[squeak-dev] Raspberry Pi Performance (was: Bibi, a Scratch
port to recent Squeak)
Juan Vuletich (mail lists)
juanlists at jvuletich.org
Sat Feb 23 20:22:45 UTC 2013
Quoting tim Rowledge <tim at rowledge.org>:
>
> On 23-02-2013, at 11:01 AM, Bert Freudenberg <bert at freudenbergs.de> wrote:
>
>>
>> On 23.02.2013, at 19:24, tim Rowledge <tim at rowledge.org> wrote:
>>
>>>
>>> On 23-02-2013, at 5:58 AM, "Juan Vuletich (mail lists)"
>>> <juanlists at jvuletich.org> wrote:
>>>> What tinyBenchmarks performance do you get?
>>>
>>> My Pi does about 42Mbc/s and 1.4Msn/s
>>
>> Under Linux, using the pre-installed Squeak VM and the Cuis image,
>> I get 35 Mbytecodes/s and 1.0 Msends/s.
>>
>> Guess the Linux VM could use some of your ARM-Fu?
>
>
> Ouch. That's quite a difference.
>
>>>
>>> Try to get a Pi sometime. You'll adore the sheer cuteness of
>>> having a machine that small and raw to play with. Download RISC OS
>>> and enjoy a *really fun* operating system as well.
>>
>> I'll stick to Linux for the time being :)
>
> Ya big wuss. ;-) Virtual memory etc has made you soft.
>
>>
>> Well, under MVC, all windows except the active one are dead. In
>> Morphic they're live.
>
> And maybe part of the problem is that not everything *needs* to be
> alive all the time. Perhaps simply making appropriate morphs 'go
> zombie' for a while would improve performance?
>
>>
>> Which is not to say this couldn't be improved: in the Scratch
>> image, opening a browser is almost instantaneous (Scratch: 0.x
>> secs, Etoys: 3 secs, Squeak: 3 secs, Cuis: 6 secs).
>
> True; on the Pi opening a browser in the Scratch image is near
> instant. Of course, they're absolutely hideously coloured. In fact,
> long-dead-zombie colour wouldn't be too inaccurate. Anyone
> interested in improving browser performance in Morphic should play
> with the Scratch 'source code release' image and try to bring the
> latest versions up to that same speed.
Or (as I said in other messages), check Cuis 4.0. It opens the browser
14 times faster than Cuis 4.1. At least, the looks are quite nicer.
>
> tim
> --
> tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
> Oxymorons: Almost exactly
>
>
>
>
Cheers,
Juan Vuletich
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