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Tag: #performance

Golang’s realtime garbage collector at Not On The High Street Conference

Discussed Go’s real-time garbage collector at an internal conference, after presenting the same talk at The Realtime Guild. 2017-03-10

Quickly checking for a zero byte in C using bitwise operations

How to check if a 64-bit word contains a zero byte. A step-by-step example and a proof of correctness. 2017-01-24

How do I measure program execution time in C? How do I use the times function?

Use the times() system call in C to measure the CPU time used by a process, distinguishing between time charged to the process itself and time charged to the kernel on its behalf. 2016-12-26

Low latency, large working set, and GHC’s garbage collector: pick two of three

Large working sets and low latency are incompatible with GHC’s stop-the-world garbage collector, which optimizes for throughput instead of latency. The collector’s pause times scale linearly with working set size. 2016-05-12

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