Another mips board, 1.3 GHz, 256k L2 (ver 3.11.8, r11683)
Richards: 1284
DeltaBlue: 1349
Crypto: 1383
RayTrace: 1230
EarleyBoyer: 2492
RegExp: 323
Splay: 456
NavierStokes: 664
----
Score (version 7): 959
On May 30, 2012, at 9:12 AM, Paul Lind wrote:
> Lawrence -
>
> An 800MHz mips board we test with gets this result:
>
> Richards: 419
> DeltaBlue: 733
> Crypto: 996
> RayTrace: 531
> EarleyBoyer: 1531
> RegExp: 214
> Splay: 413
> NavierStokes: 419
> ----
> Score (version 7): 556
>
> A 900 MHz board with 512k L2 get this:
>
> Richards: 966
> DeltaBlue: 1295
> Crypto: 1222
> RayTrace: 906
> EarleyBoyer: 1567
> RegExp: 225
> Splay: 390
> NavierStokes: 424
> ----
> Score (version 7): 730
>
>
> V8 really needs 256k or greater L2 cache to do well on mips, and many older
> mips SoCs were implemented with small or no L2.
>
> The result Søren linked to was from a 24K board with no L2, and is
> substantially slower.
>
> The 74K cores will be faster than 24K or 34K cores at the same clock freq.
>
> I presume from your result that you do have FPU, as things will be quite slow
> without that, as we do not do the crankshaft optimizations in that case.
>
> You can see your core type from /proc/cpuinfo, and your cache size from the
> kernel startup logs using dmesg.
>
> Finally, it has been my experience that v8 will get substantially better
> results than JSC on the same hardware. Do you see different results than this?
>
> thanks,
>
> paul
>
> On May 30, 2012, at 5:13 AM, Lawrence wrote:
>
>> Hi guys,
>>
>> Thanks for all your information. I currently use JSC(JavaScriptCore)
>> in webkit.
>> According to the result provided by Søren, I think I should get a
>> reasonable score.
>>
>> Thanks,
>> Lawrence
>>
>> On May 30, 6:14 pm, Søren Gjesse <[email protected]> wrote:
>>> Hi,
>>>
>>> There are some older test results from using a Sigma 8654 board, 24Kc core
>>> running at 500 Mhz
>>> onhttps://github.com/paul99/v8m-rb/wiki/Test-suite-and-benchmark-result....
>>> They show a V8 benchmark score of 164, so what you are seeing
>>> looks reasonable. What is you current JavaScript engine and how does it
>>> compare to V8?
>>>
>>> Regards,
>>> Søren
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>> On Wed, May 30, 2012 at 12:00 PM, Lawrence <[email protected]> wrote:
>>>> Hi Jokob,
>>>
>>>> Thanks for your reply and reminding me to switch building tool :)
>>>
>>>> I run the simulator on my linux PC so it should have a better
>>>> performance than your cell phone.
>>>> Just want to compare the performance between V8 and the other
>>>> javascript engine.
>>>
>>>> I have a MIPS hardware with 700MHz CPU clock.
>>>> As I talked, I want to replace my original javascript engine with
>>>> V8.
>>>> However, the result isn't my expectation.
>>>
>>>> Really want to know that's the normal result for MIPS case
>>>> happened on my side.
>>>
>>>> Regards,
>>>
>>>> On May 30, 4:46 pm, Jakob Kummerow <[email protected]> wrote:
>>>>> You should use GYP/make instead of SCons to build V8 (call "make
>>>>> dependencies" once, then simply "make mips.release -j8"), but that won't
>>>>> change performance numbers.
>>>
>>>>> You seem to be running this on a pretty fast machine; for the MIPS
>>>>> simulator I get a score of only 45.6 on my box. Simulators are slow,
>>>> that's
>>>>> expected.
>>>
>>>>> I don't have any MIPS hardware. The closest I have is a Nexus S which
>>>>> scores roughly 900. Would you expect your MIPS hardware to be about one
>>>>> third as fast as a 1GHz ARM A8?
>>>
>>>>> On Wed, May 30, 2012 at 5:43 AM, Lawrence <[email protected]>
>>>> wrote:
>>>>>> I build Version 3.11.6 for little-endian MIPS with command : scons
>>>>>> arch=mips library=static sample=shell mode=release -j8 . Also setup CC
>>>>>> CXX AR LD RANLIB CXXFLAGS well.
>>>
>>>>>> And got the following result:
>>>>>> Richards: 542
>>>>>> DeltaBlue: 343
>>>>>> Crypto: 593
>>>>>> RayTrace: 211
>>>>>> EarleyBoyer: 979
>>>>>> RegExp: 120
>>>>>> Splay: 293
>>>>>> NavierStokes: 268
>>>>>> ----
>>>>>> Score (version 7): 348
>>>
>>>>>> Besides, I also built mips simulator and got the following result
>>>>>> Richards: 65.2
>>>>>> DeltaBlue: 94.6
>>>>>> Crypto: 49.3
>>>>>> RayTrace: 123
>>>>>> EarleyBoyer: 133
>>>>>> RegExp: 33.2
>>>>>> Splay: 243
>>>>>> NavierStokes: 37.1
>>>>>> ----
>>>>>> Score (version 7): 78.8
>>>
>>>>>> Could anyone get good performance on MIPS platform or just I did
>>>>>> something wrong ?
>>>
>>>>>> Regards,
>>>>>> Lawrence
>>>
>>>> --
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>>>> [email protected]
>>>> http://groups.google.com/group/v8-users
>>
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