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OCaml 5.4 native Arm32 branch

Recently, I have been using my Pi Zero (armv6), which has reminded me that OCaml 5 dropped native 32-bit support, and I wondered what it would take to reinstate it.

arm32 armv6 bench byte compiler git multicore native opt slowest

27 Nov 2025

Marc Elvers

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Fold for cheap pattern-matching

Summary of a response regarding the encoding of visitors without pattern matching in OCaml, using the fold function.

fold lambdas matching none opt option_obj pattern pattern matching when_none when_some

18 Mar 2024

grim.cargocut.org

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[ARTICLE]

Profiling OCaml amd64 code under Linux

We have recently worked on modifying the OCaml system to be able to profile OCaml code on Linux amd64 systems, using the processor performance counters now supported by stable kernels. This page presents this work, funded by Jane Street. The patch is provided for OCaml version 4.00.0. If you need it...

caml_page_table_lookup camlset__add_1073 compare_val kallsyms ocaml-4 ocamlopt opt patch profiling tar

08 Aug 2012

OCamlPro

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Gdb debugging...

Last month my brother came to visit and we did what every normal family would do: have beer and talk comp-scy. When he asked me how we debu...

backtrace big_list bin breakpoint camlident__find_same_16167 debugging gdb ocamlopt opt stack

07 Oct 2011

Till Varoquaux

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