Isambard-AI

Doubleword, one of six companies in the first wave of UK Sovereign AI investments, achieved up to 3× the throughput of vLLM for DeepSeek-V4-Flash on a single node of Isambard-AI, the UK's national AI …

Researchers at Doubleword developed UCCL-EP, an expert parallel communications kernel that enables GPU-initiated communication patterns like DeepEP to work across arbitrary NIC-accelerator pairs, incl…