Re: Support for amdgpu VM update via CPU on large-bar systems

2017-05-13 Thread Christian König
Am 12.05.2017 um 21:25 schrieb Felix Kuehling: On 17-05-12 04:43 AM, Christian König wrote: Am 12.05.2017 um 10:37 schrieb zhoucm1: If the sdma is faster, even they wait for finish, which time is shorter than CPU, isn't it? Of course, the precondition is sdma is exclusive. They can reserve a

Re: Support for amdgpu VM update via CPU on large-bar systems

2017-05-12 Thread Felix Kuehling
On 17-05-12 04:43 AM, Christian König wrote: > Am 12.05.2017 um 10:37 schrieb zhoucm1: >> >> >> >> If the sdma is faster, even they wait for finish, which time is >> shorter than CPU, isn't it? Of course, the precondition is sdma is >> exclusive. They can reserve a sdma for PT updating. >> > > No,

Re: Support for amdgpu VM update via CPU on large-bar systems

2017-05-12 Thread zhoucm1
On 2017年05月12日 16:43, Christian König wrote: Am 12.05.2017 um 10:37 schrieb zhoucm1: On 2017年05月12日 16:33, Christian König wrote: Am 12.05.2017 um 10:25 schrieb zhoucm1: On 2017年05月10日 05:47, Kasiviswanathan, Harish wrote: Hi, Please review the patch set that supports amdgpu VM update

Re: Support for amdgpu VM update via CPU on large-bar systems

2017-05-12 Thread Christian König
Am 12.05.2017 um 10:37 schrieb zhoucm1: On 2017年05月12日 16:33, Christian König wrote: Am 12.05.2017 um 10:25 schrieb zhoucm1: On 2017年05月10日 05:47, Kasiviswanathan, Harish wrote: Hi, Please review the patch set that supports amdgpu VM update via CPU. This feature provides improved

Re: Support for amdgpu VM update via CPU on large-bar systems

2017-05-12 Thread zhoucm1
On 2017年05月12日 16:33, Christian König wrote: Am 12.05.2017 um 10:25 schrieb zhoucm1: On 2017年05月10日 05:47, Kasiviswanathan, Harish wrote: Hi, Please review the patch set that supports amdgpu VM update via CPU. This feature provides improved performance for compute (HSA) where mapping /

Re: Support for amdgpu VM update via CPU on large-bar systems

2017-05-12 Thread zhoucm1
On 2017年05月10日 05:47, Kasiviswanathan, Harish wrote: Hi, Please review the patch set that supports amdgpu VM update via CPU. This feature provides improved performance for compute (HSA) where mapping / unmapping is carried out (by Kernel) independent of command submissions (done directly by

Re: Support for amdgpu VM update via CPU on large-bar systems

2017-05-10 Thread Christian König
: Wednesday, May 10, 2017 3:24 AM To: Kasiviswanathan, Harish <harish.kasiviswanat...@amd.com>; amd-gfx@lists.freedesktop.org Subject: Re: Support for amdgpu VM update via CPU on large-bar systems Hi Harish, for the next time please use git send-email to send patches to the mailing list.

Support for amdgpu VM update via CPU on large-bar systems

2017-05-09 Thread Kasiviswanathan, Harish
Hi, Please review the patch set that supports amdgpu VM update via CPU. This feature provides improved performance for compute (HSA) where mapping / unmapping is carried out (by Kernel) independent of command submissions (done directly by user space). This version doesn't support shadow copy

Support for amdgpu VM update via CPU on large-bar systems

2017-05-09 Thread Kasiviswanathan, Harish
Hi, Please review the patch set that supports amdgpu VM update via CPU. This feature provides improved performance for compute (HSA) where mapping / unmapping is carried out (by Kernel) independent of command submissions (done directly by user space). This version doesn't support shadow copy