Compact heap before calling C linker #33
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Reduces peak memory usage, which is important when a build system tries to run many large links in parallel.
mshinwell
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May 18, 2021
poechsel
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May 26, 2021
Reduces peak memory usage, which is important when a build system tries to run many large links in parallel.
poechsel
pushed a commit
to poechsel/flambda-backend
that referenced
this pull request
May 27, 2021
Reduces peak memory usage, which is important when a build system tries to run many large links in parallel.
poechsel
pushed a commit
that referenced
this pull request
Jun 28, 2021
Reduces peak memory usage, which is important when a build system tries to run many large links in parallel.
poechsel
pushed a commit
that referenced
this pull request
Jun 29, 2021
Reduces peak memory usage, which is important when a build system tries to run many large links in parallel.
stedolan
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Jan 18, 2022
1924269795 Several fixes for partial application and currying 4fee6ae2e8 Pprintast support for new local syntax 8df43e93e5 Quieten Makefile when runtime dep files are not present 88ec84e29e Typecheck x |> f y as (f y x), not ((f y) x) 87a10e3348 Remove autogeneration of @ocaml.curry c656dc9 Merge flambda-backend changes 11b5424 Avoid printing double spaces in function argument lists 7751faa Restore locations to Typedtree.{pat,let}_bound_idents_full e450b6c add build_ocaml_compiler.sexp 0403bb3 Revert PR 9895 to continue installing VERSION b3447db Ensure new local attributes are namespaced properly 7f213fc Allow empty functions again 8f22ad8 Bugfix: ensure local domain state is initialised 80f54dd Bugfix for Selectgen with regions e8133a1 Fix external-external signature inclusion 9840051 Bootstrap d879f23 Merge remote-tracking branch 'jane/local-reviewed' into local-merge 94454f5 Use Local_store for the local allocations ref 54a164c Create fewer regions, according to typechecking (ocaml-flambda#59) 1c2479b Merge flambda-backend changes ce34678 Fix printing of modes in return types 91f2281 Hook mode variable solving into Btype.snapshot/backtrack 54e4b09 Move Alloc_mode and Value_mode to Btype ff4611e Merge flambda-backend changes ce62e45 Ensure allocations are initialised, even dead ones 6b6ec5a Fix the alloc.ml test on 32-bit builds 81e9879 Merge flambda-backend changes 40a7f89 Update repo URL for ocaml-jst, and rename script. 0454ee7 Add some new locally-allocating primitives (ocaml-flambda#57) 8acdda1 Reset the local stack pointer in exception handlers (ocaml-flambda#56) 8dafa98 Improve typing for (||) and (&&) (ocaml-flambda#55) 8c64754 Fix make_check_all_arches (ocaml-flambda#54) b50cd45 Allow arguments to primitives to be local even in tail position (ocaml-flambda#53) cad125d Fix modes from or-patterns (ocaml-flambda#50) 4efdb72 Fix tailcalls tests with inlining (ocaml-flambda#52) 4a795cb Flambda support (ocaml-flambda#49) 74722cb Add [@ocaml.principal] and [@ocaml.noprincipal] attributes, and use in oo.mli 6d7d3b8 Ensure that functions are evaluated after their arguments (flambda-backend ocaml-flambda#353) 89bda6b Keep Sys.opaque_identity in Cmm and Mach (port upstream PR 9412) a39126a Fix tailcalls within regions (ocaml-flambda#48) 4ac4cfd Fix stdlib manpages build 3a95f5e Merge flambda-backend changes efe80c9 Add jane/pull-flambda-patches script fca94c4 Register allocations for Omitted parameter closures (ocaml-flambda#47) 103b139 Remove various FIXMEs (ocaml-flambda#46) 