Manuel Le Gallo

Staff Research Scientist, IBM


Manuel Le Gallo joined IBM Research Europe in 2013, where he is currently employed as a Staff Research Scientist in the In-Memory Computing group of the Zurich laboratory. His main research interest is in using phase-change memory devices for non-von Neumann computing. He has co-authored more than 50 scientific papers in journal and conferences and holds more than 20 granted patents. He was appointed IBM Master Inventor in 2019 for significant contributions to intellectual property and is a recipient of the MIT Technology Review's 2020 Innovators Under 35 award.


The computing systems that run today’s AI algorithms are based on the von Neumann architecture which is inefficient at the task of shuttling huge amounts of data back and forth at high speeds. Thus, to build efficient cognitive computers, we need to transition to novel architectures where memory and processing are better collocated. In-memory computing is one such approach where the physical attributes and state dynamics of memory devices are exploited to perform certain computational tasks in place with very high areal and energy efficiency.
In this talk, I will present our latest efforts in employing such a computational memory architecture for performing inference of deep neural networks. First, the phase-change memory technology we use as computational memory will be described. Next, the application of computational memory to neural network inference will be explained, and experimental results will be presented based on a state-of-the-art fully-integrated 64-core computational phase-change memory chip. Finally, I will present our open-source toolkit (https://analog-ai.mybluemix.net/) to simulate inference and training of neural networks with computational memory.

03:20 p.m. - 03:45 p.m.

Thursday Memory for Edge Computing PM

Staff Research Scientist, IBM

Deep neural network inference with a 64-core in-memory compute chip based on phase-change memory... more info