Walking Around the Compiler
Posted3 months agoActive3 months ago
bernsteinbear.comTechstory
calmmixed
Debate
60/100
Compiler OptimizationProgramming LanguagesPypy
Key topics
Compiler Optimization
Programming Languages
Pypy
The article discusses how the PyPy team encountered an issue with the compiler optimizer and how they worked around it, sparking a discussion on the fix and its potential implications.
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Discussion Activity
Moderate engagementFirst comment
2d
Peak period
9
60-66h
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Comment distribution11 data points
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Key moments
- 01Story posted
Sep 23, 2025 at 7:08 PM EDT
3 months ago
Step 01 - 02First comment
Sep 26, 2025 at 6:13 AM EDT
2d after posting
Step 02 - 03Peak activity
9 comments in 60-66h
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Sep 26, 2025 at 10:59 AM EDT
3 months ago
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ID: 45353986Type: storyLast synced: 11/20/2025, 3:38:03 PM
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how?
The actual bug-fix linked to in the footnote does it in a slightly different way: it says "as I'm walking through optimizing my tree of expressions, if I see 'abs(abs(X))' then simplify the tree to just 'abs(X)'".
Which language? Where? I just googled for float_abs and got nothing.
EDIT: Ah, other comment mentions article was edited.