IIRC from my undergrad research (8 years ago) theres still an issue of I/O interconnects bounding the usefulness of optical computers. & I believe memory and GP

IIRC from my undergrad research (8 years ago) theres still an issue of I/O interconnects bounding the usefulness of optical computers. & I believe memory and GPU ram is also the current primary bottleneck for current training, ie not compute. Still cool for the next wave of data center or edge compute I suppose