Displaying 20 results from an estimated 32 matches for "zercopi".
Did you mean:
zercopy
2011 Jul 22
3
[PULL net] vhost-net: zercopy mode fixes
The following includes vhost-net fixes - both in the
experimental zero copy mode.
Please pull for 3.1.
Thanks!
2011 Jul 22
3
[PULL net] vhost-net: zercopy mode fixes
The following includes vhost-net fixes - both in the
experimental zero copy mode.
Please pull for 3.1.
Thanks!
2012 Dec 03
1
[PATCH] vhost-net: initialize zcopy packet counters
These packet counters are used to drive the zercopy
selection heuristic so nothing too bad happens if they are off a bit -
and they are also reset once in a while.
But it's cleaner to clear them when backend is set so that
we start in a known state.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
---
drivers/vhost/net.c | 3 +++
1 file changed, 3 insertions(+)
diff --git
2012 Dec 03
1
[PATCH] vhost-net: initialize zcopy packet counters
These packet counters are used to drive the zercopy
selection heuristic so nothing too bad happens if they are off a bit -
and they are also reset once in a while.
But it's cleaner to clear them when backend is set so that
we start in a known state.
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
---
drivers/vhost/net.c | 3 +++
1 file changed, 3 insertions(+)
diff --git
2018 Jul 02
2
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018/07/02 11:54, Jason Wang wrote:
> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>> Hi Jason,
>>
>> On 2018/06/29 18:30, Jason Wang wrote:
>>> On 2018?06?29? 16:09, Toshiaki Makita wrote:
>> ...
>>>> To fix this, poll the work instead of enabling notification when
>>>> busypoll is interrupted by something. IMHO signal_pending() and
2018 Jul 02
2
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018/07/02 11:54, Jason Wang wrote:
> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>> Hi Jason,
>>
>> On 2018/06/29 18:30, Jason Wang wrote:
>>> On 2018?06?29? 16:09, Toshiaki Makita wrote:
>> ...
>>>> To fix this, poll the work instead of enabling notification when
>>>> busypoll is interrupted by something. IMHO signal_pending() and
2018 Jul 02
2
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018/07/02 15:17, Jason Wang wrote:
> On 2018?07?02? 12:37, Toshiaki Makita wrote:
>> On 2018/07/02 11:54, Jason Wang wrote:
>>> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>>>> Hi Jason,
>>>>
>>>> On 2018/06/29 18:30, Jason Wang wrote:
>>>>> On 2018?06?29? 16:09, Toshiaki Makita wrote:
>>>> ...
2018 Jul 02
2
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018/07/02 15:17, Jason Wang wrote:
> On 2018?07?02? 12:37, Toshiaki Makita wrote:
>> On 2018/07/02 11:54, Jason Wang wrote:
>>> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>>>> Hi Jason,
>>>>
>>>> On 2018/06/29 18:30, Jason Wang wrote:
>>>>> On 2018?06?29? 16:09, Toshiaki Makita wrote:
>>>> ...
2017 Sep 27
2
[PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched processing
On Wed, Sep 27, 2017 at 10:04:18AM +0800, Jason Wang wrote:
>
>
> On 2017?09?27? 03:25, Michael S. Tsirkin wrote:
> > On Fri, Sep 22, 2017 at 04:02:35PM +0800, Jason Wang wrote:
> > > This patch implements basic batched processing of tx virtqueue by
> > > prefetching desc indices and updating used ring in a batch. For
> > > non-zerocopy case,
2017 Sep 27
2
[PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched processing
On Wed, Sep 27, 2017 at 10:04:18AM +0800, Jason Wang wrote:
>
>
> On 2017?09?27? 03:25, Michael S. Tsirkin wrote:
> > On Fri, Sep 22, 2017 at 04:02:35PM +0800, Jason Wang wrote:
> > > This patch implements basic batched processing of tx virtqueue by
> > > prefetching desc indices and updating used ring in a batch. For
> > > non-zerocopy case,
2017 Sep 26
2
[PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched processing
On Fri, Sep 22, 2017 at 04:02:35PM +0800, Jason Wang wrote:
> This patch implements basic batched processing of tx virtqueue by
> prefetching desc indices and updating used ring in a batch. For
> non-zerocopy case, vq->heads were used for storing the prefetched
> indices and updating used ring. It is also a requirement for doing
> more batching on top. For zerocopy case and for
2017 Sep 26
2
[PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched processing
On Fri, Sep 22, 2017 at 04:02:35PM +0800, Jason Wang wrote:
> This patch implements basic batched processing of tx virtqueue by
> prefetching desc indices and updating used ring in a batch. For
> non-zerocopy case, vq->heads were used for storing the prefetched
> indices and updating used ring. It is also a requirement for doing
> more batching on top. For zerocopy case and for
2018 Jul 20
12
[PATCH net-next 0/9] TX used ring batched updating for vhost
Hi:
This series implement batch updating of used ring for TX. This help to
reduce the cache contention on used ring. The idea is first split
datacopy path from zerocopy, and do only batching for datacopy. This
is because zercopy had already supported its own batching.
