Wasm: integer optimizations #2032
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Looking at the benchmarks, I don't see improvements. Is this expected? |
Avoid unnecessary conversions between 31- and 32-bit integers
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There are in fact nice improvement in the micro benchmarks |
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I dont have time to understand the entire change, the CI is happy, you can merge if you want or wait for someone else to do some review (@OlivierNicole ?) |
hhugo
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Jun 27, 2025
CHANGES: ## Features/Changes * Misc: drop support for OCaml 4.12 and bellow * Misc: switch to dune.3.19 * Misc: initial support for ocaml 5.4 (ocsigen/js_of_ocaml#2030, ocsigen/js_of_ocaml#2058) * Compiler: support for OCaml 4.14.3+trunk (ocsigen/js_of_ocaml#1844) * Compiler: add the `--empty-sourcemap` flag * Compiler: improve debug/sourcemap location of closures (ocsigen/js_of_ocaml#1947) * Compiler: optimize compilation of switches (ocsigen/js_of_ocaml#1921, ocsigen/js_of_ocaml#2057) * Compiler: evaluate statically more primitives (ocsigen/js_of_ocaml#1912, ocsigen/js_of_ocaml#1915, ocsigen/js_of_ocaml#1965, ocsigen/js_of_ocaml#1969) * Compiler: rewrote inlining pass (ocsigen/js_of_ocaml#1935, ocsigen/js_of_ocaml#2018, ocsigen/js_of_ocaml#2027) * Compiler: improve tailcall optimization (ocsigen/js_of_ocaml#1943) * Compiler: improve deadcode optimization (ocsigen/js_of_ocaml#1963, ocsigen/js_of_ocaml#1962, ocsigen/js_of_ocaml#1967) * Compiler: deadcode elimination of cyclic values (ocsigen/js_of_ocaml#1978) * Compiler: remove empty blocks (ocsigen/js_of_ocaml#1934) * Compiler: improve coloring optimization (ocsigen/js_of_ocaml#1971, ocsigen/js_of_ocaml#1984, ocsigen/js_of_ocaml#1986, ocsigen/js_of_ocaml#1989) * Compiler: faster constant sharing (ocsigen/js_of_ocaml#1988) * Compiler: faster js code generation (ocsigen/js_of_ocaml#1985) * Compiler: improve performance of Javascript linking * Compiler: more efficient code generation from bytecode (ocsigen/js_of_ocaml#1972) * Compiler: faster compilation by improving the scheduling of optimization passes (ocsigen/js_of_ocaml#1962, ocsigen/js_of_ocaml#2001, ocsigen/js_of_ocaml#2012, ocsigen/js_of_ocaml#2027) * Compiler: faster compilation by stopping sooner when optimizations become unproductive (ocsigen/js_of_ocaml#1939) * Compiler: Propagate arity between compilation units (ocsigen/js_of_ocaml#1594) * Compiler: Add flags to enable/disable warnings (ocsigen/js_of_ocaml#2052) * Compiler/wasm: directly write Wasm binary modules (ocsigen/js_of_ocaml#2000, ocsigen/js_of_ocaml#2003) * Compiler/wasm: faster wat output (ocsigen/js_of_ocaml#1992) * Compiler/wasm: use a Wasm text files preprocessor (ocsigen/js_of_ocaml#1822) * Compiler/wasm: optimize integer operations (ocsigen/js_of_ocaml#2032) * Compiler/wasm: use type analysis to remove some unnecessary uses of JavasScript strict equality (ocsigen/js_of_ocaml#2040) * Compiler/wasm: use more precise environment types (ocsigen/js_of_ocaml#2041) * Compiler/wasm: optimize calls to statically known function (ocsigen/js_of_ocaml#2044) * Runtime: use es6 class (ocsigen/js_of_ocaml#1840) * Runtime: support more Unix functions (ocsigen/js_of_ocaml#1829) * Runtime: remove polyfill for Map to simplify MlObjectTable implementation (ocsigen/js_of_ocaml#1846) * Runtime: refactor caml_xmlhttprequest_create implementation (ocsigen/js_of_ocaml#1846) * Runtime: update constant imports to use `node:fs` module (ocsigen/js_of_ocaml#1850) * Runtime: make Obj.dup work with floats and boxed numbers (ocsigen/js_of_ocaml#1871) * Runtime: delete BigStringReader, one should use UInt8ArrayReader instead * Runtime: