Activity
From 11/05/2020 to 11/11/2020
11/11/2020
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11:51 PM Feature #16786: Light-weight scheduler for improved concurrency.
- I had a call with @ioquatix .
He doesn't like `Thread.current.fiber_scheduler=` (mixing too many things).
He says `Fi... -
10:32 PM Bug #17321 (Closed): Having a singleton class makes cloning imperfect
## Problem
---
Running the following reproduction script:
```ruby
class Foo
def self.foo; end
end
def re...-
- @hsbt Was it extracted to a gem?
BTW:
```
$ gem-codesearch "require.+Win32API" | wc -l
339
$ gem-codesearch -i... -
12:28 AM Feature #17267 (Closed): Remove Win32API at Ruby 3.0
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- Eregon (Benoit Daloze) wrote in #note-7:
> Also, it seems a big issue if exceptions in Ractor are silently ignored.
... -
- Also, it seems a big issue if exceptions in Ractor are silently ignored.
If we can't `Ractor.yield` the exception, t... -
- I think (2) is a better solution.
A Ractor should always be able to send messages while it's alive.
Another thoug... -
09:11 AM Bug #17310 (Closed): Closed ractors should die
- Applied in changeset commit:git|deed21bb08170431891b65fda26f4a3557c9ffd4.
----------
ignore yield_atexit if outgoing... -
- At least, I merged (1) patch.
`Ractor#kill` is not acceptable to avoid non-deterministic behavior like introduced by... -
07:11 PM Feature #17316: On memoization
- > What about allowing Kernel#instance_variable_set to take a block instead of the second argument, in which case the ...
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06:36 PM Feature #17316: On memoization
- marcandre (Marc-Andre Lafortune) wrote in #note-3:
> I just released a small gem to deal with memoization
Looks i... -
- Memoization is tricky, not just for `nil`/`false` values. What about freezing that object? What about calling `Ractor...
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- I have seen so many attempts to memoize a value in the form:
```ruby
@foo ||= some_heavy_calculation(...)
```
... -
06:54 PM Feature #17307: A way to mark C extensions as thread-safe, Ractor-safe, or unsafe
- I talked this over with Eregon yesterday in the context of doing this work in TruffleRuby, and we came to the conclus...
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05:40 PM Bug #17320: Is 'make realclean' supposed to work?
- Sorry, hit the enter. Prematurealy.
The DeveloperHowto [1] mentions `make realclean` to remove everything pregener... -
- https://github.com/ruby/ruby/blob/fa3670e6e48a8553ad1f37bbfbd112911da497d1/common.mk#L649
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- I didn't suggest anything, as I don't see a good name, and I don't see the appeal of this method:
- it can not be mo... -
- marcandre (Marc-Andre Lafortune) wrote in #note-2:
> I'll reopen this, as you are asking for a mutating version of `t... -
03:49 PM Misc #17319: Rename Random.urandom to os_random and document random data sources
- [PR here](https://github.com/ruby/ruby/pull/3760)
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- SecureRandom gets randomness from `Random.urandom`, which is a confusing name because `urandom` only uses /dev/urando...
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03:23 PM Bug #17318 (Rejected): Raising float to the power of other issue
- It is due to precedence of operators unary minus and `**`.
`x**y` calculates `(-0.4790529833050308)**0.99180327868... -
12:34 PM Bug #17318: Raising float to the power of other issue
- Formatting replaced the double * with a single * i put in the snippet above, please ignore
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- Raising a negative float to another float results in a complex number. Interestingly, doing the same thing without us...
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02:19 PM Feature #17314: Provide a way to declare visibility of attributes defined by attr* methods in a single expression
- >> The idea behind private attribute methods (which I've seen used in a lot of codebases, and use myself) is uniformi...
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12:54 PM Feature #17314: Provide a way to declare visibility of attributes defined by attr* methods in a single expression
- sawa (Tsuyoshi Sawada) wrote in #note-2:
> Private attribute methods defeat the purpose of attribute methods. If you ... -
- > Private attribute methods defeat the purpose of attribute methods. If you want to access them within the class, you...
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- > Private attribute methods defeat the purpose of attribute methods
I should have mentioned it, but it is more use... -
- Private attribute methods defeat the purpose of attribute methods. If you want to access them within the class, you c...
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- Actually, situation with documentation sites is kind of weird now (to say the least).
* "Official" docs.ruby-lang.... -
02:11 PM
Bug #17317: In 2.7.2, Hash#except doesn't seem to exist, but is in the documentation
- Thanks, and apologies for raising this in the wrong place! I've emailed the site owner.
