Communications of the ACM
Refine your search:
ChatGPT Privacy Flaw
OpenAI has disabled ChatGPT’s privacy history, almost certainly because they had a security flaw where users were seeing each…
From Daniel Lemire's Blog
Counting cycles and instructions on ARM-based Apple systems
In my blog post Counting cycles and instructions on the Apple M1 processor, I showed how we could have access to “performance counters” to count how many cycles...
From Daniel Lemire's Blog
Runtime asserts are not free
When writing software in C and C++, it is common to add C asserts to check that some conditions are satisfied at runtime. Often, it is a simple comparison between...
From Daniel Lemire's Blog
Science and Technology links (March 11 2023)
In 1500, China was the largest economy in the world, followed by India and France. The USA did not exist yet. In 1700, 4% of human beings lived in France. In the...
From Daniel Lemire's Blog
Trimming spaces from strings faster with SVE on an Amazon Graviton 3 processor
Programmers sometimes need to trim, or remove, characters, such as spaces from strings. It might be a surprising expensive task. In C, the following function is...
From Daniel Lemire's Blog
Float-parsing benchmark: Regular Visual Studio, ClangCL and Linux GCC
Windows users have choices when it comes to C++ programming. You may choose to stick with the regular Visual Studio. If you prefer, Microsoft makes available ClangCL...
From Daniel Lemire's Blog