when $MJIT_SEARCH_BUILD_DIR is set.
If prefix path is owned by root, `make install` needs to be run by root.
But in general we don't want to run `make test-all`, and also running
`make test-all` currently fails due to permission tests of rdoc and rubygems.
Thus, prior to this commit, specifying a prefix like "/usr/local" could
mean there was no way to pass test-all.
So we should not depend on `make install` for `make test-all`. Thus I
reverted r64104 and r64103, and applied this workaround to pass `make
test-all` without `make install`.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64143 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
between a type of return value and function identifier. Like:
```
rb_control_frame_t *
__attribute__ ((__fastcall__)) rb_vm_opt_struct_aref(rb_execution_context_t *ec, rb_control_frame_t *reg_cfp)
{
...
}
```
[Bug #14949]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64138 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* test/ruby/test_thread_{cv,queue}.rb: Move under the test/ruby directory.
and rename TestThread* from Test*.
* test/test_sync.rb: Move toplevel of test diretory because sync is still
standard library.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64137 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
I can't reproduce the test failure and I'm still not sure what's
wrong, but maybe we can get a core dump from P895:
http://ci.rvm.jp/results/trunk@P895/1174672
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64135 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
We must not allow reentry into ubf_list_head once we delete
ourselves, otherwise we could hang in there forever.
[ruby-core:88218] [Bug #14945]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64134 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Not having contention for GVL could mean everybody else is stuck
in blocking region without GVL, so we kick the ubf list in that
case.
I expect this to fix test_thread_fd_close timeout:
http://ci.rvm.jp/results/trunk-test@ruby-sky3/1173398
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64133 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* thread_pthread.c (USE_NATIVE_SLEEP_COND): revised wrongly removed
line with the ifndef guard.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64131 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Maybe some platforms have strange condition variable implementations
which have a "memory" of which mutexes they're associated with.
In any case, it makes documentation easier even on GNU/Linux and
FreeBSD.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64124 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Resurrect r63754 in a 1.8-compatible way. While we're at it,
add a note to maintain 1.8 compatibility (cf. r63757).
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64120 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
We see several occurrence of "diagnostic push/pop" so why not
make them macros. Tested on GCC8 / Clang 6.
Note that ruby.h is intentionally left untouched because we don't
want to introduce new public macros.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64118 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
We reuse sleep_cond for waitpid notifications as well as GVL
waiting. So we must take care to not hold onto sleep_cond
when we try to reacquire GVL.
[ruby-core:88183]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64117 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
We need to be able to perform periodic ubf_list wakeups when a
thread is sleeping and waiting on signals.
[ruby-core:88088] [Misc #14937] [Bug #5343]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64115 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
It's possible for another thread to take vm->gvl.lock
during gvl_release at the end of thread_start_func_2
during VM shutdown, at least.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64114 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
We can't always designate a timer thread, so any sleepers must
also perform ubf wakeups. Note: a similar change needs to be
made for rb_thread_fd_select and rb_wait_for_single_fd.
[ruby-core:88088] [Misc #14937] [Bug #5343]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64111 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread_pthread.c relies on ppoll for rb_sigwait_sleep, so ensure
the compatibility wrapper is available for it.
[Bug #14950]
Reported-by: SHIBATA Hiroshi <hsbt@ruby-lang.org>
Reported-by: Greg L <Greg.mpls@gmail.com>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64110 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
thread_pthread.c relies on ppoll for rb_sigwait_sleep, so ensure
the compatibility wrapper is available for it.
Reported-by: SHIBATA Hiroshi <hsbt@ruby-lang.org>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64109 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
We still need to to designate a timer thread after registering target
thread for the ubf list.
Oops :x
Note: I was never able to reproduce
test/thread/test_queue.rb::test_thr_kill failures on my on
Debian machines.
[ruby-core:88088] [Misc #14937] [Bug #5343]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64108 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
To reduce resource use and reduce CI failure; remove
timer-thread. Single-threaded Ruby processes (including forked
children) will never see extra thread overhead. This prevents
glibc and jemalloc from going into multi-threaded mode and
initializing locks or causing fragmentation via arena explosion.
