[Vm-dev] Reed Solomon plugins & performance slow down

[Robert Withers]

I am getting this warning when cross compiling the Squeak plugin to C code.

> warning, signature of InterpreterProxy>>instantiateClass:indexableSize: does not match reference implementation.

---
Kindly,
Robert

On 6/4/21 1:21 PM, Robert Withers wrote:

> Nope, this wasn't it.
>
> ---
> Kindly,
> Robert
>
> On 6/4/21 12:36 PM, Robert wrote:
>
>> Oh! Heading for a coffee with my nurse. I realized I may be passing the field into the primitive instead of the field size. I’ll check it when I get back home!
>>
>> Kindly,
>> Robert
>> . .. ... ‘...^,^
>>
>> On Fri, Jun 4, 2021 at 12:12, Robert Withers <robert.withers at pm.me> wrote:
>>
>>>>
>>>
>>> Oh! I forgot to relocate leaves that have already been plugganized. This leaves (heh) 3 possible plugganizations that all instantiate ByteArrays. Here, I fixed it.
>>>
>>>> WITH GF & GFPOLY PRIMITIVES AND DECODER
>>>>
>>>> PRIMITIVES
>>>>
>>>> (
>>>>
>>>> 3
>>>>
>>>> asterix
>>>>
>>>> for
>>>>
>>>> in-progress plugganization)
>>>>
>>>> - 22194 tallies, 22648 msec.
>>>>
>>>> **Leaves**
>>>> 29.1%
>>>>
>>>> {
>>>>
>>>> 6586
>>>>
>>>> ms} RSFECDecoderWithPlugin>>decode:twoS:
>>>>
>>>> 14.7
>>>>
>>>> % {
>>>>
>>>> 3329
>>>>
>>>> ms} RSFECGenericGFPoly
>>>>
>>>> class
>>>>
>>>>>
>>>>
>>>>>newField:coefficients:
>>>>
>>>> 1.0
>>>>
>>>> % {
>>>>
>>>> 237
>>>>
>>>> ms} RSFECDecoderWithPlugin>>runEuclideanAlgorithmPoly:poly:rDegrees:
>>>
>>> Calls to plugganized GF/GFPoly methods, so I think these are as optimized as possible:
>>>
>>>> 7.3
>>>>
>>>> % {
>>>>
>>>> 1646
>>>>
>>>> ms} RSFECDecoderWithPlugin>>primFindErrorLocationsDegree:coefficients:result:fieldSize:
>>>>
>>>> 2.9
>>>>
>>>> % {
>>>>
>>>> 654
>>>>
>>>> ms} RSFECDecoderWithPlugin>>findErrorMagnitudes:errorLocations:
>>>>
>>>> 1.4
>>>>
>>>> % {
>>>>
>>>> 317
>>>>
>>>> ms} RSFECGenericGFWithPlugin>>
>>>>
>>>> log
>>>>
>>>> :
>>>
>>> ---
>>> Kindly,
>>> Robert
>>>
>>> On 6/4/21 12:02 PM, Robert Withers wrote:
>>>
>>>>> WITH GF & GFPOLY PRIMITIVES AND DECODER
>>>>>
>>>>> PRIMITIVES
>>>>>
>>>>> (
>>>>>
>>>>> 3
>>>>>
>>>>> asterix
>>>>>
>>>>> for
>>>>>
>>>>> in-progress plugganization)
>>>>>
>>>>> - 22194 tallies, 22648 msec.
>>>>>
>>>>> **Leaves**
>>>>> 29.1%
>>>>>
>>>>> {
>>>>>
>>>>> 6586
>>>>>
>>>>> ms} RSFECDecoderWithPlugin>>decode:twoS:
>>>>>
>>>>> 14.7
>>>>>
>>>>> % {
>>>>>
>>>>> 3329
>>>>>
>>>>> ms} RSFECGenericGFPoly
>>>>>
>>>>> class
>>>>>
>>>>>>
>>>>>
>>>>>>newField:coefficients:
>>>>>
>>>>> 7.3
>>>>>
>>>>> % {
>>>>>
>>>>> 1646
>>>>>
>>>>> ms} RSFECDecoderWithPlugin>>primFindErrorLocationsDegree:coefficients:result:fieldSize:
>>>>>
>>>>> 2.9
>>>>>
>>>>> % {
>>>>>
>>>>> 654
>>>>>
>>>>> ms} RSFECDecoderWithPlugin>>findErrorMagnitudes:errorLocations:
>>>>>
>>>>> 1.0
>>>>>
>>>>> % {
>>>>>
>>>>> 237
>>>>>
>>>>> ms} RSFECDecoderWithPlugin>>runEuclideanAlgorithmPoly:poly:rDegrees:
>>>>
>>>> Calls to plugganized GF/GFPoly methods:
>>>>
>>>>> 1.4% {317ms} RSFECGenericGFWithPlugin>>log:
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.squeakfoundation.org/pipermail/vm-dev/attachments/20210604/3c62e1a2/attachment-0001.html>