less conversion during un-marshalling (ocsigen/js_of_ocaml#1889) * Runtime: use TextEncoder/TextDecoder for utf8-utf16 conversions * Runtime: use Dataview to convert between floats and bit representation * Runtime: optimize Str.search_forward/search_backward (ocsigen/js_of_ocaml#2056) * Runtime: deprecate caml_ba_create_from (ocsigen/js_of_ocaml#2056) * Runtime: check for unused variable in the runtime (ocsigen/js_of_ocaml#2056) * Runtime/wasm: implement BLAKE2b primitives for Wasm (ocsigen/js_of_ocaml#1873) * Runtime/wasm: support jsoo_env and keep track of backtrace status (ocsigen/js_of_ocaml#1881) * Runtime/wasm: support unmarshaling compressed data (ocsigen/js_of_ocaml#1898) * Runtime/wasm: make resuming a continuation more efficient in Wasm (ocsigen/js_of_ocaml#1892) * Runtime/wasm: use imported string constants for JavaScript strings (ocsigen/js_of_ocaml#2022) * Runtime/wasm: use DataView primitives to implement bigarrays (ocsigen/js_of_ocaml#1979) * Ppx: explicitly disallow polymorphic method (ocsigen/js_of_ocaml#1897) * Ppx: allow "function" in object literals (ocsigen/js_of_ocaml#1897) * Lib: add Dom_html.window.matchMedia & Dom_html.mediaQueryList (ocsigen/js_of_ocaml#2017) * Lib: make the Wasm version of Json.output work with native ints and JavaScript objects (ocsigen/js_of_ocaml#1872) ## Bug fixes * Compiler: fix stack overflow issues with double translation (ocsigen/js_of_ocaml#1869) * Compiler: minifier fix (ocsigen/js_of_ocaml#1867) * Compiler: fix shortvar with --enable es6 (AssignTarget was not properly handled) * Compiler: fix assert failure with double translation (ocsigen/js_of_ocaml#1870) * Compiler: fix path rewriting of Wasm source maps (ocsigen/js_of_ocaml#1882) * Compiler: fix global dead code in presence of dead tailcall (ocsigen/js_of_ocaml#2010) * Compiler/wasm: fix bound check for empty float array (ocsigen/js_of_ocaml#1904) * Runtime: fix path normalization (ocsigen/js_of_ocaml#1848) * Runtime: fix reading from the pseudo-filesystem (ocsigen/js_of_ocaml#1859) * Runtime: fix initialization of standard streams under Windows (ocsigen/js_of_ocaml#1849) * Runtime: fix Int64.of_string overflow check (ocsigen/js_of_ocaml#1874) * Runtime: fix caml_string_concat when not using JS strings (ocsigen/js_of_ocaml#1874) * Runtime: consistent bigarray hashing across all architectures (ocsigen/js_of_ocaml#1977) * Runtime: fix caml_utf8_of_utf16 bug in high surrogate case (ocsigen/js_of_ocaml#2008) * Runtime: fix method lookup (ocsigen/js_of_ocaml#2034, ocsigen/js_of_ocaml#2038, ocsigen/js_of_ocaml#2039) * Lib: fix Dom_html.Keyboard_code.of_event (ocsigen/js_of_ocaml#1878) * Tools: fix jsoo_mktop and jsoo_mkcmis (ocsigen/js_of_ocaml#1877) * Toplevel: fix for when use-js-strings is disabled (ocsigen/js_of_ocaml#1997)
This was referenced Jun 27, 2025
hhugo
added a commit
to hhugo/opam-repository
that referenced
this pull request
Jul 4, 2025
CHANGES: ## Features/Changes * Misc: drop support for OCaml 4.12 and bellow * Misc: switch to dune.3.19 * Misc: initial support for ocaml 5.4 (ocsigen/js_of_ocaml#2030, ocsigen/js_of_ocaml#2058) * Compiler: support for OCaml 4.14.3+trunk (ocsigen/js_of_ocaml#1844) * Compiler: add the `--empty-sourcemap` flag * Compiler: improve debug/sourcemap location of closures (ocsigen/js_of_ocaml#1947) * Compiler: optimize compilation of switches (ocsigen/js_of_ocaml#1921, ocsigen/js_of_ocaml#2057) * Compiler: evaluate statically more primitives (ocsigen/js_of_ocaml#1912, ocsigen/js_of_ocaml#1915, ocsigen/js_of_ocaml#1965, ocsigen/js_of_ocaml#1969) * Compiler: rewrote inlining pass (ocsigen/js_of_ocaml#1935, ocsigen/js_of_ocaml#2018, ocsigen/js_of_ocaml#2027) * Compiler: improve tailcall optimization (ocsigen/js_of_ocaml#1943) * Compiler: improve