To Make Code Fast, All You Need Is… ☠️
summary
Talk examines optimizing Go programs by helping the compiler and using classic low-level tricks; it covers compiler-assisted optimizations, Golang runtime nuances to consider during development, and practical techniques to avoid premature or ineffective optimizations.
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chapters (18)
- 0:00Welcome
- 1:11Why optimize code
- 2:55Compiler flags
- 6:04String optimizations
- 8:59Pointer speedups
- 10:00Memory locality
- 11:30Object pools
- 16:04Go map types
- 18:52Boolean field packing
- 20:39Calendar array shift
- 21:42Loop unrolling
- 27:01Function call overhead
- 33:37Struct alignment
- 37:09Quick listener poll
- 38:13Protobuf benefits
- 45:37Real optimization examples
- 49:31I/O optimization
- 52:57Q&A
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