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1.15× velocity scaling reportedly lowers FID from 28.0 to 8.7 in a flow-matching test
A researcher says the unguided SiT-XL/2 result on ImageNet-256 used the same model and 25 steps, without retraining.
TLDR
In a post about “Velocity Scaling in Flow Matching,” a researcher says multiplying velocity by 1.15× reduced FID from 28.0 to 8.7 for unguided SiT-XL/2 on ImageNet-256. The comparison used the same model and 25 steps, with no retraining.
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