deadcode optimization (ocsigen/js_of_ocaml#1963, ocsigen/js_of_ocaml#1962, ocsigen/js_of_ocaml#1967) * Compiler: deadcode elimination of cyclic values (ocsigen/js_of_ocaml#1978) * Compiler: remove empty blocks (ocsigen/js_of_ocaml#1934) * Compiler: improve coloring optimization (ocsigen/js_of_ocaml#1971, ocsigen/js_of_ocaml#1984, ocsigen/js_of_ocaml#1986, ocsigen/js_of_ocaml#1989) * Compiler: faster constant sharing (ocsigen/js_of_ocaml#1988) * Compiler: faster js code generation (ocsigen/js_of_ocaml#1985, ocsigen/js_of_ocaml#2066) * Compiler: improve performance of Javascript linking * Compiler: more efficient code generation from bytecode (ocsigen/js_of_ocaml#1972) * Compiler: faster compilation by improving the scheduling of optimization passes (ocsigen/js_of_ocaml#1962, ocsigen/js_of_ocaml#2001, ocsigen/js_of_ocaml#2012, ocsigen/js_of_ocaml#2027) * Compiler: faster compilation by stopping sooner when optimizations become unproductive (ocsigen/js_of_ocaml#1939) * Compiler: Propagate arity between compilation units (ocsigen/js_of_ocaml#1594) * Compiler: Add flags to enable/disable warnings (ocsigen/js_of_ocaml#2052) * Compiler/wasm: directly write Wasm binary modules (ocsigen/js_of_ocaml#2000, ocsigen/js_of_ocaml#2003) * Compiler/wasm: faster wat output (ocsigen/js_of_ocaml#1992) * Compiler/wasm: use a Wasm text files preprocessor (ocsigen/js_of_ocaml#1822) * Compiler/wasm: optimize integer operations (ocsigen/js_of_ocaml#2032) * Compiler/wasm: use type analysis to remove some unnecessary uses of JavasScript strict equality (ocsigen/js_of_ocaml#2040) * Compiler/wasm: use more precise environment types (ocsigen/js_of_ocaml#2041) * Compiler/wasm: optimize calls to statically known function (ocsigen/js_of_ocaml#2044) * Runtime: use es6 class (ocsigen/js_of_ocaml#1840) * Runtime: support more Unix functions (ocsigen/js_of_ocaml#1829) * Runtime: remove polyfill for Map to simplify MlObjectTable implementation (ocsigen/js_of_ocaml#1846) * Runtime: refactor caml_xmlhttprequest_create implementation (ocsigen/js_of_ocaml#1846) * Runtime: update constant imports to use `node:fs` module (ocsigen/js_of_ocaml#1850) * Runtime: make Obj.dup work with floats and boxed numbers (ocsigen/js_of_ocaml#1871) * Runtime: delete BigStringReader, one should use UInt8ArrayReader instead * Runtime: less conversion during un-marshalling (ocsigen/js_of_ocaml#1889) * Runtime: use TextEncoder/TextDecoder for utf8-utf16 conversions * Runtime: use Dataview to convert between floats and bit representation * Runtime: optimize Str.search_forward/search_backward (ocsigen/js_of_ocaml#2056) * Runtime: deprecate caml_ba_create_from (ocsigen/js_of_ocaml#2056) * Runtime: check for unused variable in the runtime (ocsigen/js_of_ocaml#2056) * Runtime/wasm: implement BLAKE2b primitives for Wasm (ocsigen/js_of_ocaml#1873) * Runtime/wasm: support jsoo_env and keep track of backtrace status (ocsigen/js_of_ocaml#1881) * Runtime/wasm: support unmarshaling compressed data (ocsigen/js_of_ocaml#1898) * Runtime/wasm: make resuming a continuation more efficient in Wasm (ocsigen/js_of_ocaml#1892) * Runtime/wasm: use imported string constants for JavaScript strings (ocsigen/js_of_ocaml#2022) * Runtime/wasm: use DataView primitives to implement bigarrays (ocsigen/js_of_ocaml#1979) * Ppx: explicitly disallow polymorphic method (ocsigen/js_of_ocaml#1897) * Ppx: allow "function" in object literals (ocsigen/js_of_ocaml#1897) * Lib: add Dom_html.window.matchMedia & Dom_html.mediaQueryList (ocsigen/js_of_ocaml#2017) * Lib: make the Wasm version of Json.output work with native ints and JavaScript objects (ocsigen/js_of_ocaml#1872) ## Bug fixes * Compiler: fix stack overflow issues with double translation (ocsigen/js_of_ocaml#1869) * Compiler: minifier