19How do you measure effective training time, and where does the missing ten percent of a well-run cluster actually go?▼mediumNewMetaAnthropic4 replies○ sign inThe number is easy to state and hard to make honest, because every minute has to be classified and the classification is where the value is. The definition that survives scrutiny, the five categories the missing time falls into, and the property that turns a metric into a work list.Open full answer →
04Design a GPU credit system: accounts, spending rates, priorities and fairness. Start with the data model.▼medium★ EssentialNewOpenAI4 repliesunlockedA GPU credit system is an accounting ledger with a scheduler attached: who may spend, how fast, what happens when the account is empty and what happens when everyone spends at once. The data model, the debit path, the fairness rule and the arithmetic that keeps 4,096 GPUs busy without starving a team.Open full answer →
