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It is not needed since we have LIST_HEAD_INIT initializer in
mjit_worker.c
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66203 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66186 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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in a new variable cc_common_args.
`cflags=-save-temps=obj` makes MJIT fail like:
https://rubyci.org/logs/www.rubyist.net/~akr/chkbuild/debian/ruby-trunk/log/20181203T095000Z.log.html.gz
This rubyci specifies -save-temps=obj in CFLAGS to use update-deps, and
the flag is harmful when we want to use -pipe flag.
mjit_worker.c: prefer cc_common_args over CC_COMMON_ARGS
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66164 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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because we mostly use cc_path now and the comment is obsolete (CC_PATH
is now absolute path and the TODO is already resolved).
mjit.c: use CC_COMMON_ARGS[0] directly
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66162 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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postponed_job is safe to use in signal handlers, but is not
thread-safe for MJIT. Implement a workqueue for MJIT
thread-safety.
[Bug #15316]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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-local variable to global variable.
Consider this case:
1. MJIT worker: dequeue ISeq (stop_worker_p was still FALSE)
2. Ruby thread: call Kernel#exec, which calls mjit_finish(FALSE),
sets `stop_worker_p = TRUE`, and fires RUBY_VM_CHECK_INTS() once
3. MJIT worker: register copy job, but found stop_worker_p is TRUE.
set `worker_stopped = TRUE` and the thread stops.
4. Function-local job variable expires by the thread stop (this is eliminated by this commit)
5. Ruby thread: find `worker_stopped` becamse TRUE, start Kernel#exec.
Kernel#exec fails but exception is rescued.
6. Ruby thread: call RUBY_VM_CHECK_INTS. copy job is dispatched but job variable
is already expired.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66035 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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[Bug #15316]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66001 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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because JIT-ed code may still be on stack at this time, unlike
in ruby_cleanup().
This hopes to fix: (take 2)
http://ci.rvm.jp/results/trunk-mjit-wait@silicon-docker/1480207
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65999 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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This reverts commit 0e6aba22c6b876a36adc39cac5314ce6e626954c.
because it didn't help, at all.
http://ci.rvm.jp/results/trunk-mjit-wait@silicon-docker/1480207
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65998 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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http://ci.rvm.jp/results/trunk-mjit-wait@silicon-docker/1480173
It tries to print C backtrace but fails. And core file on the server
seems to be stopping on the irrelevant place due to its own signal
handler for the dump.
And I failed to reproduce this SEGV on my machine.
I don't know why it's broken, so let me try this change to investigate
the reason of SEGV.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65997 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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like this http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1471633
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65928 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65825 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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it didn't work.
http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1468677
and skips broken tests for now. But this issue should be fixed soon.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65814 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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to prevent from proceeding one for MJIT while it's not safe yet.
By that situation, MJIT worker could be waiting for compiler process forever
http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1468033
[Bug #15320]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65807 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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in mjit_pause() fired by before_fork_ruby(). When calling
RUBY_VM_CHECK_INTS() in mjit_pause()'s loop, other threads may call
start_worker() which sets `stop_worker_p = FALSE` and it could wait for
MJIT worker stop forever even while `stop_worker_p` is FALSE.
http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1466333
https://gist.github.com/ko1/a57ef1a03e1c7cfd22f1495e0864b63d
http://ci.rvm.jp/results/trunk-mjit-wait@silicon-docker/1466335
https://gist.github.com/ko1/96e867e36e6b75559b3d926f8c0bdaeb
https://app.wercker.com/ruby/ruby/runs/mjit-test1/5bf1221c183106002855989c?step=5bf1225987436a0006192c31
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65790 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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by launching MJIT worker thread in child Ruby process.
See the comment before `mjit_child_after_fork` for details.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65785 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* Makefile.in (mjit_build_dir.so): separate MJIT_BUILD_DIR to
eliminate the feature for test-all after installation.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65587 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65572 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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-available region. reducing risk of SEGV in mjit_copy_job_handler() like
http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1446117
I'm not sure which exact part is causing "[BUG] Segmentation fault at 0x0000000000000008"
on `(mjit_copy_job_handler+0x12) [0x564a6c4ce632] /home/ko1/ruby/src/trunk-mjit/mjit.c:26`...
mjit.c: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65569 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65566 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* Makefile.in (mjit_build_dir.so): separate MJIT_BUILD_DIR to
eliminate the feature for test-all after installation.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65563 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* mjit.c (init_header_filename): sticky-mode directory probably
would be less unsafe even if it is not owned.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65551 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65541 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65536 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rb_mjit_unit can either exist in unit_queue or active_units, but
not both. This will make state transitions for event-based MJIT
process management easier.
v2: recheck unit->iseq after GC wakeup
The iseq may be GC-ed while we were waiting for it since we
delete the unit from unit_queue during get_from_list
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65475 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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This reverts commit ff5dc2cbbf9e7b67c8579ef166bf6a4755507304.
Deadlock: http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1438883
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65474 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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https://bugs.ruby-lang.org/issues/14867#note-112
I wanna touch similar places. To avoid our conflict, let me merge Eric's patch earlier.
Let's watch trunk-mjit / trunk-mjit-wait CIs.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65473 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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This reverts commit c5177fa8464ac304547e384583f9c287e124d34a. r65468
Many CI failures like:
http://ci.rvm.jp/results/trunk-mjit-wait@silicon-docker/1438415
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65471 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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rb_mjit_unit can either exist in unit_queue or active_units, but
not both. This will make state transitions for event-based MJIT
process management easier.
