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Re: [RFC] LZO de/compression support - take 4
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From:
Nitin Gupta <nitingupta910@...>
To: Daniel Hazelton <dhazelton@...>
Cc: Satyam Sharma <satyam.sharma@...>, Richard Purdie <richard@...>, <linux-kernel@...>, <linux-mm-cc@...>, Andrew Morton <akpm@...>, Andrey Panin <pazke@...>, Bret Towe <magnade@...>, Michael-Luke Jones <mlj28@...>
Subject:
Re: [RFC] LZO de/compression support - take 4
Date: Monday, May 28, 2007 - 5:08 am
On 5/28/07, Daniel Hazelton <dhazelton@enter.net> wrote:
quoted text
> On Monday 28 May 2007 04:37:04 Nitin Gupta wrote: > > On 5/28/07, Daniel Hazelton <dhazelton@enter.net> wrote:
<snip>
quoted text
> > > > As you mentioned in your mail, you are using lzo1x_1_11_compress() > > which is slower than what I ported (which is same as what is exported > > by miniLZO). So, can you please test with the version ported - this > > is found in lzo/src/lzo1x_1.c (or in minilzo.c). > > Also, can you please use 'take 5' for your next testing? > > > > Thanks, > > Nitin > > Will do. (that's DBITS=15, correct?) >
That's D_BITS=14
quoted text
> However, when I averaged it 100 times, lzo1x_1_11_compress() showed better > speed than your implementation - about 1.5% faster.
I don't yet have any explanation for this.
quoted text
> The *unsafe* > decompressor, however, only shows about a 1.2% speed advantage over the safe > decompressor. > > DRH >
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Messages in current thread:
[RFC] LZO de/compression support - take 4
, Nitin Gupta
, (Fri May 25, 7:45 am)
Re: [RFC] LZO de/compression support - take 4
, Satyam Sharma
, (Fri May 25, 8:32 am)
Re: [RFC] LZO de/compression support - take 4
, Richard Purdie
, (Fri May 25, 8:10 am)
Re: [RFC] LZO de/compression support - take 4
, Nitin Gupta
, (Fri May 25, 8:57 am)
Re: [RFC] LZO de/compression support - take 4
, Richard Purdie
, (Sat May 26, 6:28 am)
Re: [RFC] LZO de/compression support - take 4
, Nitin Gupta
, (Sat May 26, 7:21 am)
Re: [RFC] LZO de/compression support - take 4
, Richard Purdie
, (Fri May 25, 9:33 am)
Re: [RFC] LZO de/compression support - take 4
, Satyam Sharma
, (Fri May 25, 8:37 am)
Re: [RFC] LZO de/compression support - take 4
, Richard Purdie
, (Fri May 25, 9:38 am)
Re: [RFC] LZO de/compression support - take 4
, Daniel Hazelton
, (Fri May 25, 12:55 pm)
Re: [RFC] LZO de/compression support - take 4
, Daniel Hazelton
, (Fri May 25, 2:45 pm)
Re: [RFC] LZO de/compression support - take 4
, Satyam Sharma
, (Fri May 25, 3:35 pm)
Re: [RFC] LZO de/compression support - take 4
, Daniel Hazelton
, (Mon May 28, 4:18 am)
Re: [RFC] LZO de/compression support - take 4
, Nitin Gupta
, (Mon May 28, 4:37 am)
Re: [RFC] LZO de/compression support - take 4
, Daniel Hazelton
, (Mon May 28, 4:43 am)
Re: [RFC] LZO de/compression support - take 4
, Nitin Gupta
, (Mon May 28, 5:08 am)
Re: [RFC] LZO de/compression support - take 4
, Daniel Hazelton
, (Mon May 28, 5:21 am)
Re: [RFC] LZO de/compression support - take 4
, Nitin Gupta
, (Mon May 28, 5:46 am)
Re: [RFC] LZO de/compression support - take 4
, Daniel Hazelton
, (Mon May 28, 5:58 am)
Re: [RFC] LZO de/compression support - take 4
, Michael-Luke Jones
, (Fri May 25, 8:00 am)
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