Le 30/12/2017 à 07:58, Matthew Wilcox a écrit :
> On Wed, Dec 27, 2017 at 10:10:34AM +0100, Brice Goglin wrote:
>>> Perhaps we can enlist /proc/iomem or a similar enumeration interface
>>> to tell userspace the NUMA node and whether the kernel thinks it has
>>> better or worse performance charact
On Wed, Dec 27, 2017 at 10:10:34AM +0100, Brice Goglin wrote:
> > Perhaps we can enlist /proc/iomem or a similar enumeration interface
> > to tell userspace the NUMA node and whether the kernel thinks it has
> > better or worse performance characteristics relative to base
> > system-RAM, i.e. new I
Le 22/12/2017 à 23:53, Dan Williams a écrit :
> On Thu, Dec 21, 2017 at 12:31 PM, Brice Goglin wrote:
>> Le 20/12/2017 à 23:41, Ross Zwisler a écrit :
> [..]
>> Hello
>>
>> I can confirm that HPC runtimes are going to use these patches (at least
>> all runtimes that use hwloc for topology discover
On Sat, Dec 23, 2017 at 12:57 AM, Dan Williams wrote:
> On Fri, Dec 22, 2017 at 3:22 PM, Ross Zwisler
> wrote:
>> On Fri, Dec 22, 2017 at 02:53:42PM -0800, Dan Williams wrote:
>>> On Thu, Dec 21, 2017 at 12:31 PM, Brice Goglin
>>> wrote:
>>> > Le 20/12/2017 à 23:41, Ross Zwisler a écrit :
>>> [
On Fri, Dec 22, 2017 at 3:22 PM, Ross Zwisler
wrote:
> On Fri, Dec 22, 2017 at 02:53:42PM -0800, Dan Williams wrote:
>> On Thu, Dec 21, 2017 at 12:31 PM, Brice Goglin
>> wrote:
>> > Le 20/12/2017 à 23:41, Ross Zwisler a écrit :
>> [..]
>> > Hello
>> >
>> > I can confirm that HPC runtimes are goi
On Fri, Dec 22, 2017 at 02:53:42PM -0800, Dan Williams wrote:
> On Thu, Dec 21, 2017 at 12:31 PM, Brice Goglin wrote:
> > Le 20/12/2017 à 23:41, Ross Zwisler a écrit :
> [..]
> > Hello
> >
> > I can confirm that HPC runtimes are going to use these patches (at least
> > all runtimes that use hwloc
On Thu, Dec 21, 2017 at 12:31 PM, Brice Goglin wrote:
> Le 20/12/2017 à 23:41, Ross Zwisler a écrit :
[..]
> Hello
>
> I can confirm that HPC runtimes are going to use these patches (at least
> all runtimes that use hwloc for topology discovery, but that's the vast
> majority of HPC anyway).
>
> W
On Thu, Dec 21, 2017 at 01:41:15AM +, Elliott, Robert (Persistent Memory)
wrote:
>
>
> > -Original Message-
> > From: Linux-nvdimm [mailto:linux-nvdimm-boun...@lists.01.org] On Behalf Of
> > Ross Zwisler
> ...
> >
> > On Wed, Dec 20, 2017 at 10:19:37AM -0800, Matthew Wilcox wrote:
>
Le 20/12/2017 à 23:41, Ross Zwisler a écrit :
> On Wed, Dec 20, 2017 at 02:29:56PM -0800, Dan Williams wrote:
>> On Wed, Dec 20, 2017 at 1:24 PM, Ross Zwisler
>> wrote:
>>> On Wed, Dec 20, 2017 at 01:16:49PM -0800, Matthew Wilcox wrote:
On Wed, Dec 20, 2017 at 12:22:21PM -0800, Dave Hansen wr
Matthew Wilcox writes:
> On Mon, Dec 18, 2017 at 01:35:47PM -0700, Ross Zwisler wrote:
>> What I'm hoping to do with this series is to just provide a sysfs
>> representation of the HMAT so that applications can know which NUMA nodes to
>> select with existing utilities like numactl. This series
> -Original Message-
> From: Linux-nvdimm [mailto:linux-nvdimm-boun...@lists.01.org] On Behalf Of
> Ross Zwisler
...
>
> On Wed, Dec 20, 2017 at 10:19:37AM -0800, Matthew Wilcox wrote:
...
> > initiator is a CPU? I'd have expected you to expose a memory controller
> > abstraction rather
On Wed, Dec 20, 2017 at 02:29:56PM -0800, Dan Williams wrote:
> On Wed, Dec 20, 2017 at 1:24 PM, Ross Zwisler
> wrote:
> > On Wed, Dec 20, 2017 at 01:16:49PM -0800, Matthew Wilcox wrote:
> >> On Wed, Dec 20, 2017 at 12:22:21PM -0800, Dave Hansen wrote:
> >> > On 12/20/2017 10:19 AM, Matthew Wilcox
On Wed, Dec 20, 2017 at 1:24 PM, Ross Zwisler
wrote:
> On Wed, Dec 20, 2017 at 01:16:49PM -0800, Matthew Wilcox wrote:
>> On Wed, Dec 20, 2017 at 12:22:21PM -0800, Dave Hansen wrote:
>> > On 12/20/2017 10:19 AM, Matthew Wilcox wrote:
>> > > I don't know what the right interface is, but my laptop h
On Wed, Dec 20, 2017 at 01:16:49PM -0800, Matthew Wilcox wrote:
> On Wed, Dec 20, 2017 at 12:22:21PM -0800, Dave Hansen wrote:
> > On 12/20/2017 10:19 AM, Matthew Wilcox wrote:
> > > I don't know what the right interface is, but my laptop has a set of
> > > /sys/devices/system/memory/memoryN/ direc
On Wed, Dec 20, 2017 at 12:22:21PM -0800, Dave Hansen wrote:
> On 12/20/2017 10:19 AM, Matthew Wilcox wrote:
> > I don't know what the right interface is, but my laptop has a set of
> > /sys/devices/system/memory/memoryN/ directories. Perhaps this is the
> > right place to expose write_bw (etc).
>
On Wed, Dec 20, 2017 at 10:19:37AM -0800, Matthew Wilcox wrote:
> On Mon, Dec 18, 2017 at 01:35:47PM -0700, Ross Zwisler wrote:
> > What I'm hoping to do with this series is to just provide a sysfs
> > representation of the HMAT so that applications can know which NUMA nodes to
> > select with exis
On 12/20/2017 10:19 AM, Matthew Wilcox wrote:
> I don't know what the right interface is, but my laptop has a set of
> /sys/devices/system/memory/memoryN/ directories. Perhaps this is the
> right place to expose write_bw (etc).
Those directories are already too redundant and wasteful. I think we
On Mon, Dec 18, 2017 at 01:35:47PM -0700, Ross Zwisler wrote:
> What I'm hoping to do with this series is to just provide a sysfs
> representation of the HMAT so that applications can know which NUMA nodes to
> select with existing utilities like numactl. This series does not currently
> alter any
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