Skip to content
aiqbench takeChips & Infra

aiqbench analysis

Lightmatter's integration into the Open CPX Multi-Source Agreement and its launch of the Passage L20 CPX represent a significant shift toward bidirectional optical engines that halve cabling requirements in AI scale-up networks. This development directly addresses critical infrastructure bottlenecks by optimizing fiber density for high-bandwidth AI training clusters, moving beyond standard connectivity standards into specialized hardware acceleration.
Source coveringHPCwire
What this isA model's reading of the article and related coverage, written for aiqbench. Not the publisher's words.

Lightmatter Joins Open CPX MSA, Introduces Bidirectional CPX Optical Engine

HPCwire1 min read

By combining transmit and receive on a single fiber, Passage L20 CPX halves the optical cabling in AI scale-up networks MOUNTAIN VIEW, Calif., Sept. 17, 2026 — Lightmatter today announced that it has joined the Open CPX Multi-Source Agreement (MSA) and introduced the Passage L20 CPX, the industry’s first Open CPX module for AI infrastructure […] The post Lightmatter Joins Open CPX MSA, Introduces Bidirectional CPX Optical Engine appeared first on HPCwire.

Read the full article at HPCwire

Related coverage