(vmatmul2x8+) ( a b accumulator -- result )

Vocabulary

math.vectors.simd.extensions

Inputs

a	an object
b	an object
accumulator	an object

Outputs

result

an object

Definition

USING: system ;

IN: math.vectors.simd.extensions

HOOK: (vmatmul2x8+) cpu ( a b accumulator -- result )

Methods

USING: kernel math math.vectors.simd.extensions sequences ;

M:: object (vmatmul2x8+) ( a b accumulator -- result )
    4 <iota> [| lane |
        lane accumulator nth 8 <iota> swap [| value j |
            lane 2 /i 8 * j + a nth lane 2 mod 8 * j + b nth *
            value +
        ] reduce
    ] accumulator map-as ;