ARM’s Bifrost steps up graphics, bridges to machine learning

The architecture includes maths capabilities that could be used by other software as part of a heterogeneous system architecture. That could include neural network software but ARM executives stressed that Bifrost is first and foremost an architecture for raster, tile-based graphics processing units (GPUs). The previous architecture – Midgard – is the one that underlies ARM’s T-series Mali GPUs and has up to 16 unified shader cores and SIMD [single-instruction multiple data] instruction set architecture. Bifrost supports up to 32 unified shader cores with a scalar ISA, full hardware cache coherency and something called clause execution. Top level architecture of Bifrost showing up to 32 universal shader cores, Source ARM. Inside the shader core showing quad-thread fragment management and execution engines. Source: ARM. The primary goal, according to Sean Ellis,…


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