Re: x32 psABI status update

["H.J. Lu" <hjl.tools@gmail.com>]

More data

    * 186.crafty from SPEC CPU 2000 (64bit integer):
          o Intel Core i7
                + ~5% slower than x86-64.
                + ~29% faster than ia32.
                + Sizes in bytes:

                           text       data        bss        dec
 hex    filename
                     200519      16388    1068916    1285823
139ebf    crafty.32
                     172389      16868    1069784    1259041
133621    crafty.64
                     174723      16564    1068916    1260203
133aab    crafty.x32

          o Intel Atom
                + ~6% slower than x86-64.
                + ~7% faster than ia32.
                + Sizes in bytes:

                       text       data        bss        dec
hex    filename
                 199339      16388    1068916    1284643     139a23    crafty.32
                 171157      16868    1069784    1257809     133151    crafty.64
                 173535      16564    1068916    1259015     133607
crafty.x32

H.J.
---
On Sat, Feb 19, 2011 at 11:23 AM, Xinliang David Li <davidxl@google.com> wrote:
> This shows how important ilp32 is for some applications. It would be good to
> show the impact of larger register set. Candidates are those spec programs
> which are slower with ia32.
>
> David
>
> On Feb 19, 2011 10:14 AM, "H.J. Lu" <hjl.tools@gmail.com> wrote:
>> On Fri, Feb 18, 2011 at 8:28 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>> On Wed, Feb 16, 2011 at 9:45 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>>> On Wed, Feb 16, 2011 at 11:22 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
>>>>> Hi,
>>>>>
>>>>> I updated  x32 psABI draft to version 0.2 to change x32 library path
>>>>> from lib32 to libx32 since lib32 is used for ia32 libraries on Debian,
>>>>> Ubuntu and other derivative distributions. The new x32 psABI is
>>>>> available from:
>>>>>
>>>>> https://sites.google.com/site/x32abi/home
>>>>>
>>>>
>>>> Initial kernel, glibc and gcc port for x32 psABI draft version 0.2  is
>>>> done:
>>>>
>>>> 1. Kernel should be very stable.  Fedora 14 kernel patch is also
>>>> available.
>>>> 2. Need to fix GCC run-time libraries.
>>>> 3. Need to fix glibc tests.
>>>>
>>>> Please check them out and provide feed backs.
>>>
>>> I updated x32 website:
>>>
>>> https://sites.google.com/site/x32abi/
>>>
>>> with "get started" instructions.
>>>
>>
>> I update the x32 website
>>
>> https://sites.google.com/site/x32abi/
>>
>> with data on mcf in SPEC CPU 2K:
>>
>> * 181.mcf from SPEC CPU 2000:
>> o Intel Core i7
>> + ~32% faster than x86-64.
>> + ~1% slower than ia32.
>> + Sizes in bytes:
>>
>> text data bss dec
>> hex filename
>> 12155 336 7036 19527
>> 4c47 mcf.32
>> 12421 664 13568 26653
>> 681d mcf.64
>> 11583 412 7040 19035
>> 4a5b mcf.x32
>>
>> o Intel Atom
>> + ~28% faster than x86-64.
>> + ~0.5% slower than ia32.
>> + Sizes in bytes:
>>
>> text data bss dec
>> hex filename
>> 12059 336 7036 19431
>> 4be7 mcf.32
>> 12341 664 13568 26573
>> 67cd mcf.64
>> 11411 412 7040 18863
>> 49af mcf.x32
>>
>>
>> --
>> H.J.
>



-- 
H.J.