Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-11 Thread Waiman Long
On 09/10/2018 08:29 PM, Daniel Jordan wrote: > On 9/10/18 1:34 PM, John Hubbard wrote: >> On 9/10/18 10:20 AM, Davidlohr Bueso wrote: >>> On Mon, 10 Sep 2018, Waiman Long wrote: On 09/08/2018 12:13 AM, John Hubbard wrote: >> [...] > It's also interesting that there are two main huge page

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-10 Thread Daniel Jordan
On 9/8/18 12:13 AM, John Hubbard wrote: I'm interested in the first 3 of those 4 topics, so if it doesn't conflict with HMM topics or fix-gup-with-dma topics, I'd like to attend. Great, we'll add your name to the list. GPUs generally need to access large chunks of memory, and that includes

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-10 Thread Daniel Jordan
On 9/10/18 1:34 PM, John Hubbard wrote: On 9/10/18 10:20 AM, Davidlohr Bueso wrote: On Mon, 10 Sep 2018, Waiman Long wrote: On 09/08/2018 12:13 AM, John Hubbard wrote: [...] It's also interesting that there are two main huge page systems (THP and Hugetlbfs), and I sometimes wonder the

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-10 Thread John Hubbard
On 9/10/18 10:20 AM, Davidlohr Bueso wrote: > On Mon, 10 Sep 2018, Waiman Long wrote: >> On 09/08/2018 12:13 AM, John Hubbard wrote: [...] >>> It's also interesting that there are two main huge page systems (THP and >>> Hugetlbfs), and I sometimes >>> wonder the obvious thing to wonder: are these

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-10 Thread Davidlohr Bueso
On Mon, 10 Sep 2018, Waiman Long wrote: On 09/08/2018 12:13 AM, John Hubbard wrote: Hi Daniel and all, I'm interested in the first 3 of those 4 topics, so if it doesn't conflict with HMM topics or fix-gup-with-dma topics, I'd like to attend. GPUs generally need to access large chunks of

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-10 Thread Waiman Long
On 09/08/2018 12:13 AM, John Hubbard wrote: > > Hi Daniel and all, > > I'm interested in the first 3 of those 4 topics, so if it doesn't conflict > with HMM topics or > fix-gup-with-dma topics, I'd like to attend. GPUs generally need to access > large chunks of > memory, and that includes

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-07 Thread John Hubbard
On 9/4/18 2:28 PM, Daniel Jordan wrote: > Pavel Tatashin, Ying Huang, and I are excited to be organizing a performance > and scalability microconference this year at Plumbers[*], which is happening > in Vancouver this year.  The microconference is scheduled for the morning of > the second day

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-06 Thread Huang, Ying
Christopher Lameter writes: > On Thu, 6 Sep 2018, Huang, Ying wrote: > >> > Certainly interested in attending but this overlaps supercomputing 2018 in >> > Dallas Texas... >> >> Sorry to know this. It appears that there are too many conferences in >> November... > > I will try to get to it in

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-06 Thread Hugh Dickins
On Thu, Sep 6, 2018 at 2:36 PM Mike Kravetz wrote: > > On 09/05/2018 06:58 PM, Huang, Ying wrote: > > Hi, Christopher, > > > > Christopher Lameter writes: > > > >> On Tue, 4 Sep 2018, Daniel Jordan wrote: > >> > >>> - Promoting huge page usage: With memory sizes becoming ever larger, > >>>

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-06 Thread Mike Kravetz
On 09/05/2018 06:58 PM, Huang, Ying wrote: > Hi, Christopher, > > Christopher Lameter writes: > >> On Tue, 4 Sep 2018, Daniel Jordan wrote: >> >>> - Promoting huge page usage: With memory sizes becoming ever larger, huge >>> pages are becoming more and more important to reduce TLB misses and

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-06 Thread Christopher Lameter
On Thu, 6 Sep 2018, Huang, Ying wrote: > > Certainly interested in attending but this overlaps supercomputing 2018 in > > Dallas Texas... > > Sorry to know this. It appears that there are too many conferences in > November... I will try to get to it in the middle of SC18, RDMA track and RISC V

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-06 Thread Laurent Dufour
On 06/09/2018 01:01, Thomas Gleixner wrote: > On Wed, 5 Sep 2018, Laurent Dufour wrote: >> On 05/09/2018 17:10, Christopher Lameter wrote: >>> Large page sizes also reduce contention there. >> >> That's true for the page fault path, but for process's actions manipulating >> the >> memory

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-05 Thread Mike Rapoport
Hi, On Wed, Sep 05, 2018 at 07:51:34PM +, Pasha Tatashin wrote: > > On 9/5/18 2:38 AM, Mike Rapoport wrote: > > On Tue, Sep 04, 2018 at 05:28:13PM -0400, Daniel Jordan wrote: > >> Pavel Tatashin, Ying Huang, and I are excited to be organizing a > >> performance and scalability

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-05 Thread Huang, Ying
Hi, Christopher, Christopher Lameter writes: > On Tue, 4 Sep 2018, Daniel Jordan wrote: > >> - Promoting huge page usage: With memory sizes becoming ever larger, huge >> pages are becoming more and more important to reduce TLB misses and the >> overhead of memory management itself--that is,

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-05 Thread Thomas Gleixner
On Wed, 5 Sep 2018, Laurent Dufour wrote: > On 05/09/2018 17:10, Christopher Lameter wrote: > > Large page sizes also reduce contention there. > > That's true for the page fault path, but for process's actions manipulating > the > memory process's layout (mmap,munmap,madvise,mprotect) the impact

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-05 Thread Pasha Tatashin
On 9/5/18 2:38 AM, Mike Rapoport wrote: > On Tue, Sep 04, 2018 at 05:28:13PM -0400, Daniel Jordan wrote: >> Pavel Tatashin, Ying Huang, and I are excited to be organizing a performance >> and scalability microconference this year at Plumbers[*], which is happening >> in Vancouver this year.

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-05 Thread Christopher Lameter
On Wed, 5 Sep 2018, Laurent Dufour wrote: > > Large page sizes also reduce contention there. > > That's true for the page fault path, but for process's actions manipulating > the > memory process's layout (mmap,munmap,madvise,mprotect) the impact is minimal > unless the code has to manipulate

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-05 Thread Laurent Dufour
On 05/09/2018 17:10, Christopher Lameter wrote: > On Tue, 4 Sep 2018, Daniel Jordan wrote: > >> - Promoting huge page usage: With memory sizes becoming ever larger, huge >> pages are becoming more and more important to reduce TLB misses and the >> overhead of memory management itself--that

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-05 Thread Christopher Lameter
On Tue, 4 Sep 2018, Daniel Jordan wrote: > - Promoting huge page usage: With memory sizes becoming ever larger, huge > pages are becoming more and more important to reduce TLB misses and the > overhead of memory management itself--that is, to make the system scalable > with the memory size.

Re: Plumbers 2018 - Performance and Scalability Microconference

2018-09-05 Thread Mike Rapoport
On Tue, Sep 04, 2018 at 05:28:13PM -0400, Daniel Jordan wrote: > Pavel Tatashin, Ying Huang, and I are excited to be organizing a performance > and scalability microconference this year at Plumbers[*], which is happening > in Vancouver this year. The microconference is scheduled for the morning

Plumbers 2018 - Performance and Scalability Microconference

2018-09-04 Thread Daniel Jordan
Pavel Tatashin, Ying Huang, and I are excited to be organizing a performance and scalability microconference this year at Plumbers[*], which is happening in Vancouver this year. The microconference is scheduled for the morning of the second day (Wed, Nov 14). We have a preliminary agenda and