The GVL is implements its own wait-queue as a ccan/list to
permit controlling wakeup order. Timeslice under contention is
handled by a designated timer thread (similar to choosing a
"patrol_thread" for current deadlock checking).
There is only one self-pipe, now, as wakeups for timeslice are
done independently using condition variables. This reduces FD
pressure slightly.
Signal handling is handled directly by a Ruby Thread (instead
of timer-thread) by exposing signal self-pipe to callers of
rb_thread_fd_select, native_sleep, rb_wait_for_single_fd, etc...
Acquiring, using, and releasing the self-pipe is exposed via 4
new internal functions:
1) rb_sigwait_fd_get - exclusively acquire timer_thread_pipe.normal[0]
2) rb_sigwait_fd_sleep - sleep and wait for signal (and no other FDs)
3) rb_sigwait_fd_put - release acquired result from rb_sigwait_fd_get
4) rb_sigwait_fd_migrate - migrate signal handling to another thread
after calling rb_sigwait_fd_put.
rb_sigwait_fd_migrate is necessary for waitpid callers because
only one thread can wait on self-pipe at a time, otherwise a
deadlock will occur if threads fight over the self-pipe.
TRAP_INTERRUPT_MASK is now set for the main thread directly in
signal handler via rb_thread_wakeup_timer_thread.
Originally, I wanted to use POSIX timers
(timer_create/timer_settime) for this. Unfortunately, this
proved unfeasible as Mutex#sleep resumes on spurious wakeups and
test/thread/test_cv.rb::test_condvar_timed_wait failed. Using
pthread_sigmask to mask out SIGVTALRM fixed that test, but
test/fiddle/test_function.rb::test_nogvl_poll proved there'd be
some unavoidable (and frequent) incompatibilities from that
approach.
Finally, this allows us to drop thread_destruct_lock and
interrupt current ec directly.
We don't need to rely on vm->thread_destruct_lock or a coherent
vm->running_thread on any platform. Separate timer-thread for
time slice and signal handling is relegated to thread_win32.c,
now.
[ruby-core:88088] [Misc #14937]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64107 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This should fix CI failure under MJIT, 100ms wait may not be
enough for signal handler to fire:
http://ci.rvm.jp/results/trunk-mjit@silicon-docker/1169472
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64105 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Otherwise, an altstack may live past ObjectSpace destruction
and xfree-ing the altstack will segfault.
[ruby-core:85621] [Feature #14487]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64102 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* ext/openssl/extconf.rb: LibreSSL headers emit "overriding WinCrypt
defines" warnings if wincrypt.h has been included (except for
x509.h) on Windows. get rid of including the header by defining
NOCRYPT macro.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64101 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
to use compaction with --jit-save-temps.
Prior to this commit, JIT compaction didn't work with --jit-save-temps
but it wasn't intentional.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64100 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
for the ease of MSP-Greg's CI. I'll track this failure as Bug#14948 and
fix it later.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64099 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
When --jit-wait is specified, `unit_queue.length` is always 0 and it's
not a good metric.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64097 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Repack rb_thread_struct, rb_execution_context_struct, args_info and
iseq_compile_data to save 1 word per struct.
re_pattern_buffer remains unpacked due to the possible binary
compatibility.
[Fix GH-1907]
Based on the patch
From: Lourens Naudé <lourens@bearmetal.eu>
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64096 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
When all compilation finishes or the number of JIT-ed code reaches
--jit-max-cache, this compacts all generated code to a single .so file
and re-loads all methods from it.
In the future, it may trigger compaction more frequently and/or limit
the maximum times of compaction to prevent unlimited memory usage.
So the current behavior is experimental, but at least the performance
improvement in this commit won't be removed.
=== Benchmark ===
In this benchmark, I'll compare following four conditions:
* trunk: r64082
* trunk JIT: r64082 w/ --jit
* single-so JIT: This commit w/ --jit
* objfcn JIT: This branch https://github.com/k0kubun/ruby/tree/objfcn w/ --jit,
which is shinh's objfcn https://github.com/shinh/ruby/tree/objfcn rebased from this commit
```
$ uname -a
Linux bionic 4.15.0-29-generic #31-Ubuntu SMP Tue Jul 17 15:39:52 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux
```
* Micro benchmark
Using this script https://gist.github.com/k0kubun/10e6d3387c9ab1b134622b2c9d76ef51,
calls some amount of different methods that just return `nil`. The following tables
are its average duration seconds of 3 measurements.
