Rubyconf 2014 Ruby Performance Secrets LAI UYQwh4s

Web Reference: By, Alexander DymoDid you know that inject and especially all? iterator nested in another loop can really slow you down? Or that bigdecimal and string comp... Or that bigdecimal and string comparison is unbelievably slow in Ruby 2.0? Or that parsed CSV is 13x larger in memory than on disk? Want to know these and other performance hints with in-depth explanations? Want to learn how to use profilers to find what's slow by yourself? Then this session is for you. RubyConf 2014 Alexander Dymo @adymo The key lessons are to use profilers to understand performance bottlenecks, challenge assumptions, and look at Ruby source code and use a debugger when needed to fully understand behavior.

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