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parallel processing

Explainer: Parallel computing

It delivers detailed weather forecasts for days in advance, and real-time manipulation of elaborate textured 3D models. But more mundane tasks may not get any quicker.

March 12, 2022 Macs, Technology

Code in ARM Assembly: Lanes and loads in NEON

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How ARM64 uses its special SIMD registers in lanes, and how they can be loaded with and without de-interleaving.

August 23, 2021 Macs, Technology

Accelerating the M1 Mac: an introduction to SIMD

More cores are great for running more processes, but how can you make individual operations within a process faster? SIMD is one solution.

August 6, 2021 Macs, Technology

How M1 Macs feel faster than Intel models: it’s about QoS

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By segregating macOS background tasks on Efficiency cores, M1 Macs can run user apps unfettered on their Performance cores. And that feels really fast.

May 17, 2021 Macs, Technology, Updates

Cores shouldn’t all be the same: M1 Macs do better

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How the M1’s asymmetric cores can run background tasks more efficiently, or deliver high performance, according to Quality of Service.

May 14, 2021 Macs, Technology, Updates

Why faster is seldom quicker

Designing algorithms which can benefit from multiple cores and GPUs is not only non-trivial, it remains desperately difficult for humans.

June 9, 2015 Macs, Technology
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