On Tue, Oct 22, 2024 at 11:21 PM Lexi Winter wrote:
> hello,
>
> i'm trying to configure a cxlv(4) device, which is a VF of a Chelsio
> T540-CR on a host running bhyve.
>
> host: FreeBSD 15.0-CURRENT #3 lf/main-n269068-2cff93ced1d: Wed Oct 23
> 02:48:20 BST 2024
> guest: FreeBSD 15.0-CURRENT #2 l
On Wed, Oct 23, 2024 at 03:14:08PM -0400, Cheng Cui wrote:
I see. The result of `newreno` vs. `cubic` shows non-constant/infrequent
packet
retransmission. So TCP congestion control has little impact on improving the
performance.
The performance bottleneck may come from somewhere else. For exampl
I see. The result of `newreno` vs. `cubic` shows non-constant/infrequent
packet
retransmission. So TCP congestion control has little impact on improving the
performance.
The performance bottleneck may come from somewhere else. For example, the
sender CPU shows 97.7% utilization. Would there be any
On Wed, Oct 23, 2024 at 08:28:01AM -0400, Cheng Cui wrote:
The latency does not sound a problem to me. What is the performance of
TCP congestion control algorithm `newreno`?
In case you need to load `newreno` first.
cc@n1:~ % sudo kldload newreno
cc@n1:~ % sudo sysctl net.inet.tcp.cc.algorithm
The latency does not sound a problem to me. What is the performance of
TCP congestion control algorithm `newreno`?
In case you need to load `newreno` first.
cc@n1:~ % sudo kldload newreno
cc@n1:~ % sudo sysctl net.inet.tcp.cc.algorithm=newreno
net.inet.tcp.cc.algorithm: cubic -> newreno
cc@n1:
> On 23. Oct 2024, at 09:42, Peter Holm wrote:
>
> On Wed, Oct 23, 2024 at 08:32:05AM +0200, Michael Tuexen wrote:
>>> On 23. Oct 2024, at 07:51, Peter Holm wrote:
>>>
>>> + export 'tcpINCARNATIONS=16678'
>>> + [ 16678 -le 0 ]
>>> + export 'TESTPROGS= ./testcases/tcp/tcp'
>>> + sleep 900
>>> +
On Wed, Jul 17, 2024 at 02:00:31PM -0600, Alan Somers wrote:
So I benchmarked all available congestion control algorithms for
single download streams. The results are summarized in the table
below.
Sorry for resurrecting an old thread, but I note your testing was with
single streams. What ar
On Wed, Oct 23, 2024 at 08:32:05AM +0200, Michael Tuexen wrote:
> > On 23. Oct 2024, at 07:51, Peter Holm wrote:
> >
> > + export 'tcpINCARNATIONS=16678'
> > + [ 16678 -le 0 ]
> > + export 'TESTPROGS= ./testcases/tcp/tcp'
> > + sleep 900
> > + su test -c '(cd ..; ./testcases/run/run $TESTPROGS)'
