Panu Pentikäinen Posted March 26 Share Posted March 26 Any Serum 2 users here? Does it work OK? I just bought it and it glitches badly. Freezed track plays fine but live input not so. I have tried to change various MIDI related settings in preferences but they do not change anything. All other synths work just fine. Link to comment Share on other sites More sharing options...
Will. Posted March 26 Share Posted March 26 Its working fine here. 1 Link to comment Share on other sites More sharing options...
Promidi Posted March 27 Share Posted March 27 On 3/26/2025 at 1:02 PM, Panu Pentikäinen said: Any Serum 2 users here? Does it work OK? I just bought it and it glitches badly. Expand I tried the trial of Serum 2 here and it glitched badly here as well. I put it down to my older PC - even though, UVI Falcon 3.1.1 , Latest AAS synths (including the known CPU hog, Chromophone 3), Eastwest Opus, Kontakt 7 Full, all Arturia synths, IKM Sampletank 4....... well you get the picture.... all work well on my old rig. ..... ok, so maybe Serum 2 is a major CPU hog. I uninstalled Serum 2 trial. 1 Link to comment Share on other sites More sharing options...
Panu Pentikäinen Posted March 27 Author Share Posted March 27 CPU hog or not, Serum 2 glitches if preset is complicated. Simple presets work just fine. CPU usage is not high in Sonar's performance module nor in Windows Taskbar, though. I was able to reduce glitching by setting Quality to 'Good' (other alternatives: 'Best', 'Ultra' if I remember correctly) and disabling smoothing (or whatever that is) but complicated presets are still glitching. Unfortunately I already purchased it. Link to comment Share on other sites More sharing options...
Promidi Posted March 27 Share Posted March 27 On 3/27/2025 at 8:39 AM, Panu Pentikäinen said: Unfortunately I already purchased it. Expand Yeah that is a bit of a bummer.... Well this is the first release of version 2. Maybe XREF will get the memo and refine the engine.... 1 Link to comment Share on other sites More sharing options...
Panu Pentikäinen Posted March 27 Author Share Posted March 27 Other users have performance issues, too: https://xferrecords.com/forums/general/serum-2-performance-issues 1 Link to comment Share on other sites More sharing options...
Promidi Posted March 27 Share Posted March 27 On 3/27/2025 at 11:05 AM, Panu Pentikäinen said: Other users have performance issues, too: Expand Some of those CPUs kick some serious derriere, and even they are having issues with Serum 2. Don't XREF have a BETA program that should have picked up these issues? Link to comment Share on other sites More sharing options...
Mark Morgon-Shaw Posted March 27 Share Posted March 27 Seems fine here , I've not come across any patches that cause it to glitch. CPU use is on the higher side for sure . Some of the complex patches consume 20- 30% Engine load at 128 sample buffer playing 3 -5 notes ( Ryzen 5950x - 16core + RME Babyface ) Link to comment Share on other sites More sharing options...
Panu Pentikäinen Posted March 27 Author Share Posted March 27 My PC has 8 cores, 16 logical processors, running at 4.75 GHz and it's glitching. Audio interface is RME UFX II, ASIO buffer 128-512 (same result with the largest buffer) This is simply bad quality control from the synth manufacturer. I tested disabling Plug-In Load Balancing - no help. Link to comment Share on other sites More sharing options...
Panu Pentikäinen Posted March 27 Author Share Posted March 27 "Serum 2 was built with quality in mind. Unfortunately it does have a cost. and requires a modern processor. You can set quality to Good on the global page. You can enable S1 compatibility. If you load Serum 1 presets you should see performance on par with Serum 1. We will look for further optimizations in the future however things have really been aggressively optimized, so a machine upgrade will probably be inevitable if you want to use a lot of voices." Source: https://xferrecords.com/forums/serum/cpu-use-is-extreme-on-older-intel-processors-but-very-workable-updated-information Link to comment Share on other sites More sharing options...
Will. Posted March 27 Share Posted March 27 On 3/27/2025 at 12:24 PM, Panu Pentikäinen said: My PC has 8 cores, 16 logical processors, running at 4.75 GHz and it's glitching. Audio interface is RME UFX II, ASIO buffer 128-512 (same result with the largest buffer) This is simply bad quality control from the synth manufacturer. I tested disabling Plug-In Load Balancing - no help. Expand Have you tried a lower sample rate with the oversampling turned off in serum and Sonar? Link to comment Share on other sites More sharing options...
Panu Pentikäinen Posted March 27 Author Share Posted March 27 Sonar: oversampling off. My sample rate is always 48k. Serum 2 oversampling: I have selected the 'worst' option already. I tried to tweak some buffer settings in Sonar preferences but they do nothing for the issue. The synth is obviously not compatible with older Intel CPUs. Link to comment Share on other sites More sharing options...
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