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Techniquesmodel architecturetoken mixersoftmax attentionglobal attention

implementation detail · filed under model architecture

Unified Keys and Values

A memory-optimization implementation detail in global-attention layers that unifies keys and values.

Also called unified KV for global attention layers.

sources
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How sources treat it

One count per evidence span, weakest treatment to strongest.

used 1core 1

Documented in

Evidence

2 spans quoted from the sources, strongest treatment first.

To optimize memory for long contexts, global layers feature unified Keys and Values, and apply Proportional RoPE (p-RoPE).

coremodel architecturein Gemma 4Google DeepMind

To optimize memory for long contexts, global layers feature unified Keys and Values, and apply Proportional RoPE (p-RoPE).

usedmodel architecturein Gemma 4Google DeepMind

Filed alongside

Other methods under model architecture :: token mixer :: softmax attention :: global attention.