Strange results in global CTF refinement

@hsnyder Yes, I will be happy to share the data.

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Thanks, @Rado. I will send a direct message with instructions.
–Harris

Hi @Rado,

We were able to identify the cause of the incorrect behaviour of the global CTF refinement job on certain systems and the issue is fixed in CryoSPARC v4.7, released yesterday. Thanks for your help in reporting and debugging this.

–Harris

Out of curiosity, what was the cause?

That’s great to hear @hsnyder! Thank you for your effort in figuring this out.

Rado

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@rbs_sci it was a concurrency bug. It was there for a while, but the performance improvements from the IO changes in 4.6 caused it to surface. That’s why turning off io_uring helped.

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