Coffee Compiler Club 2020_09_18

Coffee Compiler Club meeting on Sept 18 2020. Typical rambling conversation loosely related to compilers language runtimes GC performance and optimization. Chat: The programming model of XTC looks single-threaded while being pardist via actors immutable or mutable-private data futures completion queuing back-pressure h2o-vs-coherence cluster sizes GC on service-heaps vs immutable-heaps GPGC collector vs other collectors high-speed msg handoff in the actor model costs of an append-only service NBHM vs ConcurrentHashMap what makes code readable largest method Ive written size of aa parser size of C2 methods IDE support refactoring bug rates programmer productivity ranges status of aa Java equals-vs- vs XTC equals Its different! Might be better too. XTC equals is actually type-enforced for commutative takes 2 args of same type not a this on the left and Object on the right and we take a hard look at some XTC code. Cost models for containers baked-in big-O API cost calls auto-selecting container implementation memory savings by bad collection choices.,

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