(removed Richard Purdie and Albin Tonnerre as their email addresses
seem to be bounding)
> While recently asking someone to enable VFP debugging, so I could help
> sort out a problem they had reported, this is the debug output I was
> greeted by thanks to your meddling:
:) Meddling... You sound
On Wed, 27 Feb 2013 09:51:39 +
Russell King - ARM Linux wrote:
> On Wed, Feb 27, 2013 at 04:36:47PM +0900, Kyungsik Lee wrote:
> > Compiler: Linaro ARM gcc 4.6.2
> > 2. ARMv7, 1.7GHz based board
> >Kernel: linux 3.7
> >Uncompressed Kernel Size: 14MB
> > Compressed Size Decom
On Wed, Feb 27, 2013 at 09:39:47AM -0800, Joe Perches wrote:
> On Wed, 2013-02-27 at 12:16 -0500, Nicolas Pitre wrote:
> > On Wed, 27 Feb 2013, Joe Perches wrote:
> > > On Wed, 2013-02-27 at 16:31 +, Russell King - ARM Linux wrote:
> > > > On Wed, Feb 27, 2013 at 07:49:12AM -0800, Joe Perches w
On Wed, 27 Feb 2013, Joe Perches wrote:
> On Wed, 2013-02-27 at 12:16 -0500, Nicolas Pitre wrote:
> > RMK says that "66% increase in decompression speed over LZO" is
> > significant. You apparently disagree with that.
>
> Yeah, I can see how that can be interpreted.
> I'm referring only to the
On Wed, 2013-02-27 at 12:16 -0500, Nicolas Pitre wrote:
> On Wed, 27 Feb 2013, Joe Perches wrote:
> > On Wed, 2013-02-27 at 16:31 +, Russell King - ARM Linux wrote:
> > > On Wed, Feb 27, 2013 at 07:49:12AM -0800, Joe Perches wrote:
> > > > On Wed, 2013-02-27 at 09:56 +, Russell King - ARM L
On Wed, Feb 27, 2013 at 09:04:48AM -0800, Joe Perches wrote:
> On Wed, 2013-02-27 at 16:31 +, Russell King - ARM Linux wrote:
> > On Wed, Feb 27, 2013 at 07:49:12AM -0800, Joe Perches wrote:
> > > On Wed, 2013-02-27 at 09:56 +, Russell King - ARM Linux wrote:
> > > > On Tue, Feb 26, 2013 at
On Wed, 27 Feb 2013, Joe Perches wrote:
> On Wed, 2013-02-27 at 16:31 +, Russell King - ARM Linux wrote:
> > On Wed, Feb 27, 2013 at 07:49:12AM -0800, Joe Perches wrote:
> > > On Wed, 2013-02-27 at 09:56 +, Russell King - ARM Linux wrote:
> > > > On Tue, Feb 26, 2013 at 05:40:34PM -0800, J
On Wed, 2013-02-27 at 16:31 +, Russell King - ARM Linux wrote:
> On Wed, Feb 27, 2013 at 07:49:12AM -0800, Joe Perches wrote:
> > On Wed, 2013-02-27 at 09:56 +, Russell King - ARM Linux wrote:
> > > On Tue, Feb 26, 2013 at 05:40:34PM -0800, Joe Perches wrote:
> > > > On Tue, 2013-02-26 at 2
On Wed, Feb 27, 2013 at 04:31:18PM +, Russell King - ARM Linux wrote:
> I'm not saying that the LZO code should not be updated. I'm saying
> that the kernel boot time decompressor is not a play ground for an
> ever increasing number of "my favourite compression method" crap.
> We don't need fou
On Wed, Feb 27, 2013 at 07:49:12AM -0800, Joe Perches wrote:
> On Wed, 2013-02-27 at 09:56 +, Russell King - ARM Linux wrote:
> > On Tue, Feb 26, 2013 at 05:40:34PM -0800, Joe Perches wrote:
> > > On Tue, 2013-02-26 at 22:10 +, Russell King - ARM Linux wrote:
> > > > So... for a selected ke
On Wed, 27 Feb 2013, Joe Perches wrote:
> https://lkml.org/lkml/2013/1/29/145
Connecting to lkml.org (lkml.org)|87.253.128.182|:443... connected.
HTTP request sent, awaiting response... 500 Server Error
> I did not and do not see significant value in
> adding LZ4 given Markus' LZO improvements.
