paulturx

@zspirate In order to help us recreate your problem and to check whether your version of QAT engine is missing any fixes in this area in later releases of QAT...

Hi @zspirate We are currently looking into this. Please could you forward the QAT driver config files you used when this core dump was created together with the nginx.conf file...

Hi @zsprirate We would be very interested to see whether you are able to reproduce the problem on your set-up with the nginx.conf parameter 'multi_accept' set to 'off' (or else...

Hi Sorry for the delay in responding to this. In order to answer your questions I will need to reproduce - to that end could you please give me details...

Hi Could you provide some details about the set-up you are using that is giving the poor PRF performance:- - QAT driver version - QAT Engine version and 'configure' command...

Hi jintaoc3 Could you give more information/detail on your query please in order for us to fully understand your request. For example versions of OpenSSL and QAT engine (and QAT...

Hi Just to rule this out as a possible cause, can I refer you to Github QAT Engine issue #123. The later comments are probably more pertinent. Regards paulturx

Hi I cannot say I have run the QAT engine with the --enable-multi_thread option. I will try and reproduce the problem next week at which point I may be more...

Hi This is to let you know that we have a fix for the issue which will be incorporated in the next QAT Engine release. Thanks.

Hi I do not know if this will answer all your questions but may I refer you to a white paper : - https://01.org/sites/default/files/downloads//intelipsecaccelerationwhitepaper.pdf