fix (ocsigen/js_of_ocaml#1867) * Compiler: fix shortvar with --enable es6 (AssignTarget was not properly handled) * Compiler: fix assert failure with double translation (ocsigen/js_of_ocaml#1870) * Compiler: fix path rewriting of Wasm source maps (ocsigen/js_of_ocaml#1882) * Compiler: fix global dead code in presence of dead tailcall (ocsigen/js_of_ocaml#2010) * Compiler/wasm: fix bound check for empty float array (ocsigen/js_of_ocaml#1904) * Runtime: fix path normalization (ocsigen/js_of_ocaml#1848) * Runtime: fix reading from the pseudo-filesystem (ocsigen/js_of_ocaml#1859) * Runtime: fix initialization of standard streams under Windows (ocsigen/js_of_ocaml#1849) * Runtime: fix Int64.of_string overflow check (ocsigen/js_of_ocaml#1874) * Runtime: fix caml_string_concat when not using JS strings (ocsigen/js_of_ocaml#1874) * Runtime: consistent bigarray hashing across all architectures (ocsigen/js_of_ocaml#1977) * Runtime: fix caml_utf8_of_utf16 bug in high surrogate case (ocsigen/js_of_ocaml#2008) * Runtime: fix method lookup (ocsigen/js_of_ocaml#2034, ocsigen/js_of_ocaml#2038, ocsigen/js_of_ocaml#2039) * Lib: fix Dom_html.Keyboard_code.of_event (ocsigen/js_of_ocaml#1878) * Tools: fix jsoo_mktop and jsoo_mkcmis (ocsigen/js_of_ocaml#1877) * Toplevel: fix for when use-js-strings is disabled (ocsigen/js_of_ocaml#1997)
hhugo
added a commit
to hhugo/opam-repository
that referenced
this pull request
Jul 4, 2025
CHANGES: ## Features/Changes * Misc: drop support for OCaml 4.12 and bellow * Misc: switch to dune.3.19 * Misc: initial support for ocaml 5.4 (ocsigen/js_of_ocaml#2030, ocsigen/js_of_ocaml#2058) * Compiler: support for OCaml 4.14.3+trunk (ocsigen/js_of_ocaml#1844) * Compiler: add the `--empty-sourcemap` flag * Compiler: improve debug/sourcemap location of closures (ocsigen/js_of_ocaml#1947) * Compiler: optimize compilation of switches (ocsigen/js_of_ocaml#1921, ocsigen/js_of_ocaml#2057) * Compiler: evaluate statically more primitives (ocsigen/js_of_ocaml#1912, ocsigen/js_of_ocaml#1915, ocsigen/js_of_ocaml#1965, ocsigen/js_of_ocaml#1969) * Compiler: rewrote inlining pass (ocsigen/js_of_ocaml#1935, ocsigen/js_of_ocaml#2018, ocsigen/js_of_ocaml#2027) * Compiler: improve tailcall optimization (ocsigen/js_of_ocaml#1943) * Compiler: improve deadcode optimization (ocsigen/js_of_ocaml#1963, ocsigen/js_of_ocaml#1962, ocsigen/js_of_ocaml#1967) * Compiler: deadcode elimination of cyclic values (ocsigen/js_of_ocaml#1978) * Compiler: remove empty blocks (ocsigen/js_of_ocaml#1934) * Compiler: improve coloring optimization (ocsigen/js_of_ocaml#1971, ocsigen/js_of_ocaml#1984, ocsigen/js_of_ocaml#1986, ocsigen/js_of_ocaml#1989) * Compiler: faster constant sharing (ocsigen/js_of_ocaml#1988) * Compiler: faster js code generation (ocsigen/js_of_ocaml#1985, ocsigen/js_of_ocaml#2066) * Compiler: improve performance of Javascript linking * Compiler: more efficient code generation from bytecode (ocsigen/js_of_ocaml#1972) * Compiler: faster compilation by improving the scheduling of optimization passes (ocsigen/js_of_ocaml#1962, ocsigen/js_of_ocaml#2001, ocsigen/js_of_ocaml#2012, ocsigen/js_of_ocaml#2027) * Compiler: faster compilation by stopping sooner when optimizations become unproductive (ocsigen/js_of_ocaml#1939) * Compiler: Propagate arity between compilation units (ocsigen/js_of_ocaml#1594) * Compiler: Add flags to enable/disable warnings (ocsigen/js_of_ocaml#2052) * Compiler/wasm: directly write Wasm binary modules (ocsigen/js_of_ocaml#2000, ocsigen/js_of_ocaml#2003) * Compiler/wasm: faster wat output (ocsigen/js_of_ocaml#1992) * Compiler/wasm: use a Wasm text files preprocessor (ocsigen/js_of_ocaml#1822) * Compiler/wasm: optimize integer operations (ocsigen/js_of_ocaml#2032) * Compiler/wasm: use