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2017-03-06Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Improve a warning dialyzer: Fix a weird warning dialyzer: Fix an opaque bug dialyzer: Minor fix Conflicts: lib/dialyzer/src/dialyzer_dataflow.erl
2017-03-06Merge branch 'hasse/dialyzer/fix_warnings/OTP-14177' into maintHans Bolinder
* hasse/dialyzer/fix_warnings/OTP-14177: dialyzer: Improve a warning dialyzer: Fix a weird warning dialyzer: Fix an opaque bug dialyzer: Minor fix
2017-03-06Merge branch 'maint'Siri Hansen
2017-03-06Merge branch 'siri/ct_hooks/callbacks-on-skip/OTP-10599' into maintSiri Hansen
* siri/ct_hooks/callbacks-on-skip/OTP-10599: [ct] Update built-in ct hooks with new Suite parameter [cth_surefire] Handle skips from test spec [ct] Remove excessive skipped/failed tag in hook function [ct] Send tc_start event on force_stop and failed sequence [ct] Correctly handle process died in init and end_per_testcase [ct] Fix faulty hook callbacks for skipped tests Add dummy end_per_suite/1 [ct] Fix hooks and fail when one of init/end_per_* does not exit [ct] Add Suite argument to hook callback functions [ct] Fix function_clause in ct_framework when hook function crashes
2017-03-03Merge branch 'maint'Björn Gustavsson
* maint: tools: Use portable lookup of home directory dialyzer, observer: Use portable lookup of home directory
2017-03-03Merge pull request #1359 from myronmarston/fix-length-typoBjörn Gustavsson
Fix typos: lenght -> length
2017-03-02dialyzer, observer: Use portable lookup of home directoryBjörn Gustavsson
Use init:get_argument(home) to find the location of the home directory. That will work on all platforms (including Windows). Note that the run-time system will fail to start if HOME (or the equivalent on Windows) is not set. Therefore, it can be assumed that init:get_argument(home) will not fail. ERL-161
2017-03-02Merge branch 'maint'Hans Bolinder
* maint: typer: Update runtime dependencies dialyzer: Update runtime dependencies Correct documentation of get_modules message
2017-03-02dialyzer: Update runtime dependenciesHans Bolinder
2017-03-01Fix typos: lenght -> lengthMyron Marston
2017-02-28dialyzer: Improve a warningHans Bolinder
When a pattern a type do not match, opaque warnings were given precedence before structure mismatches. This is no longer always the case. Mentioned by Nick Marino on erlang-questions.
2017-02-28dialyzer: Fix a weird warningHans Bolinder
2017-02-28dialyzer: Fix an opaque bugHans Bolinder
An opaque bug that would crash Dialyzer has been fixed. The bug was reported by Nick Marino.
2017-02-28dialyzer: Minor fixHans Bolinder
2017-02-21dialyzer: Correct test cases after removal of erlang:hash/2Hans Bolinder
2017-02-20Add dummy end_per_suite/1Siri Hansen
common_test requires that if init_per_suite/1 exists, then end_per_suite/1 must also exist. If end_per_suite/1 does not exist, then it will be marked in the log as failed with reason 'undef'. Some test suites are corrected to avoid this.
2017-02-14Fixed typos in lib/dialyzerAndrew Dryga
2017-02-09Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Correct PLT tests
2017-02-06Merge branch 'hasse/dialyzer/memory_opt/OTP-14127'Hans Bolinder
* hasse/dialyzer/memory_opt/OTP-14127: dialyzer: Attempt to reduce memory consumption dialyzer: Do not spawn all workers at once dialyzer: Write PLT in subprocess dialyzer: Remove code for non-started workers dialyzer: Sort graphs topologically dialyzer: Compress some PLT tables dialyzer: Check return value of digrahp:add_edge() dialyzer: Use less memory for the PLT when analyzing typer: Fix a bug regarding the -T option dialyzer: Do not keep the code server's type info on the heap
2017-02-03dialyzer: Correct PLT testsHans Bolinder
Use explicit file names of PLTs so that daily builds&tests running simultaneously under the same user do not interfere with each other ("$HOME/.dialyzer_plt" is the default PLT name).
2017-02-03Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Fix a Dialyzer warning
2017-02-03dialyzer: Fix a Dialyzer warningHans Bolinder
2017-02-03dialyzer: Attempt to reduce memory consumptionHans Bolinder
The 'deps' field is reset when no longer used, which could possibly save some memory.
2017-02-03dialyzer: Do not spawn all workers at onceHans Bolinder
Spawning all worker processes at once has the potential to increase peak memory consumption. Therefore the implementation is now slightly modified: `20 * dialyzer_utils:parallelism()' processes are running in parallel. 20 i quite a big factor, but seems necessary to keep all schedulers busy according to the Observer application's Load Charts, with a 100 ms update interval.
2017-02-03dialyzer: Write PLT in subprocessHans Bolinder
At common case, which will otherwise leave a big heap.
2017-02-03dialyzer: Remove code for non-started workersHans Bolinder
Since SCCs and modules are now topologically sorted (relative the active graph), we can safely assume that workers have been started.
