Re: Basic benchmarks

2010-09-08 Thread Loïc Minier 
On Wed, Sep 08, 2010, Michael Hope wrote:
> See http://ex.seabright.co.nz/helpers/benchcompare for more.

  at /helpers/benchcompare

 values is an empty list when calling square() in
 templates/benchcompare.html; the web backtrace seems off by some lines
 for some reason

-- 
Loïc Minier

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Re: Basic benchmarks

2010-09-08 Thread Michael Hope 
Ah, this is from me mucking about on a live server.  Will fix.

-- Michael

On Wed, Sep 8, 2010 at 8:51 PM, Loïc Minier  wrote:
> On Wed, Sep 08, 2010, Michael Hope wrote:
>> See http://ex.seabright.co.nz/helpers/benchcompare for more.
>
>   at /helpers/benchcompare
>
>  values is an empty list when calling square() in
>  templates/benchcompare.html; the web backtrace seems off by some lines
>  for some reason
>
> --
> Loďc Minier
>

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Re: Thumb2 code size improvements

2010-09-08 Thread Yao Qi 
Chung-Lin Tang wrote:
> This reminds me of a PR that Bernd did:
> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40657
> 
> It is also support for adding the r0-r3 registers to the
> epilogue/prologue push-pop for sake of reducing code size, though in a
> sense even more aggressive; it tries to merge the local stack allocation
> SP sub/add with the stm/ldm.
> 
> Bernd's patch was for Thumb-1, though I don't see why it can't be
> implemented for ARM/Thumb-2 too.

Chung-Lin,
'Unfortunately', FSF GCC trunk can do this for Thumb2.  1.c is from GCC
PR40657.

./fsf-mainline/install/bin/arm-none-linux-gnueabi-gcc -mthumb
-mcpu=cortex-a9 -Os 1.c -c -o
1.o

 :
   0:   b507push{r0, r1, r2, lr}
   2:   a801add r0, sp, #4
   4:   f7ff fffe   bl  0 
   8:   9801ldr r0, [sp, #4]
   a:   bd0epop {r1, r2, r3, pc}



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Re: Basic benchmarks

2010-09-08 Thread Michael Hope 
All better now.  I've also added OGG Vorbis encode/decode tests and
bzip2 compress/decompress tests and expanded the number of runs.  Over
the next week I'll look at re-running the 4.4.4 and 4.5.1 builds to
create a baseline.

-- Michael

On Wed, Sep 8, 2010 at 8:59 PM, Michael Hope  wrote:
> Ah, this is from me mucking about on a live server.  Will fix.
>
> -- Michael
>
> On Wed, Sep 8, 2010 at 8:51 PM, Loïc Minier  wrote:
>> On Wed, Sep 08, 2010, Michael Hope wrote:
>>> See http://ex.seabright.co.nz/helpers/benchcompare for more.
>>
>>   at /helpers/benchcompare
>>
>>  values is an empty list when calling square() in
>>  templates/benchcompare.html; the web backtrace seems off by some lines
>>  for some reason
>>
>> --
>> Loďc Minier
>>
>

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