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Huge props to the team for finding this out. What a nasty issue. One question about the intro, which states that this is the first mass produced AMP architectu
by sjmulder 10y ago
Huge props to the team for finding this out. What a nasty issue.
One question about the intro, which states that this is the first mass produced AMP architecture, but isn't the PlayStation 3's Cell CPU one?
- wmf 10y agoThe difference is that big.LITTLE ARMs use the same instruction set on all cores. In general I wouldn't expect a lot of terminological rigor from blog posts.
- masklinn 10y agoCell behaves more like a CPU + GPGPU system, big.LITTLE can schedule an instruction stream on any core of the cluster (depending on the configuration setup), on Cell you'd primary use the general-purpose PPE from which you'd start (and chain) vector-based threads on SPEs. PPE and SPE don't even share an ISA, SPE have a custom-built SIMD-oriented ISA.