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[Xen-devel] [PATCH 0/4] bitops: hweight<N>() improvements

To: "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
From: "Jan Beulich" <JBeulich@xxxxxxxx>
Date: Fri, 31 May 2019 03:48:03 -0600
Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>, George Dunlap <George.Dunlap@xxxxxxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, Tim Deegan <tim@xxxxxxx>, Julien Grall <julien.grall@xxxxxxx>
Delivery-date: Fri, 31 May 2019 09:48:20 +0000
List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

1: bitops: speed up hweight<N>()
2: x86: further speed-up to hweight{32,64}()
3: RFC: Arm64: further speed-up to hweight{32,64}()
4: x86: use POPCNT for hweight<N>() when available

Jan



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Follow-Ups:
- [Xen-devel] [PATCH 4/4] x86: use POPCNT for hweight<N>() when available
  - From: Jan Beulich
- [Xen-devel] [PATCH RFC 3/4] Arm64: further speed-up to hweight{32, 64}()
  - From: Jan Beulich
- [Xen-devel] [PATCH 2/4] x86: further speed-up to hweight{32,64}()
  - From: Jan Beulich
- [Xen-devel] [PATCH 1/4] bitops: speed up hweight<N>()
  - From: Jan Beulich

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