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第8讲、Multi-Head Attention 的核心机制与实现细节 何双新
# 伪代码实现 def multi_head_attention(X, h=8): # 线性变换获得 Q, K, V Q = X @ W_q # [batch_size, seq_len, d_model] K = X @ W_k V = X @ W_v # 分割成多头 Q_heads = split_heads(Q, h) # [batch_size, h, seq_len, d_k] K_heads = split_heads(K, h) V_heads = split_heads(V, h) # 每个头独立计算 attention attn_outputs = for i in range(h): attn_o...
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