[Vm-dev] Cannot build successfully latest VM

[Ben Coman]

On 27 November 2017 at 04:15, Nicolas Cellier <
nicolas.cellier.aka.nice at gmail.com> wrote:

>
>
>
> 2017-11-26 21:04 GMT+01:00 Clément Bera <bera.clement at gmail.com>:
>
>>
>> Hi,
>>
>> Thanks Nicolas. I will try anytime soon (Wednesday at worst) to
>> regenerate the code.
>>
>>
>
>> About MiscPlugin...
>>
>> I have set-up a project with my student for next semester (January-May).
>> The idea is to:
>> 1) Port Misc to standard plugin architecture.
>> 2) Evaluate the performance of specific primitives in JIT intrinsic (I
>> mean rewritten like SmallInteger>>#+ in the JIT), especially findSubString
>> and compareString, both with standard instructions of Cog's RTL and with
>> SSE4.2 string instructions.
>> 3) Based on evaluation, consider to move 1 or 2 primitives from plugin to
>> core VM primitives and add the intrinsic version in production.
>>
>> I did 3 steps so the project is interesting and allows to work with
>> different part of the VM, but I think only 1) is guaranteed to be done with
>> the student level. I expect therefore the Misc problem to be solved by the
>> end of March (If my student don't do it I will do it).
>>
>> If you want to collaborate on this at a rate of one ~15 min skype meeting
>> per month please tell me, I will introduce you to the student (we're all
>> French speakers).
>>
>> By the way, I think the new Misc should be renamed ByteObjectPlugin since
>> this is about ByteString & ByteArray (hash, comparison, indexOf:,
>> findSubString, ...) and BitMap (compression/decompression). What do you
>> think ?
>>
>>
> Yes, good idea, and while at it, we will make the String comparison return
> -1, 0 or 1 insted of 1,2,3.
> Maybe ByteObjectAcceleratorPlugin, but it's a bit long...
>


"Accelerator" seems redundant.  Isn't that semantic implicit in making a
plugin?

cheers -ben
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