Multihead arch with cutlass fused multihead attention #1976
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- skip connection add before layer norm now has a scaling factor (alpha) - replace conv layer of value and mlh heads with an embedding layer when attention body is used.
- also remove hardcoding.
- will be removed once it's fixed.
- also fix scratch space calculation.
- factor of sizeof(DataType) was missing.
get almaudoh's code
- to handle bigger/wider networks
1.3% improvement in BT2 on RTX 4090 15.6% improvement in test BT3 network with 64 heads.
almaudoh
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almaudoh
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cutlass implementation of fused multihead attention layer giving about 10% speedup on A100.
@todo