parallelise epoch processing subtasks #12191
Merged
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Parallelising some tasks by using worker pool.
Worker pool will save (last)error if any task returns it and we return it by
Error()
call after closing worker poolwe do:
wp := CreateWorkerPool(runtime.NumCPU())
wp.AddWork(func() error { some work })
wp.WaitAndClose()
return wp.Error()