On Wed, 2013-02-27 at 09:56 +, Russell King - ARM Linux wrote:
> On Tue, Feb 26, 2013 at 05:40:34PM -0800, Joe Perches wrote:
> > On Tue, 2013-02-26 at 22:10 +, Russell King - ARM Linux wrote:
> > > So... for a selected kernel version of a particular size, can we please
> > > have a compari
On Wed, 27 Feb 2013, Johannes Stezenbach wrote:
> On Wed, Feb 27, 2013 at 09:51:39AM +, Russell King - ARM Linux wrote:
> > On Wed, Feb 27, 2013 at 04:36:47PM +0900, Kyungsik Lee wrote:
> > > Compiler: Linaro ARM gcc 4.6.2
> > > 2. ARMv7, 1.7GHz based board
> > >Kernel: linux 3.7
> > >
On Wed, Feb 27, 2013 at 09:51:39AM +, Russell King - ARM Linux wrote:
> On Wed, Feb 27, 2013 at 04:36:47PM +0900, Kyungsik Lee wrote:
> > Compiler: Linaro ARM gcc 4.6.2
> > 2. ARMv7, 1.7GHz based board
> >Kernel: linux 3.7
> >Uncompressed Kernel Size: 14MB
> > Compressed Size
On Wed, Feb 27, 2013 at 09:51:39AM +, Russell King - ARM Linux wrote:
> On Wed, Feb 27, 2013 at 04:36:47PM +0900, Kyungsik Lee wrote:
> > Compiler: Linaro ARM gcc 4.6.2
> > 2. ARMv7, 1.7GHz based board
> >Kernel: linux 3.7
> >Uncompressed Kernel Size: 14MB
> > Compressed Size
On Tue, Feb 26, 2013 at 05:40:34PM -0800, Joe Perches wrote:
> On Tue, 2013-02-26 at 22:10 +, Russell King - ARM Linux wrote:
> > So... for a selected kernel version of a particular size, can we please
> > have a comparison between the new LZO code and this LZ4 code, so that
> > we can see whet
On Wed, Feb 27, 2013 at 04:36:47PM +0900, Kyungsik Lee wrote:
> Compiler: Linaro ARM gcc 4.6.2
> 2. ARMv7, 1.7GHz based board
>Kernel: linux 3.7
>Uncompressed Kernel Size: 14MB
> Compressed Size Decompression Speed
> LZO 6.0MB34.1MB/sOld
> ---
On Tue, Feb 26, 2013 at 09:33:22PM +0100, Markus F.X.J. Oberhumer wrote:
> On 2013-02-26 07:24, Kyungsik Lee wrote:
> > Hi,
> >
> > [...]
> >
> > Through the benchmark, it was found that -Os Compiler flag for
> > decompress.o brought better decompression performance in most of cases
> > (ex, diff
On Tue, 2013-02-26 at 22:10 +, Russell King - ARM Linux wrote:
> So... for a selected kernel version of a particular size, can we please
> have a comparison between the new LZO code and this LZ4 code, so that
> we can see whether it's worth updating the LZO code or replacing the
> LZO code with
On Tue, Feb 26, 2013 at 10:58:02PM +0100, Peter Korsgaard wrote:
> > "Nicolas" == Nicolas Pitre writes:
>
> Hi,
>
> >> Did you actually *try* the new LZO version and the patch (which is
> attached
> >> once again) as explained in https://lkml.org/lkml/2013/2/3/367 ?
> >>
> >> Because t
On Tue, 26 Feb 2013, Peter Korsgaard wrote:
> > "Nicolas" == Nicolas Pitre writes:
>
> Hi,
>
> >> Did you actually *try* the new LZO version and the patch (which is
> attached
> >> once again) as explained in https://lkml.org/lkml/2013/2/3/367 ?
> >>
> >> Because the new LZO version i
> "Nicolas" == Nicolas Pitre writes:
Hi,
>> Did you actually *try* the new LZO version and the patch (which is attached
>> once again) as explained in https://lkml.org/lkml/2013/2/3/367 ?
>>
>> Because the new LZO version is faster than LZ4 in my testing, at least
>> when comparing app
On Tue, 26 Feb 2013, Markus F.X.J. Oberhumer wrote:
> On 2013-02-26 07:24, Kyungsik Lee wrote:
> > Hi,
> >
> > [...]
> >
> > Through the benchmark, it was found that -Os Compiler flag for
> > decompress.o brought better decompression performance in most of cases
> > (ex, different compiler and h
On 2013-02-26 07:24, Kyungsik Lee wrote:
> Hi,
>
> [...]
>
> Through the benchmark, it was found that -Os Compiler flag for
> decompress.o brought better decompression performance in most of cases
> (ex, different compiler and hardware spec.) in ARM architecture.
>
> Lastly, CONFIG_HAVE_EFFICIEN
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