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- If I recall correctly, we have received some issue reports about ruby-doc.org maybe because the site looks official t...
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- Thanks for the report, but ruby-doc.org is a third-party project that the ruby-core team is not maintaining. Could yo...
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10:54 AM
Bug #17317 (Third Party's Issue): In 2.7.2, Hash#except doesn't seem to exist, but is in the documentation
- According to https://ruby-doc.org/core-2.7.2/Hash.html#method-i-except, Hash#except is available in 2.7.2, but it doe...
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- close_incoming by antoher ractor means there is no other messages
will be sent to the ractor, so Ractor.receive will ... -
- If outgoing_port is closed, Ractor.yield never successes.
[Bug #17310] -
- If a terminating ractor has child threads, then kill all child
threads. -
- The timer function used on windows system set timer interrupt
flag of current main ractor's executing ec and thread c... -
12:52 AM Misc #17309: URI.escape being deprecated, yet there is no replacement
- chucke (Tiago Cardoso) wrote in #note-5:
> I wonder why `uri` can't do the same. [punycode IDN domains are a standar... -
12:29 AM Misc #17309: URI.escape being deprecated, yet there is no replacement
- I may not be in position of the full details of the decision, and what is exactly the full of the deprecated URI.esca...
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11/10/2020
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- I think this is a reasonable request that could be helpful. I've been tempted a few times to write this.
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- **Description**
Many of us (me included) declare class attributes, even if they are private, on the top of class d... -
- I'll reopen this, as you are asking for a mutating version of `to_h`.
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- You'll be happy to hear that this is exactly what `to_h` does already.
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07:41 PM Feature #17315 (Open): Hash #transform
- Add new methods to `transform` or `transform!` both the keys and the values of a hash.
#7793
```ruby
h = {'name... -
- Option 1 seems easy.
I don't have enough experience to know if `Ractor#close_outgoing` could be useful or not. I a... -
- Thank you.
Flow:
1. close outgoing port
2. exit the block and try to yield the result
3. outgoing port is closed
4... - 06:24 PM Revision 6ddde162 (git): * 2020-11-11 [ci skip]
- 06:24 PM Revision 4465099a (git): Fix some typos in NEWS.md.
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02:06 PM Feature #17016: Enumerable#accumulate
- parker (Parker Finch) wrote in #note-34:
> I still slightly lean toward the `#accumulate` option.
What about `#cu... -
12:46 PM Bug #14157: You may have encountered a bug in the Ruby interpreter or extension libraries.
- Hi Sir,
Here is the issue i found please let how will i resolve, I cant found anywhere -
- https://github.com/ruby/racc/commit/2cb3055a73
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- https://github.com/ruby/racc/commit/cf37713895
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- https://github.com/ruby/racc/commit/7c881cd548
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- I agree only a few people using statically linked ruby with extensions.
So another option is ignore unsupported plat... -
- > Are there some platforms where dlsym() or equivalent is not available?
I didn't think it is a problem.
But it s... - 05:45 AM Revision 9728cb73 (git): Use fiddle (win32/importer) instead of Win32API
- - ext/win32/lib/win32/sspi.rb: Use fiddle (win32/importer) instead of Win32API
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03:02 AM Bug #16809: Fiber crashes with --with-coroutine=copy
- I think we found the root cause of this, and it should be addressed by:
https://github.com/ruby/ruby/pull/3624/commi... -
- I merged this at https://github.com/ruby/ruby/commit/b958e2add835d62c0a62edaf9a23ecbbd70a3635
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02:14 AM Revision b958e2ad (git): Removed canonicalization for mathn
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02:04 AM Revision 8b3653b4 (git): Fix links
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- iv_index_tbl_newsize() usually returns iv_index_tbl->num_entries
because ivup->iv_extended is usually false.
11/09/2020
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- Racc calls `Array#sort!` to build a state transition table. As
`Array#sort!` is not a stable sort, the output may dif... -
10:05 PM Revision d7581370 (git): Add a benchmark for polymorphic ivar setting
- This benchmark demonstrates the performance of setting an instance
variable when the type of object is constantly cha... -
- This commit adds a debug counter for the case where the inline cache
*missed* but the ivar index table has an entry f... -
- If the ivar index table exists, we can avoid the slowest path for
setting ivars. -
09:08 PM Revision 6778ba48 (git): Fix excessive GC rooting
- rb_vm_add_root_module() is enough to make sure the object become a GC
root. -
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05:58 PM Bug #17313 (Closed): Backport 9fb60672d55162a92ab7e97b000a7e277458aab1 to Ruby 2.7
- This is necessary to fix a bug when fiber and thread are GCed concurrently, and it's causing crashes in fiber tests o...
