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AMD makes its next step in GPU dominance with Vega

By: Anthony Garreffa | AMD Radeon GPU in Video Cards | Posted: Jan 5, 2017 11:49 pm

AMD has included a new programmable geometry pipeline with the Vega GPU architecture, which has over 2x peak throughput per clock.

 

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We all remember Vertex and Geometry shaders, but now we have a Primitive shader - which, isn't - well, primitive at all.

 

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The new Geometry engine is super efficient, as it works with an 'intelligent workgroup distributor' that spreads the load across the GPU much more efficiently.

 

 

I did say that there is a lot of changes with Vega, and the next-generation compute engine is another big part of the new GPU architecture from AMD.

 

 

Introducing the Vega NCU

 

Vega GPU, you mean - Anthony? Nope, the Vega NCU - AMD's next-generation compute unit.

 

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We have 512 8-bit operations per clock, 256 16-bit operations per clock, and 128 32-bit operations per clock. AMD also adds that double precision rate is configurable, for compute-intensive applications and systems.

 

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The massive workloads that some users will have will benefit from the 'rapid packed math' that the Vega NCU is capable of.

 

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Better yet, the Vega NCU is optimized for higher clock speeds and higher IPC - music to my ears.

 

AMD has also added that they've been "working on reducing memory bandwidth consumption for many years".

 

 

Next-Generation Pixel Engine

 

AMD has also baked in a new pixel engine into the Vega NCU, which is helped by the draw stream binning rasterizer.

 

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The new draw stream binning rasterizer is "designed to improve performance and save power" by only fetching once, thanks to the new on-chip bin cache.

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