Updates to JAX flash attention kernel.#4578
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- Sink jnp.dynamic-slice instructions fetching blocks of q, k and v into the inner loop. - Forced final @v layout for better utilization - Forcing fusions with must_fuse_call - Removed calculations related to mask blocking when the mask is causal FUTURE_COPYBARA_INTEGRATE_REVIEW=#4504 from AI-Hypercomputer:fix/nnx_layers 90f5201 PiperOrigin-RevId: 952800018
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Updates to JAX flash attention kernel.
FUTURE_COPYBARA_INTEGRATE_REVIEW=#4504 from AI-Hypercomputer:fix/nnx_layers 90f5201