Faster Bin2ASCII

[lingo]

I rewrote speed optimized
"Binary-to-ASCII Decimal Conversion Suppressing Leading Zeros" algo
by  AMD (see AMD  Software Optimization Guide 25112.pdf)
As a result I have 88 instructions  vs 101 instructions from AMD and my time is:

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P4 3.6 GHz, 2GB RAM,  Vista Ultimate with SP1 
156 cycles, bin2ascii-AMD
92 cycles, bin2ascii-lingo
Press any key to exit...

P4 3.6 GHz, 2GB RAM,  Windows XP Pro with SP2 
123 cycles, bin2ascii-AMD
95 cycles, bin2ascii-lingo
Press any key to exit...

Pls, delete your old zip and download new one again.

Regards,
Lingo



[attachment deleted by admin]

[thomas_remkus]

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134 cycles, bin2ascii-AMD
126 cycles, bin2ascii-lingo

XP Pro SP2
Intel 2.8GHz
1.25GB RAM

[lingo]

try again and again until you receive better results... :wink

[jj2007]

Me trying hard, too  :wink

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134 cycles, bin2ascii-AMD
127 cycles, bin2ascii-lingo

XP SP1, 512 MB Ram

[MichaelW]

Intel P3, Win2k SP4:

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72 cycles, bin2ascii-AMD
62 cycles, bin2ascii-lingo


[Ossa]

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51 cycles, bin2ascii-AMD
43 cycles, bin2ascii-lingo

AMD 64 Mobility Athlon 3400+
512MB RAM
Win XP Home (SP2) (32-bit)

Ossa

[hutch--]

3.2 gig Prescott 800 meg fsb.

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123 cycles, bin2ascii-AMD
95 cycles, bin2ascii-lingo
Press any key to exit...


LATER

Here is the timing on my 2.8 gig Northwood.

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133 cycles, bin2ascii-AMD
121 cycles, bin2ascii-lingo
Press any key to exit...


It appears the code in your latest version favours the later Intel hardware, I would be interested to see how it performed on both late AMD and Intel Core2 Duos.

[lingo]

Thanks Hutch,
My CPU is Prescott too, so
I receive the similar results  :wink

To All: Pls, reload the last one zip file 

[jj2007]

Compliments, Lingo!

XP SP2, Pentium 4 3.4 GHz, 1.5 G RAM

221 cycles, bin2ascii-AMD
147 cycles, bin2ascii-lingo

149 cycles, bin2ascii-AMD
95 cycles, bin2ascii-lingo

149 cycles, bin2ascii-AMD
97 cycles, bin2ascii-lingo

149 cycles, bin2ascii-AMD
97 cycles, bin2ascii-lingo

149 cycles, bin2ascii-AMD
95 cycles, bin2ascii-lingo

[Ossa]

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51 cycles, bin2ascii-AMD
48 cycles, bin2ascii-lingo

(same setup as before).

AMD 64 Mobility Athlon 3400+
512MB RAM
Win XP Home (SP2) (32-bit)

that's worse than before for me (it was 43 cycles last time).

Ossa

[MichaelW]

The new version is a little slower on my P3:

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72 cycles, bin2ascii-AMD
65 cycles, bin2ascii-lingo


[GregL]

Pentium D 940 (3.2 GHz)

123 cycles, bin2ascii-AMD
95 cycles, bin2ascii-lingo

[thomas_remkus]

123 - AMD
96 - lingo

[jj2007]

120 cycles, bin2ascii-AMD
96 cycles, bin2ascii-lingo

Celeron 2.4 GHz, 448 MB RAM, XP SP1

The P4 on my office box (SP2) is slower for AMD, see above

[u]

Sempron 3000+

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51 cycles, bin2ascii-AMD
48 cycles, bin2ascii-lingo