Abstract: A computing circuit is provided. The computing circuit is disposed in a memory device and electrically coupled to a memory cell of the memory device. The computing circuit includes a weight decoder, a multiplier, an adder tree, and an accumulator. The weight decoder is configured to obtain a compressed weight from the memory cell and generate a decoded weight based on the compressed weight. The multiplier is configured to generate a partial-product by multiplying an input signal with the decoded weight. The adder tree is configured to generate a partial-sum by performing an addition operation based on the partial-product. The accumulator is configured to generate an accumulated sum by performing an accumulation operation based on the partial-sum and output an output signal based on the accumulated sum. The accumulated sum is left shifted based on a shift signal.

Abstract: A bubble generating system includes a centrifugal pump which has a front frame and a rear frame, wherein a plurality of inlets are defined in the front frame and communicates with a center passage of the centrifugal pump. A water tank is connected with the centrifugal pimp and supplies water into the centrifugal pump. An air supplier has a plurality of supply pipes connected with the inlets so as to introduce high pressurized air into the centrifugal pump. A tub has a first pipe connected to nozzles of the tub and a second pipe recycles the water in the tub back to the centrifugal pump.