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While investigating regex performance, I've noticed that line anchors are much slower than global anchors, even when a string consists of a single line. Most regexps that I've encountered that use anc…
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From https://github.com/prawnpdf/prawn/pull/1246#issuecomment-1040197295:
From the [flamegraph](http://eregon.me/flamegraphs/prawn-flamegraph_20220214-102939.svg) it seems most of time (31.2% using…
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MRI (CRuby) has a library to call out to Python called [pycall.rb](https://github.com/mrkn/pycall.rb).
It would be interesting to make this work in GraalVM with TruffleRuby + GraalPython, where we …
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**Describe GraalVM and your environment :**
- GraalVM version or commit id if built from source: **22.1.0**
- CE or EE: **CE**
- JDK version: **17**
- OS and OS Version: **macOS 12.3.1**
- A…
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I'm keen to fix the last few super issues for an experiment at Shopify
We're got one failing spec:
https://github.com/oracle/truffleruby/blob/2b84599c36257229c66daa07b91736f91ea3d498/spec/tags/l…
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See https://github.com/jeremyevans/sequel/pull/1737#issuecomment-738999495
Related: https://github.com/oracle/truffleruby/issues/2227
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(discovered this while pairing with @chrisseaton on https://github.com/oracle/truffleruby/pull/2308)
```ruby
puts RUBY_DESCRIPTION
source = format('%s', 'foobar'.encode('utf-16le'))
puts source.…
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In running some tests with Threads, I managed to trigger this.
Full Stacktrace
```
(null): markdown.c:2897: void sd_markdown_render(struct buf *, const uint8_t *, size_t, struct sd_markdown…
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It was previously mentioned here https://github.com/abertschi/graalphp/issues/57#issuecomment-699504478
on how to use or implement PHP functions in Graal,
```
Integration of PHP's native libraries…
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I ran into this issue
https://travis-ci.org/socketry/async-http/jobs/267440658#L617-L618
looked at https://github.com/jruby/jruby/wiki/ServerSocket
I thought JRuby uses native UNIX functions …