Re: [PATCH] dts: Change hugepage runtime config to 2MB Exclusively

2024-04-09 Thread Nicholas Pratte
I will change the default hugepage total back to 256. Much of the justification for changing the default amount was based on guidelines in the DPDK documentation. In the system requirements section, an example is provided demonstrating how to allocate 2GB of 2MB hugepages. We used this reasoning wh

RE: [PATCH] dts: Change hugepage runtime config to 2MB Exclusively

2024-04-08 Thread Morten Brørup
> From: Bruce Richardson [mailto:bruce.richard...@intel.com] > Sent: Monday, 8 April 2024 10.11 > > On Sun, Apr 07, 2024 at 12:04:24AM +0200, Morten Brørup wrote: > > > From: Patrick Robb [mailto:pr...@iol.unh.edu] > > > Sent: Saturday, 6 April 2024 21.21 > > > > > > On Sat, Apr 6, 2024 at 4:47 AM

Re: [PATCH] dts: Change hugepage runtime config to 2MB Exclusively

2024-04-08 Thread Bruce Richardson
On Sun, Apr 07, 2024 at 12:04:24AM +0200, Morten Brørup wrote: > > From: Patrick Robb [mailto:pr...@iol.unh.edu] > > Sent: Saturday, 6 April 2024 21.21 > > > > On Sat, Apr 6, 2024 at 4:47 AM Morten Brørup > > wrote: > > > > > > > > > This change seems very CPU specific. > > > > > > E.g. in x86 32

RE: [PATCH] dts: Change hugepage runtime config to 2MB Exclusively

2024-04-06 Thread Morten Brørup
> From: Patrick Robb [mailto:pr...@iol.unh.edu] > Sent: Saturday, 6 April 2024 21.21 > > On Sat, Apr 6, 2024 at 4:47 AM Morten Brørup > wrote: > > > > > > This change seems very CPU specific. > > > > E.g. in x86 32-bit mode, the hugepage size is 4 MB, not 2 MB. > > > > I don't know the recommende

Re: [PATCH] dts: Change hugepage runtime config to 2MB Exclusively

2024-04-06 Thread Patrick Robb
On Sat, Apr 6, 2024 at 4:47 AM Morten Brørup wrote: > > > This change seems very CPU specific. > > E.g. in x86 32-bit mode, the hugepage size is 4 MB, not 2 MB. > > I don't know the recommended hugepage size on other architectures. > Thanks Morten, that's an important insight which we weren't awa

RE: [PATCH] dts: Change hugepage runtime config to 2MB Exclusively

2024-04-06 Thread Morten Brørup
> From: Nicholas Pratte [mailto:npra...@iol.unh.edu] > Sent: Thursday, 4 April 2024 17.31 > > The previous implementation configures and allocates hugepage sizes > based on a system default. This can lead to two problems: overallocation > of > hugepages (which may crash the remote host), and confi

Re: [PATCH] dts: Change hugepage runtime config to 2MB Exclusively

2024-04-05 Thread Patrick Robb
Recheck-request: iol-intel-Functional checking for lab infra failure On Thu, Apr 4, 2024 at 11:31 AM Nicholas Pratte wrote: > > The previous implementation configures and allocates hugepage sizes > based on a system default. This can lead to two problems: overallocation of > hugepages (which may