type analysis to remove some unnecessary uses of JavasScript strict equality (ocsigen/js_of_ocaml#2040) * Compiler/wasm: use more precise environment types (ocsigen/js_of_ocaml#2041) * Compiler/wasm: optimize calls to statically known function (ocsigen/js_of_ocaml#2044) * Runtime: use es6 class (ocsigen/js_of_ocaml#1840) * Runtime: support more Unix functions (ocsigen/js_of_ocaml#1829) * Runtime: remove polyfill for Map to simplify MlObjectTable implementation (ocsigen/js_of_ocaml#1846) * Runtime: refactor caml_xmlhttprequest_create implementation (ocsigen/js_of_ocaml#1846) * Runtime: update constant imports to use `node:fs` module (ocsigen/js_of_ocaml#1850) * Runtime: make Obj.dup work with floats and boxed numbers (ocsigen/js_of_ocaml#1871) * Runtime: delete BigStringReader, one should use UInt8ArrayReader instead * Runtime: less conversion during un-marshalling (ocsigen/js_of_ocaml#1889) * Runtime: use TextEncoder/TextDecoder for utf8-utf16 conversions * Runtime: use Dataview to convert between floats and bit representation * Runtime: optimize Str.search_forward/search_backward (ocsigen/js_of_ocaml#2056) * Runtime: deprecate caml_ba_create_from (ocsigen/js_of_ocaml#2056) * Runtime: check for unused variable in the runtime (ocsigen/js_of_ocaml#2056) * Runtime/wasm: implement BLAKE2b primitives for Wasm (ocsigen/js_of_ocaml#1873) * Runtime/wasm: support jsoo_env and keep track of backtrace status (ocsigen/js_of_ocaml#1881) * Runtime/wasm: support unmarshaling compressed data (ocsigen/js_of_ocaml#1898) * Runtime/wasm: make resuming a continuation more efficient in Wasm (ocsigen/js_of_ocaml#1892) * Runtime/wasm: use imported string constants for JavaScript strings (ocsigen/js_of_ocaml#2022) * Runtime/wasm: use DataView primitives to implement bigarrays (ocsigen/js_of_ocaml#1979) * Ppx: explicitly disallow polymorphic method (ocsigen/js_of_ocaml#1897) * Ppx: allow "function" in object literals (ocsigen/js_of_ocaml#1897) * Lib: add Dom_html.window.matchMedia & Dom_html.mediaQueryList (ocsigen/js_of_ocaml#2017) * Lib: make the Wasm version of Json.output work with native ints and JavaScript objects (ocsigen/js_of_ocaml#1872) ## Bug fixes * Compiler: fix stack overflow issues with double translation (ocsigen/js_of_ocaml#1869) * Compiler: minifier fix (ocsigen/js_of_ocaml#1867) * Compiler: fix shortvar with --enable es6 (AssignTarget was not properly handled) * Compiler: fix assert failure with double translation (ocsigen/js_of_ocaml#1870) * Compiler: fix path rewriting of Wasm source maps (ocsigen/js_of_ocaml#1882) * Compiler: fix global dead code in presence of dead tailcall (ocsigen/js_of_ocaml#2010) * Compiler/wasm: fix bound check for empty float array (ocsigen/js_of_ocaml#1904) * Runtime: fix path normalization (ocsigen/js_of_ocaml#1848) * Runtime: fix reading from the pseudo-filesystem (ocsigen/js_of_ocaml#1859) * Runtime: fix initialization of standard streams under Windows (ocsigen/js_of_ocaml#1849) * Runtime: fix Int64.of_string overflow check (ocsigen/js_of_ocaml#1874) * Runtime: fix caml_string_concat when not using JS strings (ocsigen/js_of_ocaml#1874) * Runtime: consistent bigarray hashing across all architectures (ocsigen/js_of_ocaml#1977) * Runtime: fix caml_utf8_of_utf16 bug in high surrogate case (ocsigen/js_of_ocaml#2008) * Runtime: fix method lookup (ocsigen/js_of_ocaml#2034, ocsigen/js_of_ocaml#2038, ocsigen/js_of_ocaml#2039) * Lib: fix Dom_html.Keyboard_code.of_event (ocsigen/js_of_ocaml#1878) * Tools: fix jsoo_mktop and jsoo_mkcmis (ocsigen/js_of_ocaml#1877) * Toplevel: fix for when use-js-strings is disabled (ocsigen/js_of_ocaml#1997)
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Try to avoid
ref.i31/i31.get_s, which are not well optimized by binaryen and V8.