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2019-02-25Merge branch 'siri/rsh-ssh/PR-1787'Hans Bolinder
OTP-15633 * siri/rsh-ssh/PR-1787: Fix some missed comments about rsh Document the restrictions on the -rsh command Use ssh as the default remote shell
2019-02-25Merge branch 'solvip/stdlib/gen_statem/export-start-types'Raimo Niskanen
* solvip/stdlib/gen_statem/export-start-types: Create a gen_statem type for enter_loop options gen_statem exports types related to starting & naming
2019-02-25Create a gen_statem type for enter_loop optionsRaimo Niskanen
2019-02-22Merge branch 'bmk/20190204/socket_as_nif/OTP-14831'Micael Karlberg
2019-02-22Fix some missed comments about rshSiri Hansen
2019-02-21Merge branch 'maint'Hans Bolinder
* maint: stdlib: Fix a bug in the Erlang Pretty Printer
2019-02-18stdlib: Fix a bug in the Erlang Pretty PrinterHans Bolinder
Long atom names in combination with <c><<>></c> could cause a crash.
2019-02-18Merge branch 'maint'Raimo Niskanen
* maint: Updated OTP version Prepare release
2019-02-18Merge branch 'maint-21' into maintRaimo Niskanen
* maint-21: Updated OTP version Prepare release
2019-02-18Merge branch 'maint'Hans Bolinder
* maint: Update primary bootstrap stdlib: Optimize formatted printing of terms Conflicts: bootstrap/lib/stdlib/ebin/io_lib.beam bootstrap/lib/stdlib/ebin/io_lib_format.beam bootstrap/lib/stdlib/ebin/io_lib_pretty.beam
2019-02-18Merge branch 'hasse/stdlib/optimize_pretty_print/ERIERL-306/OTP-15573' into ↵Hans Bolinder
maint * hasse/stdlib/optimize_pretty_print/ERIERL-306/OTP-15573: Update primary bootstrap stdlib: Optimize formatted printing of terms
2019-02-15Prepare releaseErlang/OTP
2019-02-14stdlib: Optimize formatted printing of termsHans Bolinder
Try calling iolist_size() before calling string:length(). The reason is that calls to string:length/1 are slow when the argument is not a list of integers (or contains UNICODE).
2019-02-12Merge branch 'maint'Hans Bolinder
* maint: Optimize calendar:gregorian_days_to_date/1
2019-02-12Merge branch 'FNickRU/stdlib/optimize_calendar/PR-2121/OTP-15572' into maintHans Bolinder
* FNickRU/stdlib/optimize_calendar/PR-2121/OTP-15572: Optimize calendar:gregorian_days_to_date/1
2019-02-04Merge branch 'bmk/20180918/nififying_inet/OTP-14831' into ↵Micael Karlberg
bmk/20190204/socket_as_nif/OTP-14831
2019-01-31Optimize calendar:gregorian_days_to_date/1Stanislav Mayorov
This patch improves the performance of calendar:gregorian_days_to_date/1 by changing the algorithm for finding the year to log-logarithmic. The old implementation has linear complexity, which makes function too slow for large values. For example: There is an API that allows you to create events for future dates. There are users of this API who, for some reasons, choose dates very far in the future. In such conditions, function works very slow. New implementation based on interpolation search, takes 1 or 2 iterations at most cases and free from such a flaw. A unit test was also developed to illustrate the speed of a function at large values.
2019-01-21Merge branch 'raimo/stdlib/gen_statem-optimization/OTP-15452'Raimo Niskanen
* raimo/stdlib/gen_statem-optimization/OTP-15452: correct: Work around a compiler mis-optimization
2019-01-21correct: Work around a compiler mis-optimizationRaimo Niskanen
This was not a compiler optimization that misfired, rather that the code neede separate case clauses for when the timer was running and not, so to not call erlang:cancel_timer/1 nor maps:remove/2 in the case clause where only a map update was needed before recursion. See the comment in loop_timouts_cancel/13
2019-01-18Merge branch 'raimo/stdlib/gen_statem-optimization/OTP-15452'Raimo Niskanen
* raimo/stdlib/gen_statem-optimization/OTP-15452: Write some more comments in the engine loop Work around a compiler mis-optimization Move out helper functions to engine loop Handle #trans_opts{} fields in parse_actions() arguments Optimize gen_statem engine loop Modify generic_statem_transit benchmark
2019-01-17Write some more comments in the engine loopRaimo Niskanen
2019-01-17Work around a compiler mis-optimizationRaimo Niskanen
The common subexpression optimization accidentally caused unnecessary spilling of live registers. A rather ugly workaround can be found in loop_timeouts_cancel.
2019-01-17Move out helper functions to engine loopRaimo Niskanen
This strategy improves speed benchmarks and reduces the amount of garbage that is produced. More: * Handle transition options as loop function arguments instead of in a record. * Shorten the state_enter loop and make it more efficient by making it more part of the loop and less a loop restart. * Simplify the internal timeout action handling somewhat.
