[racket-dev] Passing flvectors to BLAS and LAPACK

Put the time machine away, Matthew. You're not fooling anybody.

Thanks. :D

On 12/20/2012 07:33 PM, Matthew Flatt wrote:
> `flvector->cpointer'?
>
> At Thu, 20 Dec 2012 19:17:13 -0700, Neil Toronto wrote:
>> How hard would it be to allow flvectors to be passed to foreign
>> functions as double pointers?
>>
>> BLAS and LAPACK linear algebra functions primarily accept pointers to
>> floating-point arrays in row-major order. If we could send flvectors
>> directly (or at least pointers to their elements), we could reuse the
>> `FlArray' type for LAPACK-accelerated matrices, cut down on copying, and
>> more easily transparently use LAPACK on systems that have it.
>>
>> Would it require somehow allocating flvectors with 'atomic-interior so
>> they wouldn't be relocated?
>>
>> Neil ⊥