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precompute prng lxm constants #1730

Merged
merged 5 commits into from
Nov 6, 2024
Merged

precompute prng lxm constants #1730

merged 5 commits into from
Nov 6, 2024

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TyOverby
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@TyOverby TyOverby commented Nov 6, 2024

caml_int64_of_string is quite slow. Move the call from the body of caml_lxm_next to a constant.

Making this change resulted in a 2x speedup of some code that calls caml_lxm_next in a tight loop.

@TyOverby TyOverby changed the title precompute lxm constants precompute prng lxm constants Nov 6, 2024
@hhugo hhugo merged commit 3fa88ec into master Nov 6, 2024
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@hhugo hhugo deleted the precompute-lxm-constants branch November 6, 2024 21:53
hhugo added a commit to hhugo/opam-repository that referenced this pull request Nov 22, 2024
CHANGES:

## Features/Changes
* Misc: update testsuite to OCaml 5.2
* Misc: CI uses opam.2.2 and no longer use sunset repo
* Misc: yojson is no longer optional
* Misc: reduce the diff with the wasm_of_ocaml fork
* Misc: finalize support for OCaml 5.3
* Compiler: speedup global_flow/global_deadcode pass on large bytecode
* Compiler: improved global dead code elimination (ocsigen/js_of_ocaml#2206)
* Compiler: speedup json parsing, relying on Yojson.Raw (ocsigen/js_of_ocaml#1640)
* Compiler: Decode sourcemap mappings only when necessary (ocsigen/js_of_ocaml#1664)
* Compiler: mark [TextEncoder] as reserved
* Compiler: add support for the Wasm backend in parts of the pipeline, in
  prevision for the merge of wasm_of_ocaml
* Compiler: introduce a Targetint module
  that follows the semantic of the backend (js or wasm)
* Compiler: warn on joo_global_object
* Compiler: revisit static env handling (ocsigen/js_of_ocaml#1708)
* Compiler: Emit index source_map to avoid changing mappings (ocsigen/js_of_ocaml#1714, ocsigen/js_of_ocaml#1715)
* Compiler: improved source map generation (ocsigen/js_of_ocaml#1716)
* Runtime: change Sys.os_type on windows (Cygwin -> Win32)
* Runtime: backtraces are really expensive, they need to be explicitly
  requested at compile time (--enable with-js-error) or at startup (OCAMLRUNPARAM=b=1)
* Runtime: allow dynlink of precompiled js with separate compilation (ocsigen/js_of_ocaml#1676)
* Runtime: reimplement the runtime of weak and ephemeron (ocsigen/js_of_ocaml#1707)
* Lib: Modify Typed_array API for compatibility with WebAssembly
* Lib: add details element and toggle event (ocsigen/js_of_ocaml#1728)
* Toplevel: no longer set globals for toplevel initialization
* Runtime: precompute constants used in `caml_lxm_next` (ocsigen/js_of_ocaml#1730)
* Runtime: cleanup runtime

## Bug fixes
* Runtime: fix parsing of unsigned integers (0u2147483648) (ocsigen/js_of_ocaml#1633, ocsigen/js_of_ocaml#1666)
* Runtime: fix incorrect pos_in after unmarshalling
* Runtime: make float_of_string stricter (ocsigen/js_of_ocaml#1609)
* Toplevel: fix missing primitives with separate compilation
* Compiler: fix link of packed modules with separate compilation
* Compiler: Fixed the static evaluation of some equalities (ocsigen/js_of_ocaml#1659)
* Compiler: fix global analysis bug (subsumes ocsigen/js_of_ocaml#1556)
hhugo added a commit to hhugo/opam-repository that referenced this pull request Nov 23, 2024
CHANGES:

