Graphcore

Pick the right billing model for a search feature that bursts to 2,000 QPS one hour per day.

Chunk overlap: what it protects against and what too much of it costs

Why run a toxicity classifier on output even when the model was RLHF tuned to refuse harmful content

Identify two attack vectors specific to multimodal models

Walk through an online sampled eval setup for safety in production

Faithfulness scores are high, yet users keep calling the answers unhelpful: what is the eval missing?

DPO or GRPO first for a reasoning post-training project: when does DPO win?

Which parallelism choice fits tight memory with fast interconnect?

Identify the attributes that should ride on a tool call span

Explain rejection sampling (best of N) as a pre-RLHF alignment technique