- 05:44 PM Revision cbe869b3 (git): * 2020-11-10 [ci skip]
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- 05:44 PM Revision 2324584d (git): Update vm_insnhelper.c
- Co-authored-by: Takashi Kokubun <[email protected]>
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- iv tables cannot shrink. If the inline cache was ever set, then there
must be an entry for the instance variable in ... -
- When the inline cache is written, the iv table will contain an entry for
the instance variable. If we get an inline ... -
- * [Feature #17312] New methods in Enumerable and Enumerator::Lazy: flatten, product, compact (zverok)
* If there w... -
- (The offspring of #16987, which was too vague/philosophical)
I propose to add to `Enumerable` and `Enumerator::Laz... -
07:16 AM Revision d14397bc (git): `fe80` should be case insensitive too
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- "But my browser can take UTF-8 URLs!", you might wonder. The reality is they no longer honour what RFCs say. Modern...
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- Re: the reason why `URI.escape` is deprecated and also why there is no transition path:
URI, in general, is a "str...
11/08/2020
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- Thanks for the quick fix.
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- https://github.com/ruby/ruby/pull/3743
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- Okay, I found an unrelated bug, and also the root cause. PR incoming.
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- It looks like memory corruption.
```
th_mutex = 0x55613ba19018
-> th_mutex = 0x8
```
Some how the mutex link... - 03:50 PM Revision 66107cb1 (git): * 2020-11-09 [ci skip]
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- * Now that it works correctly.
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- matz (Yukihiro Matsumoto) wrote in #note-68:
> I meant `Fiber.use_scheduler(sch)` rather than `Fiber#use_scheduler(s... -
06:05 AM Feature #16786: Light-weight scheduler for improved concurrency.
- I am sorry. I meant `Fiber.use_scheduler(sch)` rather than `Fiber#use_scheduler(sch)`. It was just a typo.
Matz.
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07:42 AM Revision 54ac1d77 (git): Support s390 IPv6 link local addresses
- 07:40 AM Revision bed48486 (git): Urgent notification pipe has same lifetime as scheduler.
- 07:40 AM Revision 57b83dad (git): Defer `kernel_sleep` to `block` to avoid exiting the event loop when duration is nil.
- 07:40 AM Revision c39984ec (git): Tidy up book keeping for `thread->keeping_mutexes`.
- When a scheduler is present, it's entirely possible for
`th->keeping_mutexes` to be updated while enumerating the wai... - 07:40 AM Revision f7313523 (git): Don't try to resume blocked fiber on dead thread.
- 07:40 AM Revision afe3cb78 (git): `Fiber.new(blocking: false)` is now the default.
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- Improve performance `Array#deconstruct` & `Array#to_ary` with Ruby code.
like this.
```ruby
class Array
def... -
- It also takes all the available CPU.
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- While backporting Ractors, I found this issue:
```ruby
10.times { Ractor.new { sleep(0.1) } }
sleep(1)
puts Rac... -
- I'd say let's start with a simple version and see what use-cases come up.
Seems already possible to mix and match ...
11/07/2020
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- @eregon thanks for this report, I will investigate it.
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- Applied in changeset commit:git|2f12af42f7f26d570219b87a89294532a86a8ae2.
----------
Add support for IPv6 link local... -
- Now that it should work correctly, test that every address returned
by Socket.ip_address_list is resolvable.
Socket ... -
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- Applied in changeset commit:git|9682db065158da5fa4ec8a3bc267da45b429b92c.
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Remove sender/message_id pair a... - 09:12 PM Revision fcde1e0e (git): * 2020-11-08 [ci skip]
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- Once a response for a given DNS request has been received (which
requires a matching message id), the [sender, messag... -
- I added this issue to the next dev meeting (#17299).
BTW, matz mentioned `Fiber#use_scheduler(sch)` (instance method... -
- In the PR above, `Fiber.set_scheduler(value)` is used.
`Fiber.set_scheduler(value)` feels weird and inconsistent for... -
- Here is the PR for the changes as discussed: https://github.com/ruby/ruby/pull/3742
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- After discussion with @ioquatix, we have decided the method to specify the fiber scheduler should be `Fiber#use_sched...
