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Conflicts:
erts/emulator/Makefile.in
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* lukas/erts/remove_benchmark_code/OTP-13743:
hipe: Remove performance profiling code
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This type of statistics is now available through the microstate
accounting API.
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* lukas/erts/tracing/get_seq_tracer_mem_leak/OTP-13742:
erts: Make sure to de-allocate the old seq tracer
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* pw/erts/documentation-editorial-changes/OTP-13740:
erts: Review of documentation changes
erts: Editorial changes
erts: Move all functions in docs to be in alphabetical order
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maint-19
* egil/compiler/fix-literal-binary-match/ERL-190/OTP-13738:
Update primary bootstrap
Revert "beam_dead: Improve optimization of literal binary matching"
compiler: Test literal binary matching
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* sverker/update_counter-deadlock/ERL-188/OTP-13731:
erts: Add test ets_SUITE:update_counter_table_growth
erts: Fix deadlock in ets:update_counter/4
erts: Optimize db_finalize_dbterm_hash
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* sverker/bsl-gc-overflow/OTP-13732:
erts: Fix GC overrun bug in 'bsl' op with small Op1
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* hasse/stdlib/fix_shell_records/ERL-182/OTP-13719:
stdlib: Correct a bug regarding records in the shell
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* elbrujohalcon/fix-lc-doc/PR-1125/OTP-13739:
Add clarification on LC semantics (#1)
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'We' wait.
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* siri/reltool/dep_in_app_not_xref/ERL-167/OTP-11993:
[reltool] Fix dependency bug for applications not in 'rel' specs
[reltool] Fix dependency bug for applications in 'rel' specs
[reltool] Add test for ERL-167
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This commit only changes the order of functions and does some
other rearrangements to that the diff with the next commit will
be easier to follow. No content or XML tags are changed.
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This reverts commit 105c5b0071056dc062797e58772e098d2a3a4627.
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The following regression was introduced in 19.0:
foo(bar, <<"x">>) -> 1;
foo(_, <<"x">>) -> 2;
foo(_, <<"y">>) -> 3;
foo(_, _) -> fail.
The call foo(bar,<<"y">>) would errorneous return 'fail' instead of 3.
A testcase in match_SUITE has been added to verify this.
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It addresses the special case of generator-less LCs.
As a bonus, I fixed a typo :)
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The 'array' module is highly optimised for the hipe_vectors use-case,
and seems to perform slightly better than the gb_trees implementation.
Also, we remove the completely unnecessary hipe_vectors.hrl header.
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Slightly improves performance.
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Also, remove unused field 'counter' from #state{}.
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Profiling showed that hipe_sdi spent most of its time in updateParents,
discarding nodes that were already deleted. By introducing a delete
operation to the segment trees, we can pay this cost only once, when
deleting the node from the graph.
Instead of keeping the ranges around, we recompute the range of the node
when we delete it, since this can be done in constant time, without any
memory allocation.
Although segment trees are not designed to be modified once built,
implementing a delete operation turned out to be a simple matter of
repeating insertion, but deleting the index from, instead of consing it
on, the appropriate nodes' values (segment lists).
This optimisation drastically sped up hipe_sdi to the point of no longer
being the bottleneck in the Assembly stage.
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This speeds up parentsOfChild/2 from O(n) to O(lg n + k).
A new module misc/hipe_segment_trees.erl is introduced.
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hipe_icode_bincomp:find_bs_get_integer/3 was quadratic for no good reason. By observing
that NewSuccs and Rest are always disjoint, we can see that the worklist
does not need to be a set. Furthermore, by replacing the ordset Visited
with a map, we reduce complexity to (a very low) O(n lg n).
On cuter_binlib, this change reduced the time for hipe_icode_bincomp
from 60s to .25s. Using a gb_set for Visited gives .5s, and a sets:set
1s.
We apply the same optimisation to hipe_icode_range.
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For applications that are not included in a 'rel' spec in the reltool
config, dependencies in the .app file are not followed. This is now
corrected.
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For applications that are included in a 'rel' spec in the reltool
config, some dependency chains are not followed. E.g.
* Application x has y as included application, and y in turn has z as
included application. Then z is not included.
* Application x has y in its 'applications' tag in the .app file, and
y in turn has z as included application. Then z is not included.
This is now corrected - all app-file dependencies are recusively
followed for all applications that are included in a 'rel' spec in the
reltool config.
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For applications that are explicitly included in the reltool config,
but that are not included in a 'rel' spec, dependencies in the .app
file are not followed (only xref dependencies are taken care of).
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* siri/cuddle-maint:
[sasl test] Skip tests on slow host
[sasl test] Catch erlang:port_close/1
[ct test] Extent node startup timeouts in netconfc_remote_SUITE
[ct test] Monitor netconf server during transaction
[sasl test] Extend wait time when starting nodes
[ct test] Skip system time related tests on TimeWarpingOS
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* siri/cuddle-master:
Make crashdump_viewer_SUITE independent of OTP version
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* maint:
erts: After a call to a tracer nif, reset htop
erts: Check if return_to trace is enabled for bif
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* lukas/erts/tracing/bif_return_to_trace_fix/OTP-13734:
erts: After a call to a tracer nif, reset htop
erts: Check if return_to trace is enabled for bif
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This is needed in order for the heap to never contain
any pointers to invalid memory. This is good for performance
and debugging reasons.
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