Communications of the ACM
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How the “Frontier” Became the Slogan of Uncontrolled AI
Artificial intelligence (AI) has been billed as the next frontier of humanity: the newly available expanse whose exploration …
From Daniel Lemire's Blog
Mixing ARM NEON with SVE code for fun and profit
Most mobile devices use 64-bit ARM processors. A growing number of servers (Amazon, Microsoft) also use 64-bit ARM processors. These processors have special instructions...
From Daniel Lemire's Blog
Unsigned comparisons using signed types
There are two main types of fixed-precision integers in modern software: unsigned and signed. In C++20 and above, the signed integers must use the two’s complement...
From Daniel Lemire's Blog
Speeding up C++ code with template lambdas
Let us consider a simple C++ function which divides all values in a range of integers: void divide(std::span<int> i, int d) { for (auto& value : i) { value /= d...
From Daniel Lemire's Blog
An overview of parallel programming (Go edition)
In practice, the software we write runs on several processors. Unfortunately, much of what we take for granted on a single processor becomes false when there are...
From Daniel Lemire's Blog