3aef6fc3a2
Port XAttention operators from COMPASS project: - flat_group_gemm_fuse_reshape: stride reshape GEMM kernel - softmax_fuse_block_sum: fused softmax with block-level summation - xattn_estimate: main estimation function for block sparse attention - find_blocks_chunked: cumulative threshold-based block selection Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
37 lines
784 B
Python
37 lines
784 B
Python
"""
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Operators module for nano-vLLM.
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This module contains low-level attention operators and kernels.
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"""
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from nanovllm.ops.chunked_attention import (
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flash_attn_with_lse,
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merge_attention_outputs,
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chunked_attention_varlen,
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ChunkedPrefillState,
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)
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from nanovllm.ops.xattn import (
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xattn_estimate,
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flat_group_gemm_fuse_reshape,
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softmax_fuse_block_sum,
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find_blocks_chunked,
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create_causal_mask,
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compute_sparsity,
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)
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__all__ = [
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# chunked_attention
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"flash_attn_with_lse",
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"merge_attention_outputs",
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"chunked_attention_varlen",
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"ChunkedPrefillState",
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# xattn
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"xattn_estimate",
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"flat_group_gemm_fuse_reshape",
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"softmax_fuse_block_sum",
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"find_blocks_chunked",
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"create_causal_mask",
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"compute_sparsity",
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]
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