Using new ST VST it rocks and cool the dualcore feature
hvz , you talked about an increase in new vers. is it for all versions or just for standalone ?
Thanks
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| Stereo Tool 6.20 https://forums.stereotool.com/viewtopic.php?t=3835 |
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| Author: | jony [ Tue Dec 06, 2011 3:25 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
Using new ST VST it rocks and cool the dualcore feature hvz , you talked about an increase in new vers. is it for all versions or just for standalone ? Thanks |
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| Author: | phoenix [ Tue Dec 06, 2011 3:37 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
Latest Update... On another AMD Phenom II machine  Looks like it chooses to use the other core at discretion ... change latencies, restart playback, change presets. I mean I don't see any pattern, but it does use multicores *sometimes* On the Intel machine, it's freaking persistent 
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| Author: | hvz [ Tue Dec 06, 2011 4:28 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
Quote: I mean I don't see any pattern, but it does use multicores *sometimes*
Odd. I'm processing things in 2 threads, so I would assume that Windows would spread it over multiple cores. No idea why it doesn't - maybe some power management feature? If the CPU load is not that high on the one core that's in use, it does not matter much in total performance anyway.On the Intel machine, it's freaking persistent What you could try is letting it write to disk so it will use at least one core upto 100%. If you still see difference in behavior (and performance!) if you do that, something is wrong. BTW: I'm measuring a 40% increase, which is much more than I had expected - but remember that only the clipper and HALF of the declipper are multicore now, the rest of the processing (including half of the clipper and 3/4th of the declipper!) are still running in the same thread. So actually I would still expect a very uneven spread. O, and are you using hyperthreading? If so, things may be radically different if the 2 cores that are selected are actually one core, or not! |
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| Author: | Bojcha [ Tue Dec 06, 2011 4:36 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
Yes, as Hans said, it's better to use DSP with DiskWriter. Idealy using of two cores should be 100%. I done tests on AMD AM2 5600+ Dual Core.. and here are results: Used preset WEB/Neodymium Stereo Tool DSP 6.20 Final version:  As you can see, it uses only one core. Additional 2% we can say that is winamp itself Stereo Tool 6.21 b006:  Difference?  I have pretty much same result on my Intel E8400. |
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| Author: | phoenix [ Tue Dec 06, 2011 4:59 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
Quote: @Bojcha:
Please ignore the quoted text...Probably I am missing something here. What you've posted is merely the aggregate CPU usage. How can you infer the load on individual cores unless you look at the performance tab. Still little weird considering the performance on 2 of my AMD systems... @Hans: Well, for the Intel based notebook, it does make sense - given the fact it makes use of hyperthreading. Anyways, here's the snapshot of my CPU usage while writing(encoding) to disk using dBpoweramp.  Any clue why it's nearing 100-0 and not 55-45 ? |
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| Author: | Bojcha [ Tue Dec 06, 2011 5:10 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
I am not interest in "performance tab", because there you are measuring whole system. If i look your mem usage... there is plenty things that can rise cpu. So i am interst in particular process! Software that use 1 core, on 2 core system will use max 50%, on 4 core system will use max 25% cpu .. etc.. |
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| Author: | phoenix [ Tue Dec 06, 2011 5:16 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
Quote: I am not interest in "performance tab", because there you are measuring whole system. If i look your mem usage... there is plenty things that can rise cpu. So i am interst in particular process!
Please explain per your previous theory... I am guessing you're on Win XP SMP configuration...Software that use 1 core, on 2 core system will use max 50%, on 4 core system will use max 25% cpu .. etc..  and this.... 
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| Author: | Bojcha [ Tue Dec 06, 2011 5:38 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
That '31%' nubmer is important.. compared to my Winamp/DSP test, that number should be ~35% on your system. Try 6.20 final version, that '31%" you'll se that it will not cross ~26%. |
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| Author: | near05 [ Tue Dec 06, 2011 5:47 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
I tryed the last VST Beta Version of StereoTool. Its quite faster then in the Single Core Version. All cores are utilized equally. The only disadvantage is, that the sound is a little bit cracking. This only occurs if i use an ASIO Driver. With the Default Driver included in Windows this doesn't occure. Edit: It uses 4 Threads. Each of it is on its own Core: 
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| Author: | hvz [ Tue Dec 06, 2011 10:29 pm ] |
| Post subject: | Re: Stereo Tool 6.20 |
Ok, I'll try to avoid using foul language here but... I just had my official "  " moment of the year, .I came out of a supermarket, less than 1 km from my house, wanted to walk to my car (ok this sounds lazy - but I came from elsewhere), and there was a big van in front of me with a logo on it saying "Van Zutphen Soundsystems". So I thought, " "So a guy walked to the car and I asked him what he did (of course I also mentioned why). And he told me that he builds sound systems into cars and bars etc. I briefly (in 1 sentence) described what I do as well, and immediately he said "hey, maybe you can help me - I have one problem when I play music (he's also a dj) and that's that there are big volume differences."
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