Date: Sun, 24 Jan 2016 05:58:46 -0200 From: "Marcus Cenzatti" <cenzatti@hush.com> To: "Luigi Rizzo" <rizzo@iet.unipi.it> Cc: freebsd-net@freebsd.org, "Navdeep Parhar" <nparhar@gmail.com> Subject: Re: solved: Re: Chelsio T520-SO-CR low performance (netmap tested) for RX Message-ID: <20160124075846.89FF0A0126@smtp.hushmail.com> In-Reply-To: <20160124075621.7F4FEA0126@smtp.hushmail.com> References: <CA%2BhQ2%2Bg7_haaXLFjMuG00ANsUkFdyGzFQyjT4NYVBmPY-vECBg@mail.gmail.com> <20160124042830.3D674A0128@smtp.hushmail.com> <CA%2BhQ2%2BhxOZkGJdRSrmxSqHforLbMWBVQcayrNFNLLkU803hmjA@mail.gmail.com> <20160124070056.4EC5CA0126@smtp.hushmail.com> <CA%2BhQ2%2Bhk8JRD8JoQcyn%2BiMEPWtS9YMZaUen=AyBwreEfh_9T1A@mail.gmail.com> <20160124075621.7F4FEA0126@smtp.hushmail.com>
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On 1/24/2016 at 5:56 AM, "Marcus Cenzatti" <cenzatti@hush.com> wrote: > >On 1/24/2016 at 5:17 AM, "Luigi Rizzo" <rizzo@iet.unipi.it> wrote: >> >>On Sat, Jan 23, 2016 at 11:00 PM, Marcus Cenzatti >><cenzatti@hush.com> wrote: >>> >>> >>> On 1/24/2016 at 3:33 AM, "Luigi Rizzo" <rizzo@iet.unipi.it> >>wrote: >>... >> >>> ok here it is >>> >>> this lowered pps rate to 9.4Mpps on chelsio (we had 11Mpps with >>defaul len) and lowered rates to 14Mpps on sender (we had >14.8Mpps >>before). >> >>see the other email from navdeep, he suggests to try -l 62 >>because the chelsio saves the packet with a 2-byte offset >>into the buffer (it puzzles me a bit that it does so also >>in netmap mode though). >> >>cheers >>luigi > >yes, I saw, i've run both with 62 bytes and 64 bytes len i mean 62 and 66 > >very different results from the previous one and among both pkt >sizes but could not go beyond 11Mpps > >results: > >-l 62 = TX 14.8Mpps RX 11Mpps >-l 66 = TX 12.4Mpps RX 9.4Mpps >
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