Archive of posts tagged: Parallelism
The von Neumann Bottleneck Revisited
The term “von Neumann bottleneck” was coined by John Backus in his 1978 Turing Award lecture to refer to the bus connecting the CPU to the store in von Neumann architectures. In this lecture, he argued that the bus was a bottleneck because programs execute on the CPU...
SIMD Instructions Considered Harmful
In the process of writing a short introduction to RISC-V, we compared RISC-V vector code to SIMD. We were struck by the insidiousness of the SIMD instruction extensions of ARM, MIPS, and x86. We decided to share those insights in this blog, based on Chapter 8 of our...Subscribe