TX PPS was increased 25.8% and Netperf TCP does not show obvious
differences.
The split of datapath will also be helpful for
2018 Jul 20
12
[PATCH net-next 0/9] TX used ring batched updating for vhost
Hi:
This series implement batch updating of used ring for TX. This help to
reduce the cache contention on used ring. The idea is first split
datacopy path from zerocopy, and do only batching for datacopy. This
is because zercopy had already supported its own batching.
TX PPS was increased 25.8% and Netperf TCP does not show obvious
differences.
The split of datapath will also be helpful for
2018 Jul 02
1
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018/07/02 16:52, Jason Wang wrote:
> On 2018?07?02? 15:11, Toshiaki Makita wrote:
>> On 2018/07/02 15:17, Jason Wang wrote:
>>> On 2018?07?02? 12:37, Toshiaki Makita wrote:
>>>> On 2018/07/02 11:54, Jason Wang wrote:
>>>>> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>>>>>> Hi Jason,
>>>>>>
2017 Sep 27
0
[PATCH net-next RFC 5/5] vhost_net: basic tx virtqueue batched processing
On 2017?09?27? 03:25, Michael S. Tsirkin wrote:
> On Fri, Sep 22, 2017 at 04:02:35PM +0800, Jason Wang wrote:
>> This patch implements basic batched processing of tx virtqueue by
>> prefetching desc indices and updating used ring in a batch. For
>> non-zerocopy case, vq->heads were used for storing the prefetched
>> indices and updating used ring. It is also a
2018 Jul 22
0
[PATCH net-next 0/9] TX used ring batched updating for vhost
On Fri, Jul 20, 2018 at 08:15:12AM +0800, Jason Wang wrote:
> Hi:
>
> This series implement batch updating of used ring for TX. This help to
> reduce the cache contention on used ring. The idea is first split
> datacopy path from zerocopy, and do only batching for datacopy. This
> is because zercopy had already supported its own batching.
>
> TX PPS was increased 25.8%
2018 Jul 02
0
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018?07?02? 12:37, Toshiaki Makita wrote:
> On 2018/07/02 11:54, Jason Wang wrote:
>> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>>> Hi Jason,
>>>
>>> On 2018/06/29 18:30, Jason Wang wrote:
>>>> On 2018?06?29? 16:09, Toshiaki Makita wrote:
>>> ...
>>>>> To fix this, poll the work instead of enabling notification when
2018 Jul 02
0
[PATCH vhost] vhost_net: Fix too many vring kick on busypoll
On 2018?07?02? 15:11, Toshiaki Makita wrote:
> On 2018/07/02 15:17, Jason Wang wrote:
>> On 2018?07?02? 12:37, Toshiaki Makita wrote:
>>> On 2018/07/02 11:54, Jason Wang wrote:
>>>> On 2018?07?02? 10:45, Toshiaki Makita wrote:
>>>>> Hi Jason,
>>>>>
>>>>> On 2018/06/29 18:30, Jason Wang wrote:
>>>>>> On
2019 Jul 17
0
[PATCH V3 00/15] Packed virtqueue support for vhost
On Wed, Jul 17, 2019 at 06:52:40AM -0400, Jason Wang wrote:
> Hi all:
>
> This series implements packed virtqueues which were described
> at [1]. In this version we try to address the performance regression
> saw by V2. The root cause is packed virtqueue need more times of
> userspace memory accesssing which turns out to be very
> expensive. Thanks to the help of 7f466032dc9e