It’s been a while since I’ve last rewritten my favorite lexical analyzer 🙂 That post is the last in a series implementing a lexer for the TableGen language in a variety of programming languages, using multiple techniques. The last lexer … Read more
Earlier this year I signed a consulting agreement with Open5G. Based in Atherton, California, the company builds and manages fiber-optic networks. At present, they have a handful of networks in the Bay Area but have plans to expand across the … Read more
Python is a slow language, so computation is best delegated to code written in something faster. You can do this with existing libraries like NumPy and SciPy, but what happens when you need to implement a new algorithm, and you … Read more
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Faster IndexOf for substrings by EgorBo · Pull Request #63285 · dotnet/runtime · GitHub _data.IndexOf(“walking”, StringComparison.Ordinal); // or _data.AsSpan().IndexOf() } Results: | Toolchain | Mean | Error | StdDev | Ratio | |———————- |———:|———:|———:|——:| | Baselinecorerun.exe | 32.94 ns | … Read more
jott – wasm_vector_addition # 15x Faster TypedArrays: Vector Addition in WebAssembly @ 154GB/s *by [@bwasti](https://twitter.com/bwasti)* **** Vector addition is the process of adding vector components: $$ overrightarrow{A} + overrightarrow{B} = (a_0 + b_0, a_1 + b_1, dots) $$ Over my … Read more
‘Re: Why Git is so fast (was: Re: Eric Sink’s blog – notes on git,’ – MARC [prev in list] [next in list] [prev in thread] [next in thread] List: git Subject: Re: Why Git is so fast (was: Re: … Read more
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Introduction When trying to speed up a dev tool, like the swift compiler or the linker, developers may try a few things. For example, they may look through the man page for flags to speed them up (like -j8 to … Read more
Java 17 (released yesterday) comes with many new features and enhancements. However, most of those require code changes to benefit from. Expect for performance. Simply switch your JDK installation and you get a free performance boost. But how much? Is … Read more