Learn C++ With Performance Matters by Emery Berger (CPPCon 2020) Video

Performance is one of the key reasons why so many C++ programmers enjoy the language. This video will be addressing some of the significant and unexpected challenges faced by C++ programmers trying to achieve high performance on modern hardware platforms: performance is much less reliable and predictable than you would expect. Since complier optimization run out of steam, we need better support for profiling, particularly for modern concurrent, multi-threaded applications. The talk will also be about going through a new approach to profiling, called “causal profiling”. It allows programmers to optimize output latency and to pinpoint and reliably predict the effect of optimizations.

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