On 8/12/21 10:39 AM, Christoph Hellwig wrote: > On Thu, Aug 12, 2021 at 09:41:48AM -0600, Jens Axboe wrote: >> Mark polled IO as being safe for dipping into the bio allocation >> cache, in case the targeted bio_set has it enabled. >> >> This brings an IOPOLL gen2 Optane QD=128 workload from ~3.0M IOPS to >> ~3.3M IOPS. > > Looks good, > > Reviewed-by: Christoph Hellwig <hch@xxxxxx> > > Didn't the cover letter say 3.5M+ IOPS, though? It does indeed, we've had some recent improvements so the range is now more in the 3.2M -> 3.5M IOPS with the cache. Didn't update it, as it's still roughly the same 10% bump. -- Jens Axboe
