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The original implementation did not do this due to fear of bad
performance. But we think the negative effect of "leaking" empty
base nodes is more important to fix.
To get the bad performance a special kind of access patterns is
needed where base nodes are frequently emptied and then repopulated
soon again. ets_SUITE:throughput_benchmark for example did not show
any negative effect from this commit at all.
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It returns `ok`, instead of `noreply`.
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* maint:
beam_lib: Remove obsolete module() from the beam() type
hipe: Don't use beam_lib:info/1 with an atom as filename
Honor the max heap size when copying literals after purging
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beam_lib: Clarify the beam() type in code and documentation
OTP-15378
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Once an iteration key has been found, never fall back to first/last key in
next/prev tree as trees may split or join under our feet. I.e we must always
use previous key when searching for the next key.
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with ets_force_split
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{RouteNodes, BaseNodes, MaxRouteTreeDepth}
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The type `beam()` in the `beam_lib` module is confusing:
-type beam() :: module() | file:filename() | binary().
It says that the module name can be used to identify the BEAM module
to be accessed, but passing in the module name only works if the BEAM
file is located in the current working directory because the module
is not searched for in the code path.
The reason that it is allowed to pass in the module name as an atom is
for backward compatibility. A long time ago, atoms instead of strings
were used as filenames. For that reason, `filename` and `file` still
accept atoms as filenames (although the practice is frown
upon). `beam_lib` accepts an atom as the filename for the same reason.
To remove the confusion, remove `module()` from the type and the
mention of it in the documentation. Code that uses an atom as a
filename will still work, but Dialyzer will issue a warning.
https://bugs.erlang.org/browse/ERL-696
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* siri/cuddle:
Fix gen_fsm_SUITE:start2/1 to terminate process synchronously
Fix sys_SUITE:special_process/1 to terminating process synchronously
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* sverker/erts/ets-select_replace-bug/OTP-15346:
erts: Fix bug in ets:select_replace for bound key
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* dgud/stdlib/unicode-11/OTP-15111:
Update to Unicode-11
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OTP-14731 Implement 'exsss' (Xorshift116**) as new default 'rand' algorithm
The new algorithm is a combination of the Xorshift116 ('exsp') state update and a new scrambler "StarStar" from the 2018 paper "Scrambled Linear Pseudorandom Number Generators" by David Blackman and Sebastiano Vigna. This combination should not have the caveat of weak low bits that the previous default algorithm(s) have had, with the cost of about 10% lower speed.
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# Conflicts:
# erts/emulator/beam/erl_db_tree.c
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* sverker/erts/ets-select_replace-bug/OTP-15346:
erts: Fix bug in ets:select_replace for bound key
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which may cause following calls to ets:next or ets:prev to fail.
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* maint:
compiler: Forward +source flag to epp and fix bug in +deterministic
epp: Allow user to set source name independently of input file name
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* john/compiler/deterministic-paths/OTP-15245/ERL-706:
compiler: Forward +source flag to epp and fix bug in +deterministic
epp: Allow user to set source name independently of input file name
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Note that this does *not* affect -include()'d files or the -file()
directive.
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Document bit_size in match-specs and allow in fun2ms
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* sverker/ets-test-cuddle:
ets_SUITE: Remove more redundant option combos
ets_SUITE: Try avoid redundant option combos
ets_SUITE: Reduce table type combos by removing "void"
ets_SUITE: Optimize throughput_benchmark
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* raimo/test-cuddling:
Decrease probability for failed histogram
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Update input files for the code-generator and tests.
Added emoji-data.txt for new rule with how to handle emoji.
Unicode have simpliefied the rules for emoji grapheme-clusters:
From:
GB10 (E_Base | EBG) Extend* × E_Modifier
GB11 ZWJ × (Glue_After_Zwj | EBG)
To:
GB11 \p{Extended_Pictographic} Extend* ZWJ × \p{Extended_Pictographic}
Update the code generator to handle the new way.
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meta_wb
smp_insert
smp_fixed_delete
smp_select_delete
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The otp_mibs application is to be removed so we
also remove the os_mon usage of that application.
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It is already allowed in match-specs.
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to reduce test times
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Avoid repeating same tests for [] and [set].
Test case 'default' verifies 'set' to be the default type.
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by populating the table with the help of a random number generator
creating series of unique integers.
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Add a more scalable ETS ordered_set implementation
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OTP-14737
* raimo/stdlib/gen_statem-cleanup:
Improve user's guide on time-outs
Clean up and optimize code and doc
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