Processors for Muscians" Michael
Sonar Platinum, Cubase Pro 8.5, Reaper 5, Studio One 2Melodyne Studio 4, Finale 2012I7-5820K 4.5GHz, 32 GB DDR4-2800,3 monitors,Win 10 ProToshiba P75-A7100,l7-4900 2.4 Ghz/8MB Win 8.1 ProTascam FW-1884, Emu 0404USB, CMC-AI,Axiom 61Yamaha HS-50's, Sony SA-W2500, Sennheiser RS170's, ATH-M50Ibanez Jem7VWH, RG-1570Jackson DK2-S(Sustainiac),Les Paul CustomDigitech Valve-FX, GFX-1,TSR-24,RP-90
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gpo
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 19:46:14
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Jim Roseberry If you currently have a multi-core CPU, you can download the X3 demo... and give it a whirl. You should find that X3 is pretty well optimized for multiple CPU cores. Noel/etc can correct me if I'm mistaken, but I believe the GUI runs on one core... so it's normal to see a single core that's running a bit higher than the rest. FWIW, I use a six-core CPU in my main studio DAW. X3 spreads the load across all twelve virtual cores... with a single core bearing slightly higher load.
Thanks, Jim. I hope to have the hardware soon...hence my questions at this point. Sounds like you are observing relatively even load across all 12 threads (consisting of 6 physical cores and 6 logical (hyperthreaded) cores). Do you have any insights if X3 is capable of spreading evenly over two CPUs, each having multiple cores? Thanks.
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Sacalait
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Re: SonarX"n" -- Spreading Load Evenly Across Physical Cores
2014/02/26 20:35:52
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I have an i7 4770K processer in my new PC. X3 shows 8 threads. Thread one seems to be getting a bit more work than the others but I aint exactly complaining because this PC is a freakin' beast man!
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