On Thu, Jan 11, 2018 at 10:44 PM, Darrell Budic <bu...@onholyground.com> wrote:
> Sounds like a good option to look into, but I wouldn’t want it to take > time & resources away from other, non-GPU based, methods of improving this. > Mainly because I don’t have discrete GPUs in most of my systems. While I > could add them to my main server cluster pretty easily, many of my clients > are 1U or blade systems and have no real possibility of having a GPU added. > In 3.9.0 Xavi added support to use hardware extensions on CPU if available. It uses special instructions if any of "x64", "sse", "avx" etc is available. There is also a plan to do systematic encoding in future which will be different from the current way of encoding. We need to check how performance will change with that as well. > > It would also add physical resource requirements to future client deploys, > requiring more than 1U for the server (most likely), and I’m not likely to > want to do this if I’m trying to optimize for client density, especially > with the cost of GPUs today. > > ------------------------------ > *From:* Ashish Pandey <aspan...@redhat.com> > *Subject:* [Gluster-users] Integration of GPU with glusterfs > *Date:* January 11, 2018 at 12:12:43 AM CST > *To:* Gluster Users > *Cc:* Gluster Devel > > Hi, > > We have been thinking of exploiting GPU capabilities to enhance > performance of glusterfs. We would like to know others thoughts on this. > In EC, we have been doing CPU intensive computations to encode and decode > data before writing and reading. This requires a lot of CPU cycles and we > have > been observing 100% CPU usage on client side. Data healing will also have > the same impact as it also needs to do read-decode-encode-write cycle. > As most of the modern servers comes with GPU feature, having glusterfs > GPU ready might give us performance improvements. > This is not only specific to EC volume, there are other features which > will require a lot of computations and could use this capability; For > Example: > 1 - Encryption/Decryption > 2 - Compression and de-duplication > 3 - Hashing > 4 - Any other? [Please add if you have something in mind] > > Before proceeding further we would like to have your inputs on this. > Do you have any other use case (existing or future) which could perform > better on GPU? > Do you think that it is worth to integrate GPU with glusterfs? The effort > to have this performance gain could be achieved by some other better ways. > Any input on the way we should implement it. > > There is a gihub issue opened for this. Please provide your comment or > reply to this mail. > > A - https://github.com/gluster/glusterfs/issues/388 > > --- > Ashish > _______________________________________________ > Gluster-users mailing list > Gluster-users@gluster.org > http://lists.gluster.org/mailman/listinfo/gluster-users > > > > _______________________________________________ > Gluster-users mailing list > Gluster-users@gluster.org > http://lists.gluster.org/mailman/listinfo/gluster-users > -- Pranith
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