[ruby-core:89654]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65468 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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For robustness against future changes. There should be no impact
at the moment,here, but we may call mjit_finish more than once
in a process lifetime in the future (implementing "stop"
instead of just "pause")
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65443 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Given that `copy_cache_from_main_thread()` breaks the loop when `stop_worker_p`
is TRUE, memory of `job` allocated by `alloca` may be invalid if `stop_worker_p`
is already TRUE.
mjit_worker.c: explain why `copy_cache_from_main_thread()` should not
stop checking `stop_worker_p`.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65312 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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same as r65275 but for call cache.
=== Optcarrot Benchmark ===
$ benchmark-driver benchmark.yml --rbenv 'before::before --disable-gems --jit;after::after --disable-gems --jit' -v --repeat-count 24
before: ruby 2.6.0dev (2018-10-21 trunk 65277) +JIT [x86_64-linux]
after: ruby 2.6.0dev (2018-10-21 trunk 65277) +JIT [x86_64-linux]
last_commit=mjit.c: copy call cache values to MJIT worker
Calculating -------------------------------------
before after
Optcarrot Lan_Master.nes 85.372 85.359 fps
Comparison:
Optcarrot Lan_Master.nes
before: 85.4 fps
after: 85.4 fps - 1.00x slower
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65279 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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on VM_CHECK_INTS. Letting MJIT worker directly see inline cache which
may be being updated could result in inconsistent IC index and serial.
mjit_worker.c: request the copy job after dequeue, and receive the
result synchronously.
tool/ruby_vm/views/_mjit_compile_ivar.erb: use the copied IC
mjit_compile.c: change the interface to pass is_entries
mjit.h: ditto
=== Optcarrot Benchmark ===
Thankfully this didn't have major performance regression.
$ benchmark-driver benchmark.yml --rbenv 'before::before --disable-gems --jit;after::after --disable-gems --jit' -v --repeat-count 24
before: ruby 2.6.0dev (2018-10-21 trunk 65263) +JIT [x86_64-linux]
after: ruby 2.6.0dev (2018-10-21 trunk 65263) +JIT [x86_64-linux]
last_commit=mjit.c: copy inline cache values to MJIT worker
Calculating -------------------------------------
before after
Optcarrot Lan_Master.nes 85.421 85.454 fps
Comparison:
Optcarrot Lan_Master.nes
after: 85.5 fps
before: 85.4 fps - 1.00x slower
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65275 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* configure.ac: introduce new configure option `--enable-mjit` and
`--disable-mjit`. Default is "enable".
`--disable-mjit` disables all of MJIT features so that `ruby --jit`
can't enable MJIT.
This option affect a macro `USE_MJIT`.
This change remove `--enable/disable-install-mjit-header` option.
* Makefile.in: introduce the `ENABLE_MJIT` variable.
* common.mk: use `ENABLE_MJIT` option.
* internal.h: respect `USE_MJIT`. Same as other *.c, *.h.
* test/ruby/test_jit.rb: check `ENABLE_MJIT` key of rbconfg.rb.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65204 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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test/ruby/test_rubyvm_mjit.rb: add reproductive test
[Bug #15071]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65179 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64931 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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after the first compilation on --jit-wait.
Previously the assignment to `func` didn't have meaning for the behavior,
and the compiled code wasn't called immediately after the synchronous
compilation. It wasn't intentional.
Fixing this issue without impacting performance without --jit-wait is
not so obvious. Adding branch or goto to call func in mjit_exec spoiled
the performance without --jit-wait. Instead of that, I called the func
inside mjit_wait_call() (former mjit_get_iseq_func()) which is never
inlined to mjit_exec(). Thanks to that, this commit has no impact for
normal performance.
mjit.c: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64929 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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in mark_ec_units() to simplify code.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64321 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64307 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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of mjit_worker(). It was needed when mjit_worker.c is separated from
mjit.c, but it's now just included.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64306 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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Unlike ZALLOC, it's not automatically handled.
mjit.c: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64304 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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as mjit_warning().
mjit.c: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64298 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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and remove old mjit_ prefixes again.
mjit.c: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64292 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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and remove redundant mjit_ prefixes.
mjit_worker.c: ditto
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64290 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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instead of linking functions with mjit_worker.o.
In the r64285's structure, we needed to publish some variables with
mjit_ prefix. But ideally those variables should be completely private
in mjit.o (or old mjit_worker.o), and it was hard.
So I chose an approach similar to vm*.c for mjit.c and mjit_worker.c.
I believe mjit_compile.c is still nice to be separated.
After this commit, I'll remove the mjit_ prefix again...
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64289 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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from mjit.c because it's executed only on MJIT worker thread.
Instead of that, `valid_class_serials` is shared with mjit_ prefix.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64288 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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which was just forgotten.
mjit.c: ditto
mjit_internal.h: moved some macros only used by mjit_worker.c to it.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64287 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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The motivation of this change is to make sure rb_funcall or GC-related
functions are not called on worker-related code. Currently such
functions are used in some places and I believe it's partly because it's
hard to identify which part is called on MJIT worker thread.
Now, mjit.c is safe to use them but we know we need to safely deal with
mjit_compile.c, mjit_worker.c and mjit_internal.h.
mjit_compile.c: update the comment about it
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64285 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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* version.c (Init_ruby_description): separate to initialize
RUBY_DESCRIPTION constant according to mjit.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64264 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64261 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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