avr-libc-dev
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [avr-libc-dev] libm: Speed or IEEE 754 functionality? Both!


From: Björn Haase
Subject: Re: [avr-libc-dev] libm: Speed or IEEE 754 functionality? Both!
Date: Mon, 30 Jan 2006 18:48:37 +0100
User-agent: KMail/1.7.1

Dmitry K. wrote on Sonntag, 29. Januar 2006 23:10 :
> Hi.
>
> In two right columns time of operations after addition of
> the IEEE 754 rules is shown. After little changes speed has
> increased even, sometimes - considerably. Measurements are
> lead on files of random numbers (on 500 pieces). Files are
> picked up in view of features of this or that function.
> t1_trunc.h      -1    -1      -1    -1     114   114
> t2_atan2.h      -1    -1    6248  3825    5323  2872
> t2_fmod.h       -1    -1    1545  1321     127   127
> t2_pow.h        -1    -1   12336  7777    9201  4950
>
> Dmitry.

Congratulation!

Björn :-).




reply via email to

[Prev in Thread] Current Thread [Next in Thread]