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colabfold-kernels

Fast fused kernels for ColabFold, written in Pallas with native CUDA-fallback for Volta- and Turing-generation GPUs.

import jax.numpy as jnp
from colabfold_kernels import attention, dispatch

kernel = attention(dispatch(), jnp.bfloat16, key_dim=96, value_dim=96, layout="seq")
if kernel is not None:
    out = kernel(q, k, v, mask_bias, nonbatched_bias, scale)

attention, layer_norm and gated_dual_proj each return None if not supported.

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