> On Mon, 12 Oct 2009, Rob Clark wrote: > > > It would be great to use the GPU for ZFS or to offload some of ... > > Let us know when you have a demo ready. :-)
[b]Other[/b] demos showing a few 'lousy speed-ups of only 2 times' with some speed-ups reaching over 1000 times faster. The general consensus seems to be that a 8-12 times speed-up is a reasonable expectation (with some effort) for the so-called "average Problem". See: http://www.nvidia.com/object/cuda_apps_flash_new.html > > If SunStudio had some GPU support and there were a few functions > > added for the hotpoints ... > > GPUs are great for some things but it is difficult to imagine a GPU > being of assistance in the zfs implementation due to way too much > latency, optimization for floating point rather than integer, and due > to creating a "hotpoint". For zfs it is much better to spread the > load across multiple CPU cores using many threads as is done now. > > Bob > -- If you wait long enough someone will 'build a Bridge to it' ... Accelerating Distributed Storage Systems with CUDA - Paper & Code http://www.nvidia.com/object/cuda_apps_flash_new.html#state=detailsOpen;aid=e223fbfc-f017-498c-8174-699747dbd88b Real-time Parallel Hashing on the GPU http://www.nvidia.com/object/cuda_apps_flash_new.html#state=detailsOpen;aid=d91c3c63-a2d6-4a15-a70a-87bcafdd70d8 CUDA Multiforcer - Password Recovery or Testing if Password is 'Secure Enough' http://www.nvidia.com/object/cuda_apps_flash_new.html#state=detailsOpen;aid=9e515da5-c97e-4c37-8305-f27982a02d5f Parallelizing Hash-based Data Carving http://www.nvidia.com/object/cuda_apps_flash_new.html#state=detailsOpen;aid=f93b62b6-b6af-497e-83a8-865af31c8d7a and Paper: http://arxiv.org/abs/0901.1307 Support for OpenCL in OpenSolaris would be a good thing, Rob -- This message posted from opensolaris.org _______________________________________________ zfs-code mailing list [email protected] http://mail.opensolaris.org/mailman/listinfo/zfs-code