2019-01-16Merge branch 'maint'Hans Bolinder
* maint: Fix erl_parse:af_constraint() Fix erl_parse:af_fun_type() Add literal character to erl_parse:abstract_type/0 type
2019-01-16Merge pull request #2074 from gomoripeti/singleton_char_typeHans Bolinder
Fixes in erl_parse:abstract_type/0 type
2019-01-15Merge pull request #2069 from zuiderkwast/erl_parse_typesHans Bolinder
Correction of type abstract_expr -> abstract_expr() in erl_parse
2019-01-15Handle #trans_opts{} fields in parse_actions() argumentsRaimo Niskanen
2019-01-14Optimize gen_statem engine loopRaimo Niskanen
* Use synchronolus cancel_timer since that is more efficient than asynchronous when a process cancels its own timer * Restructure the state to have fewer fields by breaking out practically constant fields into a separate loop argument record #params{}, group state and data into one field and dito for timer fields * Optimize engine loop arguments for staying in the loop so the detour to sys:handle_system_message/6 will require packing/unpacking of the sys: state, and of the argument Parent * Avoid double reverse of event queue in many cases * Restructure the state transition to not have duplicate tracks for sys_debug and non-sys_debug cases * Shortcut the empty list case where possible * Loop unroll reversal of up to 2-element lists to avoid calling lists:reverse/2 since an external call spills all live registers to the stack * Bring out the callback mode check to the engine loop
2019-01-08Merge branch 'maint'Lars Thorsen
* maint: [xmerl] Fix detect charset crash [cdv] Check only own persistent terms in crashdump_viewer test Fix remote-call error in ms_transform Conflicts: lib/observer/test/crashdump_helper.erl
2019-01-08Merge pull request #2022 from gomoripeti/ms_remote_call_errorSiri Hansen
Fix remote-call error in ms_transform
2018-12-28Fix erl_parse:af_constraint()Péter Gömöri
Add missing list wrapper.
2018-12-28Fix erl_parse:af_fun_type()Péter Gömöri
`af_function_type()` already contains the `{'type', anno(), 'fun', ...}` tuple so it does not have to be wrapped again.
2018-12-27Add literal character to erl_parse:abstract_type/0 typePéter Gömöri
This is allowed since 19.3 (commit 6d238032) and documented since commit 744fb920.
2018-12-22Correction of type abstract_expr -> abstract_expr() in erl_parseViktor Söderqvist
2018-12-18Make all compiler options work in the option listBjörn Gustavsson
Before OTP 22, the option `{nowarn_deprecated_function,MFAs}` was only recognized when given in the file with the attribute `-compile()`. (The option `{nowarn_unused_function,FAs}` was incorrectly documented to only work in a file, but it also worked when given in the option list.) Starting from OTP 22, all options that can be given in the file can also be given in the option list.
2018-12-17Merge branch 'raimo/stdlib/sys-log-of-gen-in-terminate-report/OTP-15381'Raimo Niskanen
* raimo/stdlib/sys-log-of-gen-in-terminate-report/OTP-15381: sys:log timeout 0 events Filter gen_server State in crash sys:log Fix statement duplication Document system_events better Adjust sys:log(N, get) to documentation Unify system_events in gen_* Log code change Use from/1 type check Limit more error_logger terms Add client stacktrace Print sys:log in error report Optimize sys:handle_debug/4 Optimize sys:log Fix sys:log functionality Conflicts: lib/stdlib/doc/src/sys.xml
2018-12-13gen_statem exports types related to starting & namingSölvi Páll Ásgeirsson
Currently, a user of gen_statem cannot use gen_statem types related to naming & starting in their behaviour implementations As an example, we cannot do: -spec start_link(Options) -> gen_statem:start_ret() when Options :: some_complex_thing(). start_link(Options) -> gen_statem:start_link(?MODULE, [Opts], []). As dialyzer, if configured to complain about unknown types, will warn that the type gen_statem:start_ret() is unknown. Likewise, for the same reason, we cannot do: -spec do_call_to_gen_statem(ServerRef) -> Reply when ServerRef :: gen_statem:server_ref(), Reply :: term(). do_call_to_gen_statem(ServerRef) -> gen_statem:call(ServerRef, do_thing). This fixes that by exporting the appropriate types
2018-12-11Merge branch 'maint'Henrik Nord
* maint: Updated OTP version Prepare release
2018-12-10Prepare releaseErlang/OTP
2018-12-03Merge branch 'maint'Hans Bolinder
* maint: stdlib: Let calendar:system_time_to_rfc3339() keep fractions
2018-11-30sys:log timeout 0 eventsRaimo Niskanen
2018-11-30Filter gen_server State in crash sys:logRaimo Niskanen
2018-11-30Fix statement duplicationRaimo Niskanen
2018-11-30Document system_events betterRaimo Niskanen
2018-11-30Adjust sys:log(N, get) to documentationRaimo Niskanen
2018-11-30Unify system_events in gen_*Raimo Niskanen
2018-11-30Log code changeRaimo Niskanen
2018-11-30Use from/1 type checkRaimo Niskanen
2018-11-29stdlib: Let calendar:system_time_to_rfc3339() keep fractionsHans Bolinder
RFC3339 mentions in paragraph 5.1 that if certain conditions are fulfilled, then sorting date and time strings results in a time-ordered sequence. One of the conditions is that the strings must have the same number of fractional second digits. This commits makes sure this is indeed the case.
2018-11-26Use ssh as the default remote shellRichard Carlsson
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