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 <davi...@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.to...@gmail.com> wrote:
>> On Fri, Feb 18, 2011 at 8:28 PM, H.J. Lu <hjl.to...@gmail.com> wrote:
>>> On Wed, Feb 16, 2011 at 9:45 PM, H.J. Lu <hjl.to...@gmail.com> wrote:
>>>> On Wed, Feb 16, 2011 at 11:22 AM, H.J. Lu <hjl.to...@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.
