The programmable chip company scores $55 million in venture backing, bringing its total haul to $82 million.
Flex's "NMAX" technology is based on what's known as an "eFPGA," a kind of programmable chip consisting of tons of identical compute elements, called multiplier-accumulators, that perform the matrix multiplications that are the fundamental task in neural networks. The multiplier-accumulators make up a "systolic array," a kind of logic mesh, surrounded by lots of SRAM memory.
The chip is aimed at the "edge," meaning, devices outside the data center, such as self-driving cars or IoT gadgets.