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* bjorn/stdlib/cuddle-with-tests:
Eliminate deprecated now/0 used as timestamp
Eliminate use of now/0 for creating a unique filename
Eliminate use of deprecated now/0 for measuring time
Eliminate use of deprecated now/0 for random number generation
Speed up timer_simple_SUITE:timer_perf/1
Speed up timer_SUITE
Optimize gen_server_SUITE:hibernate/1
Optimize gen_event_SUITE:hibernate/1
Optimize gen_fsm_SUITE:hibernate/1
Optimize unicode_SUITE:ex_binaries_errors* test cases
Optimize unicode_SUITE:binaries_errors/1
binary_module_SUITE: Remove unnecessary calls to the binref module
Optimize binary_module:random_ref_comp/1
Optimize io_proto_SUITE:unicode_options_gen/1
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Rewrite the code to measure and print elapsed time instead of just
printing timestamps for the start and stop of each operation.
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Use erlang:unique_integer/1 instead.
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Use erlang:monotonic_time/1 instead of now/0.
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Use erlang:timestamp/0 instead now/0 when seeding the random
number generator.
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In big_test/1, there is 9 seconds sleep before spawning any timers.
Why? Before the sleep nrev processes are started, but they are likely
to finish running before the 9 seconds have elapsed.
Since I see no reason at all for the sleep, I will remove it.
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The single test case in timer_SUITE is annoyingly slow. On average,
its running time is about 4 minutes (estimated by a
back-of-the-envelope calculation).
Scale down the delay times in the main loop and the length of timers
started. The running average time should now be around 80 seconds.
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The running time for gen_server_SUITE:hibernate/1 is about 12 seconds
because of 1000 ms sleeps in the test case. Introduce a helper
function to avoid sleeping more than necessary.
While we are it, also remove all ?line macros in the test case.
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The running time for gen_event_SUITE:hibernate/1 is about 20 seconds
because of 1000 ms sleeps in the test case. Introduce helper
functions to avoid sleeping more than necessary.
While we are it, also remove all ?line macros in the test case.
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The running time for gen_fsm_SUITE:hibernate/1 is almost 30 seconds
because of 1000 ms sleeps in the test case. Introduce helper
functions to avoid sleeping more than necessary.
While we are it, also remove all ?line macros in the test case.
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Refactor the code so that the error test cases for utf16 can
share the code for big and little endian. Do the same for utf32.
The major optimization is the observation that the following code:
byte_size(unicode:characters_to_binary(List, unicode, {utf16,big})
can be replaced with:
2*length(List)
which is much faster. (That optimization is not safe in general,
but for the lists used in the error tests cases, it is.)
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unicode_SUITE:binaries_errors/1 is the slowest test case in
unicode_SUITE. Its running time is about 50 seconds on my computer.
Break apart unicode_SUITE:binaries_errors/1 into several test cases
that can run in parallel.
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The compile_pattern/1 function in the binref module is a dummy
function. Therefore, calling binref:match/2 once with the plain
pattern and once with a "pre-compiled" pattern will take twice as
long, but will not help us find more errors.
I shaved off one fourth of the running time for random_ref_comp/1
by eliminating the unnecessary calls to the binref module.
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* sverk/ets-grow-faulty-assert/OTP-12647:
erts: Fix ets bug in debug VM
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Symptom: ASSERT(segtab[seg_ix] == NULL) in alloc_seg() fails.
Remedy: Make sure we set segment pointer to NULL in free_seg()
even when we switch to smaller segtab.
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The most expensive part of random_ref_comp/1 is
do_matches_loop_comp/4. The running time was reduced from roughly
80 seconds to roughly 40 seconds on my computer when I modified
the caller to pre-compile the pattern.
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The time to run io_proto_SUITE:unicode_options_gen/1 on my computer
was about 110 seconds. After modifying the test case so that it
does several file operations in parallel the time was reduced to
about 60 seconds.
