Re: Performance tests with new network stack

2014-09-25 Thread Joel Sherrill
On 9/25/2014 9:08 AM, Sebastian Huber wrote: > On 25/09/14 16:01, Joel Sherrill wrote: >> I thought at one point, we had populated the new stack with >> the checksum code from the old stack for the highly optimized >> cases. Was the PowerPC one where we just trusted their new >> code and our old c

Re: Performance tests with new network stack

2014-09-25 Thread Sebastian Huber
On 25/09/14 16:01, Joel Sherrill wrote: I thought at one point, we had populated the new stack with the checksum code from the old stack for the highly optimized cases. Was the PowerPC one where we just trusted their new code and our old code was more optimized? FreeBSD no longer uses optimized

Re: Performance tests with new network stack

2014-09-25 Thread Joel Sherrill
Thank you for posting this detailed analysis. This is all I was asking for. I knew you had to have some hard data to want that change. I thought at one point, we had populated the new stack with the checksum code from the old stack for the highly optimized cases. Was the PowerPC one where we just

Performance tests with new network stack

2014-09-24 Thread Sebastian Huber
Hello, I used simple FTP transfers to/from the target to measure the TCP performance of the new network stack on a PowerPC MPC8309. The new network stack is a port from FreeBSD 9.2. It is highly optimized for SMP and uses fine grained locking. For uni-processor systems this is not a benefit