Hi Akhil, This patch seems introduced performance degradation on my server with QAT DH895XCC by more than 10% for big packets (>=256).
Fiona/Pablo, could you have a try with it? Regards, Fan > -----Original Message----- > From: dev [mailto:[email protected]] On Behalf Of Akhil Goyal > Sent: Wednesday, March 27, 2019 11:48 AM > To: [email protected] > Cc: Doherty, Declan <[email protected]>; Akhil Goyal > <[email protected]> > Subject: [dpdk-dev] [PATCH] app/test-crypto-perf: improve dequeue logic > > In case of hardware PMDs (which may take a longer duration for processing > the packets), there may be a case when the number of enqueued packets > are more than the dequeued. > > So if the difference is more than 8 times the burst size, more dequeue > operations should be performed otherwise all the buffers will be blocked in > hardware. > > Signed-off-by: Akhil Goyal <[email protected]> > ---

