bug#63986: Julia is very slow

[Simon Tournier]

Hi Efraim,

On Thu, 22 Jun 2023 at 23:13, Efraim Flashner <efraim@flashner.co.il> wrote:

> -         ,@(if (target-aarch64?)
> -             `("USE_BLAS64=0")
> -             '())

[...]

> +         ,@(if (target-64bit?)
> +             `("USE_BLAS64=1"

Well, I do not know but using this change USE_BLAS64=1 will be applied
to aarch64 when it was specifically not previously.  Is it expected?

> diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
> index b650b71f3b..deeffb67ae 100644
> --- a/gnu/packages/python-xyz.scm
> +++ b/gnu/packages/python-xyz.scm
> @@ -6953,19 +6953,36 @@ (define-public python-numpy

This change leads to a large rebuild.  Therefore, it should go first to
a dedicated branch, no?

Cheers,
simon