Memristor crossbar
Realizes: analog matrix-vector multiplication
Crossbar arrays of memristors (memory resistors) perform matrix-vector operations in analog. Voltages applied to rows, currents collected from columns. Resistance values encode matrix elements. Enables in-memory computing for neural network inference. Speed: nanoseconds (electrical propagation). Capacity: large matrix operations (scales with crossbar size).
Examples
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FeFET Compute-in-Memory Annealer
Integrated FeFET chip on 28nm HKMG CMOS implementing multi-epoch simulated annealing, achieving ~27% better solutions and ~2× speedup over conventional SA
MINIMIZE
MULTIPLY
ADD
seconds
medium
pJ
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Memristive Matrix-Vector Multiplier
Standard memristor crossbar array performing analog matrix-vector multiplication for neural network inference and in-memory computing applications
MULTIPLY
ADD
seconds
large
fJ