Re: [patch] Cache align futex hash buckets

On Tue, 21 Feb 2006, Christoph Lameter wrote:

> It does if you essentially have a 4k cacheline (because you are doing NUMA 
> in software with multiple PCs....) and transferring control of that 
> cacheline is comparatively expensive.

Of course the above statement is a rather strong simplification of what is 
actually happening .... but I hope it helps.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

---

• References:
  • [patch] Cache align futex hash buckets
    • From: Ravikiran G Thirumalai <[email protected]>
  • Re: [patch] Cache align futex hash buckets
    • From: Nick Piggin <[email protected]>
  • Re: [patch] Cache align futex hash buckets
    • From: Christoph Lameter <[email protected]>

• Prev by Date: RE: [RFC: 2.6 patch] drivers/acpi/utilities/utmisc.c: remove 3 unused global functions
• Next by Date: Re: [RFC][PATCH 2/7] VPIDs: pid/vpid conversions
• Previous by thread: Re: [patch] Cache align futex hash buckets
• Next by thread: Re: [patch] Cache align futex hash buckets
• Index(es):
  • Date
  • Thread

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]