craigb Posted June 17, 2019 Posted June 17, 2019 Was just reading the Ryzen thread and the following question popped into my head. For recording audio with several tracks recording and/or playing back at higher resolutions (say 24/96 for sake of example), and, for fun, let's include a bunch of audio mangling (your choice, compression, pitch shifting, modulation, whatever), what do you think would be more useful? More cores (i.e., off-loading the processing to multiple cores) RAID striping (i.e., speeding up the writing of LOTS of data by striping to multiple drives) Sure, BOTH is the best answer, but I was just toying with the idea for kicks and giggles.
abacab Posted June 17, 2019 Posted June 17, 2019 I would assume that striping with RAID for speed is made redundant by the high performance of modern SSD drives. I remember seeing the formula somewhere on the net for calculating how many tracks at a specified resolution you could run with a given disk throughput. For the average Joe, a 7200 RPM SATA III is probably fast enough.
Gswitz Posted June 17, 2019 Posted June 17, 2019 Cores. IO isn't a big issue for me. Obviously you have to have sufficient io or you are dead in the water, but striping isn't much help imho.
Jim Roseberry Posted June 18, 2019 Posted June 18, 2019 (edited) 1. Clock-speed 2. Cores Your disk speed will determine the number of simultaneous tracks you can run. If you're working at 44.1k or 48k, a conventional HD can sustain over 100 solid/contiguous tracks. IOW, It's probably not much of a limitation. ? If you're working at 192k, you'll want the extra speed of SSD. As a point of reference: Conventional HD sustains ~200MB/Sec SATA SSD sustains ~540MB/Sec M.2 Ultra SSD sustains ~3500MB/Sec With SATA SSD and M.2 Ultra SSD, we don't configure many RAID setups these days. Last RAID setup we did was for a client who was using EWSO (allowed only a single drive location for the entire library). This client needed heavy disk-streaming polyphony... so we put a pair of SATA SSDs in RAID-0. Net result was a single drive location... that sustained ~1000MB/Sec. Keep in mind that M.2 Ultra SSDs (using four PCIe lanes) weren't available at that time. Edited June 18, 2019 by Jim Roseberry
craigb Posted June 18, 2019 Author Posted June 18, 2019 That's so nice to know it's not a bottle-neck any more. Thanks Jim! (And others who chimed in.) Ok, it's time for me to make some MONEY! I "need" gear and a much better computer for my DAW. ?
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