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The special creation of 0 is used by internally created externals,
such as when list_to_pid is called. This creation should compare
equal to all externals creations of that external. If it does not
we can end up in very strange scenarios. For instance:
> P = spawn(OtherNode, fun() -> die end).
<8303.60.0>
> link(<8303.60.0>).
true
> flush().
ok
OTP-15613
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The reason in EXIT and DOWN may be arbitrarily large,
so we yield and allow other processes to execute while
encoding and sending the signals over the distribution.
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This commit removed the general send context (which was used
very little anyways) and only uses the distributed send context.
This will make it easier to use the dist API at the cost of
a little bit more code for the local send.
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OTP-15612
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The dist messages EXIT, EXIT2 and MONITOR_DOWN have been
updated with new versions that send the reason term as
part of the payload of the message instead of as part
of the control message.
This allows the decode of the reason to be done by the
receiving process instead of the dist entry which in turn
makes it possible for multiple decodes to be done in
parallel.
This change is done in order to make it easier to fragment
the potentially large payload of EXIT, EXIT2 and MONITOR_DOWN
into multiple distribution messages.
OTP-15611
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Before this change the inet driver was in list mode and
thus the data from it had to be copied when received by
the dist entry. This change puts the tcp port in binary mode
and makes the any refc binary created by it be used all the way
to the process where it is decoded.
Thus eliminating one copy of the entire message payload.
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OTP-15610
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All of the Red-Black Tree _yielding functions have been
updated to work with reductions returned by the called
function instead of yielding on each element.
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* lukas/erts/cerl-etp-rr-support:
erts: Expand rr support in cerl and etp
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* maint:
Updated OTP version
Prepare release
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* maint-21:
Updated OTP version
Prepare release
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Reduce compilation times
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* bjorn/compiler/cuddle-with-tests:
inline_SUITE: Don't start a slave node
Correct test_lib:is_cloned_mod/1
sys_core_fold_lists: Propagate annotations in expansion of lists functions
Parallelize compile_SUITE:bc_options/1
Remove the optimized_guard/1 test case
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* hans/crypto/fixes/OTP-14732:
otp_test_engine.c fixes
crypto: Fix compilation < 1.0.0
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* maint:
Fix typo in erlang.xml
inets: Ignore bracket option in format_address
Change-Id: I8a215d3872ae74e08d7a17b70ba53535947c032f
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crypto: revamp C code [WIP]
OTP-14732
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* peterdmv/inets/fix-http-client/ERIERL-289/OTP-15554:
inets: Ignore bracket option in format_address
Change-Id: If3f19325edb8f8cc1ced717aa125658c00438b70
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Fix typo in erlang.xml
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A long time ago there was a good idea to run compiled code in a
slave node. Nowadays, not so much.
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test_lib:is_cloned_mod(inline_SUITE) would return true.
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There could be a warning with a `no_file` atom instead of filename
and line number.
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With the new SSA code passes, the optimized_guard/1 test case has
become really bad at finding unnecessary `and` and `or` instructions.
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Two helper functions in beam_ssa_opt and beam_ssa_dead
are body-recursive for no good reason.
While at it, add some clarifying comments to the functions.
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beam_ssa:def_used/2 is used by beam_ssa_pre_codegen when reserving
Y registers.
Do the following optimizations:
* Use an ordset instead of a gb_set. When the only operation performed
on a set is union/2, an ordset will usually be faster, especially when
the result is an ordset.
* Use a cerl_set instead of a gb_set for the set of all possible
predecessors. cerl_sets is usually faster than gb_sets.
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Avoiding calls usually reduces the size of the stack frame and reduces
register shuffling.
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Save a little time by using gb_sets:delete/2 instead of
gb_sets:delete_any/2 when the key is known to be in the set.
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beam_ssa_dead could be very slow if there were many blocks
connected with unconditional branches (for example, if a block
had contained many `call` instructions and been split by
ssa_opt_split_blocks).
It turns out that `comb_get_sw/3` does an unnecessary (and perhaps
incorrect) recursive call to itself when the terminator for the
block is an unconditional branch. Removing the recursive call does
not disable any optimizations, but will be much faster if there
are many blocks connected with unconditional branches.
Reported-by: Michał Muskała
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Compilation will be much faster if there are many blocks, but no
get_tuple_element instructions.
Reported-by: Michał Muskała
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Fix internal consistency failure caused by beam_except
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* peterdmv/inets/fix-http-client/ERIERL-289/OTP-15554:
inets: Ignore bracket option in format_address
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Fix spec for erl_epmd:port_please
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