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We will need a way to check whether an prepared BEAM modules has
an on_load function.
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OTP-13341
* sverk/erts-hipe_x86_signal-cleanups:
hipe_sigaltstack: correct initialization of ss.ss_flags
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
hipe_x86_signal: cleanups
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* sverk/fix-list-length-int/OTP-13288:
erts: Fix error cases in enif_get_list_length
erts: Use Sint instead of int for list lengths
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* bjorn/remove-test_server/OTP-12705:
Remove test_server as a standalone application
Erlang mode for Emacs: Include ct.hrl instead test_server.hrl
Remove out-commented references to the test_server applications
Makefiles: Remove test_server from include path and code path
Eliminate use of test_server.hrl and test_server_line.hrl
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* sverk/nif-test-cuddle:
erts: Fix wobbling test failure in nif_SUITE
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* msantos/ms/typo-windows-build-script:
Fix typo in Windows build scripts
OTP-13337
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* jv/erts/optimize-cmp:
Unify comparison macros in erl_utils.h
Avoid erts_cmp jump in atom, int and float comparisons
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Since no test suites includede test_server.hrl, there is no need
to have test_server in the include path or code path.
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As a first step to removing the test_server application as
as its own separate application, change the inclusion of
test_server.hrl to an inclusion of ct.hrl and remove the
inclusion of test_server_line.hrl.
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This removes the duplication in having both `cmp_eq`
and `CMP_EQ` and normalizes their name to uppercase.
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Given the function definition below:
check(X) when X >= 0, X <= 20 -> true.
@nox has originally noticed that perfoming lt and ge
guard tests were performing slower than they should be.
Further investigation revealed that most of the cost
was in jumping to the erts_cmp function. This patch
brings the operations already inlined in erts_cmp
into the emulator, removing the jump cost.
After applying these changes, invoking the check/1
function defined above 30000 times with different
values from 0 to 20 has fallen from 367us to 213us
(measured as average of 3 runs). This is a
considerably improvement over Erlang 18 which takes
556us on average.
Floats have also dropped their time from 1126us
(on Erlang 18) to 613us.
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* rickard/ds-fixes:
Fix unique_SUITE for dirty schedulers
Add dirty scheduler process termination test
Ensure that work is done on the correct type of schedulers
Conflicts:
erts/emulator/beam/erl_process.c
erts/emulator/beam/erl_process.h
erts/emulator/beam/erl_process_dump.c
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In scheduler_SUITE add a new test that runs a single dirty I/O
scheduler and launches a number of dirty I/O NIF calls that each sleep
for 3 seconds. Given the single scheduler, the first of these will run
while the rest queue up. Then start killing these processes, and
verify they call exit correctly.
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Only the actual call to the dirty nif is allowed to execute on
dirty schedulers. The dirty nif is not allowed to execute on
normal schedulers if dirty schedulers are available.
Arrival of exit signals and system tasks, while a process was
scheduled for execution on a dirty scheduler, could mess up the
process internal state.
Preparation for dirty system task has been made, but is currently
unused.
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ResA may have been GC'd after its last use.
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SS_ONSTACK may be set in oss, but it's not supposed to be set
in ss, and some systems correctly reject that; current Linux
kernels accept but ignore it in ss
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* sverk/thread-unsafe-alloc:
erts: Fix faulty assert for non-smp
erts: Add checks for thread safe allocation
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* sverk/safe-purging/OTP-13122:
erts: Fix harmless dialyzer warnings
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* sverk/hipe-line-table-bug/master/OTP-13282:
erts: Fix bug concerning line information for hipe modules
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* sverk/hipe-line-table-bug/OTP-13282:
erts: Fix bug concerning line information for hipe modules
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* sverk/proc-exiting-timer-race/OTP-13245:
erts: Fix race between receive timeout and exit signal
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false if improper list
false if length > UINT_MAX
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This avoids potential integer arithmetic overflow for very large lists.
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* binarin/epmd-race:
Prevent down nodes going undetected in epmd
OTP-13301
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* kvakvs/erts/list_to_integer/OTP-13293:
Better list_to_integer
Moved do_list_to_integer from bif.c to big.c
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* maint:
erts: When erts_alloc fails, the emulator no longer aborts
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* lukas/erts/enomem_no_abort/OTP-13292:
erts: When erts_alloc fails, the emulator no longer aborts
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* lukas/erts/msacc:
Update preloaded modules
erts: Make msacc alloctor type thread safe
Silence compiler
erts: Fix msacc testcase on some windowses
erts: Add power saving cpu feature tests and use them
erts: Refactor perf counter internal interface
erts: Add rdtscp instruction check
erts: Fix hrtime for windows
erts: use correct function for perf counter on non-x86
erts: Fix msacc win32 debug compile error
erts: Add microstate accounting
erts, kernel: Add os:perf_counter function
erts: Add ERTS_WRITE_UNLIKELY
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* maint:
Use nano second time unit in tracing
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* rickard/monotonic-time-improvements/OTP-13222:
Use nano second time unit in tracing
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Conflicts:
erts/emulator/beam/beam_emu.c
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Now tries to use whole width of signed long (Sint) and this halves amount of
multiplications needed to parse long integers. New code is 2-3 times faster
than the old code for large inputs (tens and hundreds of digits), behavior
should not change for small inputs.
Test ran 10k times with GC forced between attempts.
Was (R17):
720 el base 10: 0.14682 sec; base 16: 0.192722 sec; base 36: 0.337118 sec.
2800 el base 10: 1.794133 sec; base 16: 2.735106 sec; base 36: 4.761108 sec.
6500 el base 10: 9.316434 sec; base 16: 14.109469 sec; base 36: 25.319263 sec.
Now (R19 Dev)
720 el base 10: 0.10265 sec; base 16: 0.10851 sec; base 36: 0.160478 sec.
2800 el base 10: 1.002793 sec; base 16: 1.360649 sec; base 36: 2.174309 sec.
6500 el base 10: 4.722197 sec; base 16: 6.60522 sec; base 36: 10.552795 sec.
Added test for corner cases and sign bit corruption. Replaced macros with
inline and hid it inside C file to not pollute global namespace
Old bug in #define LG2_LOOKUP: Replaced with inline function and table
recalculated for all bases 2 to 36 (was 2 to 64)
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* margnus1/bs_unit_fix:
hipe: Fix signed compares of unsigned sizes
beam: Fix overflow bug in i_bs_add_jId
hipe: Add tests for bad bit syntax float sizes
Add a case testing the handling of guards involving binaries
Add some more binary syntax construction tests
hipe: Guard against enormous numbers in ranges
hipe: Fix constructing huge binaries
hipe: Fix binary constructions failing with badarith
Add missing corner-case to bs_construct_SUITE
hipe: Allow unsigned args in hipe_rtl_arith
hipe: test unit size match in bs_put_binary_all
hipe: test unit size match in bs_append
Fix hipe_rtl_binary_construct:floorlog2/1
OTP-13272
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* maint:
Fix testcase
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* rickard/rq-len/OTP-13201:
Fix testcase
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LONG_LIVED is not thread safe on non-smp and
can only be used by scheduler.
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perf counter is now part of the function pointer interface
and also the function returns the value instead of writing
to a memory buffer.
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