Smaller is better.
** 1 method (seconds)
| | trunk | trunk JIT | single-so JIT | objfcn JIT |
|:------|:------------------|:------------------|:------------------|:------------------|
| Time | 5.576067774333296 | 5.915551971666446 | 5.833641665666619 | 5.845915191666639 |
| Ratio | 1.00x | 1.06x | 1.05x | 1.05x |
** 50 methods (seconds)
| | trunk | trunk JIT | single-so JIT | objfcn JIT |
|:------|:------------------|:------------------|:------------------|:------------------|
| Time | 3.1661167996666677| 6.125825928333342 | 4.135432743666665 | 3.750358728333348 |
| Ratio | 1.00x | 1.93x | 1.31x | 1.18x |
** 1500 methods (seconds)
| | trunk | trunk JIT | single-so JIT | objfcn JIT |
|:------|:------------------|:------------------|:------------------|:------------------|
| Time | 5.971650823666664 | 19.579182102999994| 10.511108153999961| 10.854653588999932|
| Ratio | 1.00x | 3.28x | 1.76x | 1.82x |
* Discourse
Using the same benchmark strategy as https://bugs.ruby-lang.org/issues/14490 with
this branch https://github.com/k0kubun/discourse/commits/benchmark2 forked from discourse
v1.8.11 to support running trunk.
1. Run ruby script/bench.rb to warm up profiling database
2. Run RUBYOPT='--jit-verbose=1 --jit-max-cache=10000' RAILS_ENV=profile bin/puma -e production
3. WAIT 5-15 or so minutes for all jitting to stop so we have no cross talk
4. Run ab -n 100 http://localhost:9292/
5. Wait for all new jitting to finish
6. Run ab -n 100 http://localhost:9292/
** Response time (ms)
Here is the response time milliseconds for each percentile.
Skipping 99%ile because it's the same as 100%ile in 100 calls.
| | trunk| trunk|single|objfcn|
| | | JIT|so JIT| JIT|
|:----|:-----|:-----|:-----|:-----|
| 50% | 38 | 45 | 41 | 43 |
| 66% | 39 | 50 | 44 | 44 |
| 75% | 47 | 51 | 46 | 45 |
| 80% | 49 | 52 | 47 | 47 |
| 90% | 50 | 63 | 50 | 52 |
| 95% | 60 | 79 | 52 | 55 |
| 98% | 91 | 114 | 91 | 91 |
|100% | 97 | 133 | 96 | 99 |
** Ratio (smaller is better)
Here is the response time increase ratio against no-JIT trunk's one.
| | trunk| trunk|single|objfcn|
| | | JIT|so JIT| JIT|
|:----|:-----|:-----|:-----|:-----|
| 50% | 1.00x| 1.18x| 1.08x| 1.13x|
| 66% | 1.00x| 1.28x| 1.13x| 1.13x|
| 75% | 1.00x| 1.09x| 0.98x| 0.96x|
| 80% | 1.00x| 1.06x| 0.96x| 0.96x|
| 90% | 1.00x| 1.26x| 1.00x| 1.04x|
| 95% | 1.00x| 1.32x| 0.87x| 0.92x|
| 98% | 1.00x| 1.25x| 1.00x| 1.00x|
|100% | 1.00x| 1.37x| 0.99x| 1.02x|
While 50 and 60 %ile are still worse than no-JIT trunk, 75, 80, 90, 95,
98 and 100% are not slower than that.
So now it's a little harder to say "MJIT slows down Rails applications".
Probably I can close [Bug #14490] now. Let's start improving it.
Close https://github.com/ruby/ruby/pull/1921
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64094 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
* win32/win32.c (constat_parse): split long buffer and limit write
size on a console, as well as rb_w32_write.
[ruby-dev:50597] [Bug #14942]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64092 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
