Re: [Scheme-reports] Bitwise operations on bytes

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Re: [Scheme-reports] Bitwise operations on bytes Alex Shinn (29 Mar 2012 14:03 UTC)

Re: [Scheme-reports] Bitwise operations on bytes John Cowan (29 Mar 2012 16:15 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Alan Watson (29 Mar 2012 16:40 UTC)

Re: [Scheme-reports] Bitwise operations on bytes John Cowan (29 Mar 2012 17:40 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Per Bothner (29 Mar 2012 19:13 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Aaron W. Hsu (29 Mar 2012 20:18 UTC)

Re: Bitwise operations on bytes Arthur A. Gleckler (29 Mar 2012 20:20 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Aaron W. Hsu (29 Mar 2012 20:44 UTC)

Re: [Scheme-reports] Bitwise operations on bytes John Cowan (29 Mar 2012 20:30 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Per Bothner (29 Mar 2012 20:44 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Aubrey Jaffer (29 Mar 2012 17:56 UTC)

Re: [Scheme-reports] Bitwise operations on bytes John Cowan (29 Mar 2012 18:15 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Alan Watson (29 Mar 2012 18:26 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Aubrey Jaffer (29 Mar 2012 19:56 UTC)

Re: [Scheme-reports] Bitwise operations on bytes Aaron W. Hsu 29 Mar 2012 20:44 UTC

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On Thu, 2012-03-29 at 13:20 -0700, Arthur A. Gleckler wrote:
> Do you know what makes masking the bits on that system so expensive?
> Is there considerable overhead beyond the low-level bit-manipulation
> instructions?

I do not, though I am implementing my own version, and may have more
ability to speak on the matter later this year.

--
Aaron W. Hsu | arcfide@sacrideo.us | http://www.sacrideo.us
Programming is just another word for the lost art of thinking.