2017-02-03dialyzer: Sort graphs topologicallyHans Bolinder
Although some variable names indicate that lists of SCCs and modules are sorted, that was not always the case. The effect on the execution time of sorting them doesn't seem to be significant. dialyzer_coordinator:sccs_to_pids() should now always return an empty second list (not yet started workers). Since the condensation of graphs often needs a lot of heap memory, it is run in a separate process.
2017-02-03dialyzer: Compress some PLT tablesHans Bolinder
Compressing the signatures or the contract records would cost time. The contract records are still held in two places (code server and PLT) in many cases.
2017-02-03dialyzer: Check return value of digrahp:add_edge()Hans Bolinder
2017-02-03dialyzer: Use less memory for the PLT when analyzingHans Bolinder
The two tables for (record) types and exported types are no longer kept in memory (by the PLT) when analyzing, which reduces memory consumption. A first step towards removing (or replacing) the #plt{} record.
2017-02-03typer: Fix a bug regarding the -T optionHans Bolinder
The -T option has not been working for a long time.
2017-02-03dialyzer: Do not keep the code server's type info on the heapHans Bolinder
The table used during translation of forms to types used to be a dictionary of the type info (-type(), -opaque(), and -record()) for all modules. Now it is reduced to the modules that are needed to handle references to types in other modules. The PLT:s type info is still kept on the heap.
2017-02-03Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Increase time limit for tests dialyzer: Optimize typesig dialyzer: Optimize evaluation of complex code dialyzer: Optimize collection of variables Conflicts: lib/dialyzer/src/dialyzer_typesig.erl
2017-02-01dialyzer: Increase time limit for testsHans Bolinder
2017-02-01dialyzer: Optimize typesigHans Bolinder
dialyzer_typesig:traverse_scc() now resets the context for each element of the SCC. Since the results of traversing the elements are saved in the 'cmap' table, there is no need to create an SCC conjunction. For huge SCCs this saves quite some time: the lift_lists() function added one element at a time, which made the calculation of deps very slow.
2017-02-01dialyzer: Optimize evaluation of complex codeHans Bolinder
Improve the evaluation of long lists of constraints.
2017-01-25Update test cases for erlang:hash/2 removalBjörn-Egil Dahlberg
2017-01-12Merge branch 'maint'Hans Bolinder
* maint: stdlib: Correct signatures of functions in erl_parse
2017-01-12Merge branch 'hasse/stdlib/fix_anno_types/OTP-14131' into maintHans Bolinder
* hasse/stdlib/fix_anno_types/OTP-14131: stdlib: Correct signatures of functions in erl_parse
2017-01-12Merge branch 'maint'Hans Bolinder
* maint: dialyzer: Compact 'file' annotations in Core code dialyzer: Try to reduce memory usage dialyzer: Use less memory when translating contracts dialyzer: Use maps instaed of dict dialyzer: Use maps instead of dict for module contracts map dialyzer: Compress a few more ETS tables dialyzer: Optimize memory consumption dialyzer: Reduce memory consumption during 'remote' phase dialyzer: Update code for finding parallelism compiler: Do not spawn process when dialyzing dialyzer: Reduce ETS usage during the typesig phase dialyzer: Optimize graph condensation dialyzer: Do not send full PLTs as messages
2017-01-11dialyzer: Compact 'file' annotations in Core codeHans Bolinder
File annotations {file, File} in Core Erlang code is replaced by {file, FakeFile}, where FakeFile is "0", "1", ..., in order to save memory. When a warning message is created, FakeFile is translated to the original File (a bit awkward but easy to do). The Core code stored in ETS tables needs less space, but more important is that a less heap memory is used in the dataflow, warnings, and typesig phases, allowing more parallelism.
2017-01-11dialyzer: Try to reduce memory usageHans Bolinder
The translation from forms to types is done in a separate process in an attempt to reduce peak memory usage. Expect further optimizations as it is probably not feasible in the long run to keep all type information on the heap.
2017-01-11dialyzer: Use less memory when translating contractsHans Bolinder
2017-01-11dialyzer: Use maps instaed of dictHans Bolinder
2017-01-11dialyzer: Use maps instead of dict for module contracts mapHans Bolinder
2017-01-11dialyzer: Compress a few more ETS tablesHans Bolinder
2017-01-11dialyzer: Optimize memory consumptionHans Bolinder
Some SCC info is no longer cached. It reduces the peak memory consumption of workers during the typesig phase, and seems to cost very little time.
2017-01-11dialyzer: Reduce memory consumption during 'remote' phaseHans Bolinder
The cache used for speeding up the translation from forms to types is no longer global, but reset per module. The peak memory consumption is reduced, and the added time seems to be small.
2017-01-11dialyzer: Update code for finding parallelismHans Bolinder
Using erlang:system_info(schedulers_online) for determining parallelism is recommended by OTP experts. It takes care of "+S 4:1" and simultaneous loading of HiPE code.
2017-01-11dialyzer: Reduce ETS usage during the typesig phaseHans Bolinder
The condensed graph of SCCs occupies less ETS memory. A table translating to and from SCC to a unique integer is introduced.
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