62ba2c1 Bootstrap a0062ad Allow local allocations for various primitives (ocaml-flambda#43) 7a2165e Allow primitives to be poly-moded (ocaml-flambda#43) 2af3f55 Fix a flaky test by refactoring TypePairs (ocaml/ocaml#10638) 58dd807 Bootstrap ee3be10 Fix modes in build_apply for partial applications fe73656 Tweak for evaluation order of labelled partial applications (#10653) 0527570 Fix caml_modify on local allocations (ocaml-flambda#40) e657e99 Relax modes for `as` patterns (ocaml-flambda#42) f815bf2 Add special mode handling for tuples in matches and let bindings (ocaml-flambda#38) 39f1211 Only take the upper bounds of modes associated with allocations (ocaml-flambda#37) aec6fde Interpret arrow types in "local positions" differently c4f3319 Bootstrap ff6fdad Add some missing regions 40d586d Bootstrap 66d8110 Switch to a system with 3 modes for values f2c5a85 Bugfix for Comballoc with local allocations. (ocaml-flambda#41) 83bcd09 Fix bug with root scanning during compaction (ocaml-flambda#39) 1b5ec83 Track modes in Lambda.lfunction and onwards (ocaml-flambda#33) f1e2e97 Port ocaml/ocaml#10728 56703cd Port ocaml/ocaml#10081 eb66785 Support local allocations in i386 and fix amd64 bug (ocaml-flambda#31) c936b19 Disallow local recursive non-functions (ocaml-flambda#30) c7a193a GC support for local allocations (ocaml-flambda#29) 8dd7270 Nonlocal fields (ocaml-flambda#28) e19a2f0 Bootstrap 694b9ac Add syntax to the parser for local allocations (ocaml-flambda#26) f183008 Lower initial stack size 918226f Allow local closure allocations (ocaml-flambda#27) 2552e7d Introduce mode variables (ocaml-flambda#25) bc41c99 Minor fixes for local allocations (ocaml-flambda#24) a2a4e60 Runtime and compiler support for more local allocations (ocaml-flambda#23) d030554 Typechecking for local allocations (ocaml-flambda#21) 9ee2332 Bugfix missing from ocaml-flambda#20 02c4cef Retain block-structured local regions until Mach. 86dbe1c amd64: Move stack realloc calls out-of-line 324d218 More typing modes and locking of environments a4080b8 Initial version of local allocation (unsafe) git-subtree-dir: ocaml git-subtree-split: 1924269795db2450be5c084f7799340e0e003e19
stedolan
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Feb 1, 2022
173842c Merge flambda-backend changes ed7eba2 Remove leading space from LINE. (#484) bd61170 Bump magic numbers (#5) c50c47d Add CI builds with local allocations enabled 1412792 Move local allocations support behind '-extension local' 6d8e42a Better tail call behaviour in caml_applyN c7dac3d Typemod: toplevel bindings escape even if no variables are bound 82d6c3e Several fixes for partial application and currying d05c70c Pprintast support for new local syntax e0e62fc Typecheck x |> f y as (f y x), not ((f y) x) d7e34ce Remove autogeneration of @ocaml.curry b9a0593 Port #493 0a872d9 Code review fixes from #491 6c168bb Remove local allocation counting 3c6e7f0 Code review fixes from #478 bb97207 Rename Lambda.apply_position a7cb650 Quieten Makefile when runtime dep files are not present c656dc9 Merge flambda-backend changes 11b5424 Avoid printing double spaces in function argument lists 7751faa Restore locations to Typedtree.