Rdio Software Engineer Alex Gaynor (@alex_gaynor) took to the #Waza 2013 stage (Heroku's Developer Conference) to talk about "Why Python, Ruby and Javascript are Slow". Gaynor argues that developers should aim to make performance beautiful. For more from Gaynor or to contact him, ping him at @Alex_Gaynor.
For more on Waza visit http://waza.heroku.com/2013.
For Waza videos stay tuned at http://blog.heroku.com or visit http://vimeo.com/herokuwaza
36. Recap
• Line for line these languages are fast!
• Take care in data structures (data structure
heuristics are the WORST)
• We need better no-copy/preallocate APIs
39. If there’s time
• Java collections vs. Array and Hash. Need
more choices.
• Stop writing C extensions, use something
like cffi
• Teach good benchmarking practices