[Rd] acml blas+lapac in R

[lejeczek]

thank you Brian
if ACML is the problem I wonder if it ever was pointed out 
to AMD
shame because ACML results in really nice performance on AMD 
hardware


On 25/02/14 10:39, Prof Brian Ripley wrote:
> Note that this is in the 'R Installation and 
> Administration Manual'. Please follow the posting guide 
> and check the manuals before posting.
>
> On 25/02/2014 08:42, lejeczek wrote:
>> dear experts
>>
>> I'd like to ask you, probably on behalf all of us who try 
>> to use AMD's
>> ACML for performance optimisation a question.
>> There seem to be problem when these two, R and ACML are 
>> coupled,
>> described here:
>>
>> http://devgurus.amd.com/message/1255852#1255852
>>
>> I'd like to ask, while not being a programmer/developer, 
>> how incorrect
>> and dangerous this might be?
>> maybe such a setup must be avoided all together?
>
> As an R developer is reputed to have said several years ago
>
> 'Do you want it fast or do you want it right?'
>
> Handing NAs correctly is pretty fundamental to R's 
> operation. There are several other optimized BLAS which 
> are not known to work incorrectly, and I always use one of 
> those.
>
>>
>> many thanks & regards
>>
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>
>