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* egil/maps/hamt/OTP-12585: (113 commits)
erts: Fix bug in ESTACK and WSTACK
kernel: Add spec for erts_debug:map_info/1
mnesia: Update mnesia tests to reflect new ETS hash
erts: Ensure maps uses _rel functions in halfword
erts: Do not treat errors as fatal in erl_printf_term
erts: Update preloaded erts_internal.beam
erts: Add map decomposition wrappers
erts: Ensure halfword has correct temp-heap for maps
hipe: Handle separate hashmap tag correctly
erts: Fix map bug in dec_term for 32-bit debug VM
stdlib: Update qlc tests to reflect new ETS hash
stdlib: Remove obsolete hashmap references in io_lib
erts: Enhance maps ordering tests
hipe: Fix maps sort order testcase
erts: Remove unused variable in crashdump creation
erts: Fix typo in copy_struct for halfword emulator
erts: Restrict GCC intrinsics by compiler version
erts: Fix windows bug in hashmap_info
erts: Fix typo in make_hash2 for 32-bit arch
Fix beam_load assert
...
Conflicts:
erts/emulator/beam/bif.tab
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OTP-12566
* danielwhite/zip-port-leak-fix:
Describe zip handles an opaque type
Document the termination semantics of a zip handle
Prevent zip:zip_open/1,2 from leaking ports
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* nox/ets-update_counter-4:
Create new BIF ets:update_counter/4
Allow 4-ary BIFs
OTP-12563
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* nox/maps-match_specs-fixes/OTP-12270:
erts: Strengthen maps match spec compilation tests
Properly collect variables in match specs with maps
Fix compilation of match specs with maps
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Conflicts:
erts/emulator/beam/bif.tab
lib/stdlib/src/ets.erl
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This adds three new functions to io_lib - scan_format/2, unscan_format/1,
and build_text/1 - which expose the parsed form of the format control
sequences to make it possible to easily modify or filter the input to
io_lib:format/2. This can e.g. be used in order to replace unbounded-size
control sequences like ~w or ~p with corresponding depth-limited ~W and ~P
before doing the actual formatting.
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* nox/stdlib/erl_lint-maps/OTP-12515:
Properly lint map expressions in erl_lint
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* bjorn/stdlib/string-tokens/OTP-12422:
Optimize string:tokens/2
Modernize and strengthen the test case for string:tokens/2
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The returned variable table when linting a map expression shouldn't include
variables that didn't appear in the expression.
Reported-By: Alexei Sholik
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Add functions:
ct_release_test:get_app_vsns/2
ct_release_test:get_appup/2
This implies a change in callback functions for ct_release_test, which
now all have two arguments - [CtData,State]. The new CtData is an
opaque data structure which must be given as the first argument to the
two new functions.
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The case was discovered where a parent process would exit before closing
the zip file. The result was that a port would be left open
indefinitely, as the small zip server would not detect this condition.
By comparison, the file module will close the associated port when the
parent exits for any reason. This change would make the zip module more
consistent with the semantics of similar modules.
This change is breaking for any callers expecting to pass the handle to
another process for processing (assuming it exits).
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* lemenkov/use_os_getenv_2:
fix missing include
Start using os:getenv/2 fun
Introduce os:getenv/2
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* sverk/ets-take-2/OTP-12309:
erts: Optimize ets:lookup and ets:take for bags
Implement ets:take/2
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See #535
Signed-off-by: Peter Lemenkov <[email protected]>
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* dgud/testcasecuddling:
stdlib: Fix timing issue in testcase
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* legoscia/io-message-queue-optimisation:
Optimise io requests for long message queues
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Robert has OK'ed the removal of the token ':-'.
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The reason for this is a requirement on enabling ssh_sftp to write a tar file on the server.
This new api function is used by ssh_sftp:open_tar/3,4.
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* maint:
Fix miscompilation when module contains multiple named funs
Fix locations of shadowing warnings in ms_transform
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maint
* nox/stdlib/ms_transform-locate-shadow-warning/OTP-12264:
Fix locations of shadowing warnings in ms_transform
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* hb/stdlib/fix_qlc_test:
stdlib: fix a bug in qlc_SUITE.erl
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OTP-12301
* capflam/remove_empty_parts_in_binary_split:
Add 'trim_all' option to binary:split/3
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If a callback function was terminated with exit/1, there would be no
stack trace in the ERROR REPORT produced by gen_server. This has been
corrected. The actual exit reason for the process is not changed.
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* siri/sup-spec-maps/OTP-11043:
Update emacs skeleton for supervisor to use maps
Update dialyzer test with maps in supervisor properties
Add documentation of maps in supervisor flags and child specs
Add test of maps in supervisor flags and child specs
New function supervisor:get_childspec/2
Allow maps for supervisor flags and child specs
Rebase supervisor
Add more tests of supervisor
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