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Hey everyone! This is my first post here!

I have a scene where I'm caching a vellum grains simulation to a disk cache. I'm having trouble understanding why it takes so long. When I cache the simulation to ram in the viewport each frame takes about 15 seconds, however when I drop a File Cache SOP and save it to my hard drive each frame seems to take about 3 minutes. Could someone explain why this may be? I have tried saving to another drive and it didn't help.

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How big are those files? Is it HDD or SDD? Are you using implicite compression (with *.sc postfix?). Did you delete attributes which are not needed for rendering?

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Each file is only around 2mb. I am deleting all attributes except pscale and v before caching. the sim only has about 100k points, it's not even the final, I just wanted to save it to disk. The file format was bgeo.sc. I initially saved it to my HDD, I tried my SSD (which id rather not save caches to), but it did not save any noticeably faster anyway.

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