Would you send me your hard float experiment results you presented in Budapest?

[Zach Pfeffer]

Including Bero who's looked at this recently.

On 2 September 2011 05:41, David Rusling <david.rusling at linaro.org> wrote:
> Zach,
>        you'd need to use multiarch and have multiple installed libraries so that you could support both hard and soft float ABI.   Does Android do anything different / interesting in its image / shared library loader(s)?
> Dave
>
> On 30 Aug 2011, at 17:24, Zach Pfeffer wrote:
>
>> Steve,
>>
>> I'd like you to meet Jim who did the initial hardfloat work. This
>> email contains the results that Jim produced.
>>
>> I believe that the conclusion was that skia and webkit may benefit,
>> but that such benefits would impose an undue burden on Android's
>> distribution model which tries to create libs that can run on as many
>> architectures as possible.
>>
>> -Zach
>>
>>
>> ---------- Forwarded message ----------
>> From: Jim Huang <jserv at 0xlab.org>
>> Date: 7 August 2011 18:01
>> Subject: Re: Would you send me your hard float experiment results you
>> presented in Budapest?
>> To: Zach Pfeffer <zach.pfeffer at linaro.org>
>>
>>
>> 2011/8/7 Zach Pfeffer <zach.pfeffer at linaro.org>:
>>> Jim,
>>>
>>> Thanks. Would it be possible to post them by the end of the day?
>>
>> skia ->
>>
>>    Switch from VFP back to fixed scalar based calculation
>>
>>    Previous configuration enabled ARM VFP for scalar float, but VFP on
>>    ARM11 is not as powerful as VFPv3 or NEON.
>>
>>    Reference benchmark:
>>    Item            Fixed based     VFP-based
>>    ------------    -----------     ---------
>>    Draw Canvas     58.37 fps       58.40 fps
>>    Draw Circle     37.48 fps       22.93 fps
>>    Draw Circle2    17.14 fps       18.31 fps
>>    Draw Rect       17.62 fps       20.69 fps
>>    Draw Arc        24.79 fps       27.45 fps
>>    Draw Image      19.08 fps       18.73 fps
>>    Draw Text       29.22 fps       25.79 fps
>>
>>
>>>
>>> Also, have you sync'd up with Mike? He wants to negotiate on your contract.
>>
>> I sent mail to Mike already.  I don't know how to proceed.
>>
>> Thanks,
>> -jserv
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>
>