Profiling large Rust applications online is difficult. Current profilers are not up to the job.
When we need to analyze a Rust program's performance, we often think about perf. To use perf, we need to:
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In Java 8, the streams API is easy to iterate over collections, and it's easy to parallelize a stream by calling the parallelStream()
method. But should we be using parallelStream()
wherever we can? What are the considerations?
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Look at the following ParallelStreamTester
class to generate collections of different sizes for the purpose of testing parallel streams performance against a sequential stream.