[Mono-devel-list] Improved NumberFormatter

[Kazuki Oikawa]

On Mon, 21 Feb 2005 16:31:21 +0100
Paolo Molaro <lupus at ximian.com> wrote:

 > On 02/21/05 Kazuki Oikawa wrote:
 > > I improved NumberFormatter and improved performance and memory usage
 > > when integer standard format.
 >
 > If you have numbers, please post them.

int.ToString ("C")
Old : 18900000 [147091 KB]
New :  8750000 [ 96090 KB]

int.ToString ("D")
Old : 10630000 [84810 KB]
New :  5940000 [51604 KB]

int.ToString ("E")
Old : 37810000 [413557 KB]
New :  8280000 [ 59041 KB]

int.ToString ("F")
Old : 14370000 [147093 KB]
New :  6720000 [ 53557 KB]

int.ToString ("G")
Old : 12180000 [111069 KB]
New :  6400000 [ 88496 KB]

int.ToString ("N")
Old : 19840000 [157834 KB]
New :  8280000 [ 73631 KB]

int.ToString ("X")
Old : 21880000 [134478 KB]
New :  8910000 [ 61233 KB]

using code:
static void Main ()
{
     DateTime dt = DateTime.Now;
     for (int i = 0; i < 500000; i++)
         i.ToString (); //c,d,e,f,n,x
     Console.WriteLine (DateTime.Now.Subtract (dt).Ticks);
}

 >
 > > When this patch is applied, some wrappers in NumberFormatter.cs,
 > > DoubleFormatter.cs and SingleFormatter.cs are unnecessary.
 >
 > Please also submit a patch to remove the now-useless stuff.
 >
 > > Additionally, I attached NumberFomatter which I improved.
 >
 > Post the changes in diff format.
 >
 > > Please review it.
 >
 > And do not compress them: you should also configure your mail
 > program to send text files as text files, instead of
 > application/octet-stream.
Sorry...
Reattached patches. Is this OK?


Best regards.
Kazuki Oikawa
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