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Epoch AI introduces an Inference Performance Index for AI chips

AIEpoch AI introduces the Inference Performance Index (IPI), a measure that accounts for memory bandwidth and inter-chip communication alongside compute. It says FLOP/s alone understates GB300's inference advantage over H100 by 10×. IPI scores are expressed in GB300 equivalents to compare chips directly and estimate a data center's total inference capacity.
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We estimate that FLOP/s alone understates GB300’s inference advantage over H100 by 10×. The standard AI chip comparison misses most of what matters for inference.

We’re introducing the Inference Performance Index (IPI), a new measure that accounts for memory bandwidth and inter-chip communication alongside compute. These factors determine how many users or agents a chip can support simultaneously at a given output speed.

Scores in GB300 equivalents let you compare chips directly and estimate the total inference capacity of a data center, or even the world.

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Original title: We estimate that FLOP/s alone understates GB300’s inference advantage over H100 by 10×. The standard AI chip comparison misses most of wh...