[haiku-development] Re: Package manager

  • From: Stephan Assmus <superstippi@xxxxxx>
  • To: haiku-development@xxxxxxxxxxxxx
  • Date: Wed, 05 Aug 2009 17:07:28 +0200

On 2009-08-05 at 15:33:44 [+0200], Ingo Weinhold <ingo_weinhold@xxxxxx> 
wrote:
> On 2009-08-05 at 14:47:16 [+0200], Brecht Machiels <brecht@xxxxxxxxxxx> 
> wrote:
> > If so, at what performance cost does that come?
> 
> That depends on the decompression algorithm, but I guess the interesting 
> ones are pretty fast anyway. IIRC for Reiser 4 using block compression 
> was planned, since compressing/decompressing was considered to be 
> significantly faster than having to write/read the saved data to/from 
> disk.

It maybe faster in direct comparison, but that also means the CPU has less 
time to do other things. Usually, caching would hide much of the delay when 
accessing disks. And with good SSDs, the speed may be in favor of the 
non-compressed FS again.

Best regards,
-Stephan

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