{pat,let}_bound_idents_full e450b6c add build_ocaml_compiler.sexp 0403bb3 Revert PR 9895 to continue installing VERSION b3447db Ensure new local attributes are namespaced properly 7f213fc Allow empty functions again 8f22ad8 Bugfix: ensure local domain state is initialised 80f54dd Bugfix for Selectgen with regions e8133a1 Fix external-external signature inclusion 9840051 Bootstrap d879f23 Merge remote-tracking branch 'jane/local-reviewed' into local-merge 94454f5 Use Local_store for the local allocations ref 54a164c Create fewer regions, according to typechecking (#59) 1c2479b Merge flambda-backend changes ce34678 Fix printing of modes in return types 91f2281 Hook mode variable solving into Btype.snapshot/backtrack 54e4b09 Move Alloc_mode and Value_mode to Btype ff4611e Merge flambda-backend changes ce62e45 Ensure allocations are initialised, even dead ones 6b6ec5a Fix the alloc.ml test on 32-bit builds 81e9879 Merge flambda-backend changes 40a7f89 Update repo URL for ocaml-jst, and rename script. 0454ee7 Add some new locally-allocating primitives (#57) 8acdda1 Reset the local stack pointer in exception handlers (#56) 8dafa98 Improve typing for (||) and (&&) (#55) 8c64754 Fix make_check_all_arches (#54) b50cd45 Allow arguments to primitives to be local even in tail position (#53) cad125d Fix modes from or-patterns (#50) 4efdb72 Fix tailcalls tests with inlining (#52) 4a795cb Flambda support (#49) 74722cb Add [@ocaml.principal] and [@ocaml.noprincipal] attributes, and use in oo.mli 6d7d3b8 Ensure that functions are evaluated after their arguments (flambda-backend #353) 89bda6b Keep Sys.opaque_identity in Cmm and Mach (port upstream PR 9412) a39126a Fix tailcalls within regions (#48) 4ac4cfd Fix stdlib manpages build 3a95f5e Merge flambda-backend changes efe80c9 Add jane/pull-flambda-patches script fca94c4 Register allocations for Omitted parameter closures (#47) 103b139 Remove various FIXMEs (#46) 62ba2c1 Bootstrap a0062ad Allow local allocations for various primitives (#43) 7a2165e Allow primitives to be poly-moded (#43) 2af3f55 Fix a flaky test by refactoring TypePairs (ocaml/ocaml#10638) 58dd807 Bootstrap ee3be10 Fix modes in build_apply for partial applications fe73656 Tweak for evaluation order of labelled partial applications (#10653) 0527570 Fix caml_modify on local allocations (#40) e657e99 Relax modes for `as` patterns (#42) f815bf2 Add special mode handling for tuples in matches and let bindings (#38) 39f1211 Only take the upper bounds of modes associated with allocations (#37) aec6fde Interpret arrow types in "local positions" differently c4f3319 Bootstrap ff6fdad Add some missing regions 40d586d Bootstrap 66d8110 Switch to a system with 3 modes for values f2c5a85 Bugfix for Comballoc with local allocations. (#41) 83bcd09 Fix bug with root scanning during compaction (#39) 1b5ec83 Track modes in Lambda.lfunction and onwards (#33) f1e2e97 Port ocaml/ocaml#10728 56703cd Port ocaml/ocaml#10081 eb66785 Support local allocations in i386 and fix amd64 bug (#31) c936b19 Disallow local recursive non-functions (#30) c7a193a GC support for local allocations (#29) 8dd7270 Nonlocal fields (#28) e19a2f0 Bootstrap 694b9ac Add syntax to the parser for local allocations (#26) f183008 Lower initial stack size 918226f Allow local closure allocations (#27) 2552e7d Introduce mode variables (#25) bc41c99 Minor fixes for local allocations (#24) a2a4e60 Runtime and compiler support for more local allocations (#23) d030554 Typechecking for local allocations (#21) 9ee2332 Bugfix missing from #20 02c4cef Retain block-structured local regions until Mach. 86dbe1c amd64: Move stack realloc calls out-of-line 324d218 More typing modes and locking of environments a4080b8 Initial version of local allocation (unsafe) git-subtree-dir: ocaml git-subtree-split: 173842c
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Reduces peak memory usage, which is important when a build system
tries to run many large links in parallel.
Testing
ocamlopthad1.2Gof RSS while the C linker was running and after it had160MB.