Changes between Version 1 and Version 2 of Notes

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Timestamp:
11/25/08 01:48:55 (6 years ago)
Author:
thoughtpolice (IP: 129.7.254.33)
Comment:

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  • Notes

    v1 v2  
    33= Development notes = 
    44 
    5 == Simplifier O(n^2) == 
     5== Simplifier O(n^2^) == 
    66 
    77Deriving Show for System.Local.!TimeLocal fails with a stack overflow. 
     
    99We hit a performance bug when deriving Show. With one field it takes three seconds, with two it takes seven seconds, and with three it blows the stack after more than a minute. 
    1010 
    11 It appears that function composition requires O(n^2) compilation time. 
     11It appears that function composition requires O(n^2^) compilation time. 
    1212 
    1313JHC was too eager at renaming idents after inlining. It also never dropped unused ids. This resulting in the book-keeping of several tens of thousands of ids.