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- * [Feature #16786] Light-weight scheduler for improved concurrency (eregon)
* @matz: The `Fiber.set_scheduler(value... -
- Hi Jeremy, thx for the context on the inconsistencies, that's pretty useful info.
> Can you explain why "http%3A%2... -
- Maybe @naruse can describe the reason it was deprecated over 11 years ago in commit:238b979f1789f95262a267d8df6239806...
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- I'm on ruby 2.7.2 . The moment I do
```ruby
uri = "http://bücher.ch"
URI.escape uri
(irb):5: warning: URI.escap... -
- nobu (Nobuyoshi Nakada) wrote in #note-6:
> Not all members need to be initialized, otherwise “zero”ed.
Right, I ... -
- Eregon (Benoit Daloze) wrote in #note-5:
> However, this struct design means all implementations will have to define... -
01:12 PM Revision 5823f6c2 (git): Fix indentation
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- 10:39 AM Revision 5b3572b5 (git): Update dependencies
- 10:39 AM Revision a08ee833 (git): Rename to `Fiber#set_scheduler`.
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- @ko1 we discussed this briefly. I disagree with introducing `Thread.ignore_deadlock`.
It should be responsibility ...
11/06/2020
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- 05:55 PM Revision 656d4cdd (git): * 2020-11-07 [ci skip]
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04:46 PM Feature #17291: Optimize __send__ call
- The new benchmark result is below:
```
# Iteration per second (i/s)
| |compare-ruby|built-... -
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- shyouhei (Shyouhei Urabe) wrote in #note-4:
> It seems this leaks memory?
>
> ```ruby
> `nproc --all`.to_i.times... -
- @ko1 discussed with @matz and they concluded with this interface:
```c
Init_foo()
{
RB_EXT_CONFIG({
.racto... -
10:19 AM Bug #17308 (Closed): RubyVM::InstructionSequence.compile_file doesn't use the same default encoding than Kernel.load
```ruby
def test_compile_file_encoding
Tempfile.create(%w"test_iseq .rb") do |f|
f.puts '{ "Þ" => "T...-
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- T_DATA objects can refer unshareable objects and they should be
copied recursively, however there is no way to replac... -
11/05/2020
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- Combine everything in to one C function
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- 03:12 PM Revision 193edbde (git): * 2020-11-06 [ci skip]
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03:11 PM Revision 8014ed9b (git): Update RBS & TypeProf (#3732)
- * Bundle rbs 0.16.0
* Bundle typeprof 0.4.1 -
- An advantage of the symbol approach is it's automatically backward compatible.
Otherwise, we need to design a way to... -
- From discussing with @ko1,
another way to mark would be to call a function in `Init_foo`, like:
```c
static VALUE foo... -
- Above I suggested to mark a whole C extension as thread-safe/ractor-safe/unsafe, but we could potentially also mark o...
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- I would like to design a way to mark C extensions as thread-safe, Ractor-safe, or unsafe (= needs process-global lock...
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- There is probably more failures. Disabling the $SUBJECT test case, another failing test is `TestGCCompact#test_compac...
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- Please note that previously, I was using 02e17d473a and that worked without issues.
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- Trying to build recent master, I randomly observe following issue:
~~~
[ 8682/20873] TestGCCompact#test_ast_compa... -
11:54 AM Revision 3407b7d8 (git): Revert "Prefer #send over #__send__ when it is clear there is no possible conflict"
- This reverts commit 4dba0c1a8e3cc08664872e637099c4e7d58d24d3.
Matz's comment is "send is not deprecated. __send__ is... -
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- * [Feature #17307] A way to mark C extensions as thread-safe, Ractor-safe, or unsafe (eregon)
* I'd like feedback o... -
- * [Feature #17100] Ractor naming (eregon)
* What should be the method name to send a message? `send` seems problem... -
- bozhidar (Bozhidar Batsov) wrote in #note-4:
> I like the proposal. I also wonder if we shouldn't be able to able to... -
09:41 AM Feature #17208: Add `Set#compact` and `Set#compact!` methods
- I like the proposal. I also wonder if we shouldn't be able to able to reject nils at Set creation time, as nil rarely...
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- * Reverts part of 3198e7abd70bd2af977f2bb6c967e9df8f91adb0.
* If the rule is #send should be deprecated, that should ... -
07:57 AM Bug #17289: Time#strftime occurs Segmentation Fault on ruby-2.7.2p137
- FYI:
I downgraded ruby to v2.7.1.
But in our environment, this error occurred with the same stacktrace.
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- recreate PR for merge `.rb` files
https://github.com/ruby/ruby/pull/3737
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