Re: [PATCH] build: pull: Compile .scm files in one process.

[ludo@gnu.org (Ludovic Courtès)]

taylanbayirli@gmail.com (Taylan Ulrich "Bayırlı/Kammer") skribis:

> Returning to this issue after a long pause, I suddenly had a new idea,
> which is to use something akin to 'use-modules' instead of 'load' on the
> files.  (I need a procedure and not a macro, and don't actually need to
> 'use' the modules, so I use 'resolve-interface' in the patch below.
> Don't know if there's a better suited procedure for this purpose.)

Sounds good.

> The tricky part is turning file names into module names,

If that’s the only tricky part, I think we’re doing OK.  ;-)

> This entails the least amount of duplicated effort from all the variants
> we had so far, and finishes in below 2 minutes on my machine.  (I think
> the only remaining duplication is the compilation of the modules during
> 'resolve-interface' and their compilation via 'compile-file', and the
> former cannot be done in parallel, so we could again cut the time to
> below half of what it is now, if we solved that.)

Not bad!

I just tried it on my laptop, and it was indeed fast.

> From 77ac65593a94673872c477bbbd18eb2465c76030 Mon Sep 17 00:00:00 2001
> From: =?UTF-8?q?Taylan=20Ulrich=20Bay=C4=B1rl=C4=B1/Kammer?=
>  <taylanbayirli@gmail.com>
> Date: Fri, 27 Nov 2015 09:27:55 +0100
> Subject: [PATCH] build: pull: Compile .scm files in one process.
>
> * guix/build/pull.scm (call-with-process, report-build-progress)
> (p-for-each): Remove.
> (build-guix): Load and compile files in one process.

Go for it!

Thank you, and apologies for the looong delay!

Ludo’.