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GNU: GCC, G'MIC, and Guile

Submitted by Roy Schestowitz on Monday 12th of April 2021 10:34:54 AM Filed under
GNU

  • Intel Rocket Lake Target Added To GCC 11

    While Intel is often very proactive in adding new CPU families to the open-source GCC and LLVM/Clang compilers where it tends to land a year or more in advance of the processors actually shipping, occasionally there are slipups. Today in fact the "Rocket Lake" support finally was merged into GCC 11 days ahead of that compiler release and after the CPUs were already launched at the end of March.

    This morning the Rocket Lake support was merged so users/developers can enjoy the likes of -march=rocketlake beginning with GCC 11 and possibly back-ported to a future GCC 10.x point release.

  • G'MIC 2.9.7 Is Released

    G'MIC is a really advanced framework for image processing. It can be used stand-alone or as a plug-in for GIMP and other image manipulation software. The latest version is a minor update to the G'MIC development branch that will eventually lead to a big 3.0 release. 2.9.7 brings better support for .webp images, a new meigen command and two bug-fixes.

  • Andy Wingo: guile's reader, in guile

    Like many language implementations that started life when you could turn on the radio and expect to hear Def Leppard, Guile has a bottom half and a top half. The bottom half is written in C and exposes a shared library and an executable, and the top half is written in the language itself (Scheme, in the case of Guile) and somehow loaded by the C code when the language implementation starts.

    Since 2010 or so we have been working at replacing bits written in C with bits written in Scheme. Last week's missive was about replacing the implementation of dynamic-link from using the libltdl library to using Scheme on top of a low-level dlopen wrapper. I've written about rewriting eval in Scheme, and more recently about how the road to getting the performance of C implementations in Scheme has been sometimes long.

    These rewrites have a quixotic aspect to them. I feel something in my gut about rightness and wrongness and I know at a base level that moving from C to Scheme is the right thing. Much of it is completely irrational and can be out of place in a lot of contexts -- like if you have a task to get done for a customer, you need to sit and think about minimal steps from here to the goal and the gut doesn't have much of a role to play in how you get there. But it's nice to have a project where you can do a thing in the way you'd like, and if it takes 10 years, that's fine.

»

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today's howtos

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