xAI
Training-infrastructure questions, GPU utilisation reasoning, and low-level optimisation.
- Active questions
- 3
- Rounds covered
- 2
- Last reviewed
- Aug 27, 2026
Reported questions
The full collection. Each entry shows how many independent reports it has and when it was last seen in a live loop.
- ML designHard
GPU utilisation is stuck at 45%
A training job holds 45% utilisation on an otherwise idle node
2 reportsAug 16, 2026 - ML designHard
Cut p99 serving latency in half
An inference service meets its p50 target but misses p99 by 3x
4 reportsAug 27, 2026 - CodingMedium
Longest window with at most k distinct values
Given an array and an integer k, return the length of the longest contiguous window containing at most k di…
4 reportsAug 19, 2026
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