## Features/Changes
* Misc: update testsuite to OCaml 5.2
* Misc: CI uses opam.2.2 and no longer use sunset repo
* Misc: yojson is no longer optional
* Misc: reduce the diff with the wasm_of_ocaml fork
* Misc: finalize support for OCaml 5.3
* Compiler: speedup global_flow/global_deadcode pass on large bytecode
* Compiler: improved global dead code elimination (ocsigen/js_of_ocaml#2206)
* Compiler: speedup json parsing, relying on Yojson.Raw (ocsigen/js_of_ocaml#1640)
* Compiler: Decode sourcemap mappings only when necessary (ocsigen/js_of_ocaml#1664)
* Compiler: mark [TextEncoder] as reserved
* Compiler: add support for the Wasm backend in parts of the pipeline, in
  prevision for the merge of wasm_of_ocaml
* Compiler: introduce a Targetint module
  that follows the semantic of the backend (js or wasm)
* Compiler: warn on joo_global_object
* Compiler: revisit static env handling (ocsigen/js_of_ocaml#1708)
* Compiler: Emit index source_map to avoid changing mappings (ocsigen/js_of_ocaml#1714, ocsigen/js_of_ocaml#1715)
* Compiler: improved source map generation (ocsigen/js_of_ocaml#1716)
* Runtime: change Sys.os_type on windows (Cygwin -> Win32)
* Runtime: backtraces are really expensive, they need to be explicitly
  requested at compile time (--enable with-js-error) or at startup (OCAMLRUNPARAM=b=1)
* Runtime: allow dynlink of precompiled js with separate compilation (ocsigen/js_of_ocaml#1676)
* Runtime: reimplement the runtime of weak and ephemeron (ocsigen/js_of_ocaml#1707)
* Lib: Modify Typed_array API for compatibility with WebAssembly
* Lib: add details element and toggle event (ocsigen/js_of_ocaml#1728)
* Toplevel: no longer set globals for toplevel initialization
* Runtime: precompute constants used in `caml_lxm_next` (ocsigen/js_of_ocaml#1730)
* Runtime: cleanup runtime

## Bug fixes
* Runtime: fix parsing of unsigned integers (0u2147483648) (ocsigen/js_of_ocaml#1633, ocsigen/js_of_ocaml#1666)
* Runtime: fix incorrect pos_in after unmarshalling
* Runtime: make float_of_string stricter (ocsigen/js_of_ocaml#1609)
* Toplevel: fix missing primitives with separate compilation
* Compiler: fix link of packed modules with separate compilation
* Compiler: Fixed the static evaluation of some equalities (ocsigen/js_of_ocaml#1659)
* Compiler: fix global analysis bug (subsumes ocsigen/js_of_ocaml#1556)
hhugo added a commit to hhugo/opam-repository that referenced this pull request Nov 26, 2024
CHANGES:

## Features/Changes
* Misc: update testsuite to OCaml 5.2
* Misc: CI uses opam.2.2 and no longer use sunset repo
* Misc: yojson is no longer optional
* Misc: reduce the diff with the wasm_of_ocaml fork
* Misc: finalize support for OCaml 5.3
* Compiler: speedup global_flow/global_deadcode pass on large bytecode
* Compiler: improved global dead code elimination (ocsigen/js_of_ocaml#2206)
* Compiler: speedup json parsing, relying on Yojson.Raw (ocsigen/js_of_ocaml#1640)
* Compiler: Decode sourcemap mappings only when necessary (ocsigen/js_of_ocaml#1664)
* Compiler: mark [TextEncoder] as reserved
* Compiler: add support for the Wasm backend in parts of the pipeline, in
  prevision for the merge of wasm_of_ocaml
* Compiler: introduce a Targetint module
  that follows the semantic of the backend (js or wasm)
* Compiler: warn on joo_global_object
* Compiler: revisit static env handling (ocsigen/js_of_ocaml#1708)
* Compiler: Emit index source_map to avoid changing mappings (ocsigen/js_of_ocaml#1714, ocsigen/js_of_ocaml#1715)
* Compiler: improved source map generation (ocsigen/js_of_ocaml#1716)
* Runtime: change Sys.os_type on windows (Cygwin -> Win32)
* Runtime: backtraces are really expensive, they need to be explicitly
  requested at compile time (--enable with-js-error) or at startup (OCAMLRUNPARAM=b=1)
* Runtime: allow dynlink of precompiled js with separate compilation (ocsigen/js_of_ocaml#1676)
* Runtime: reimplement the runtime of weak and ephemeron (ocsigen/js_of_ocaml#1707)
* Lib: Modify Typed_array API for compatibility with WebAssembly
* Lib: add details element and toggle event (ocsigen/js_of_ocaml#1728)
* Toplevel: no longer set globals for toplevel initialization
* Runtime: precompute constants used in `caml_lxm_next` (ocsigen/js_of_ocaml#1730)
* Runtime: cleanup runtime

## Bug fixes
* Runtime: fix parsing of unsigned integers (0u2147483648) (ocsigen/js_of_ocaml#1633, ocsigen/js_of_ocaml#1666)
* Runtime: fix incorrect pos_in after unmarshalling
* Runtime: make float_of_string stricter (ocsigen/js_of_ocaml#1609)
* Toplevel: fix missing primitives with separate compilation
* Compiler: fix link of packed modules with separate compilation
* Compiler: Fixed the static evaluation of some equalities (ocsigen/js_of_ocaml#1659)
* Compiler: fix global analysis bug (subsumes ocsigen/js_of_ocaml#1556)
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2 participants