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Re: [ft-devel] FT_MulDiv optimization
From: |
Behdad Esfahbod |
Subject: |
Re: [ft-devel] FT_MulDiv optimization |
Date: |
Fri, 04 Jul 2014 13:27:04 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 14-07-04 06:12 AM, Werner LEMBERG wrote:
>>> Well, at the same time it reduces the available range for `c' by
>>> more than 50%.
>>
>> I was greedy with the space for a and b. With a + b < 2*46340
>> instead, c can use the same old limit. We can expand c a lot further
>> by making a+b only a bit smaller.
>
> OK. Another reason for a statistical analysis :-)
Not worth it. If Alexei keeps a + b < 2*46340 then this is a clear
improvement and needs no further analysis.
--
behdad
http://behdad.org/
- [ft-devel] FT_MulDiv optimization, Alexei Podtelezhnikov, 2014/07/03
- Re: [ft-devel] FT_MulDiv optimization, Alexei Podtelezhnikov, 2014/07/04
- Re: [ft-devel] FT_MulDiv optimization, Behdad Esfahbod, 2014/07/04
- Re: [ft-devel] FT_MulDiv optimization, Alexei Podtelezhnikov, 2014/07/04
- Re: [ft-devel] FT_MulDiv optimization, Behdad Esfahbod, 2014/07/04
- Re: [ft-devel] FT_MulDiv optimization, Werner LEMBERG, 2014/07/04
- Re: [ft-devel] FT_MulDiv optimization, Alexei Podtelezhnikov, 2014/07/04
- Re: [ft-devel] FT_MulDiv optimization, Werner LEMBERG, 2014/07/05