view(batch_size, seq_len, dim) # attention 操作之前,应用旋转位置编码 xq, xk = apply_rotary_emb(xq, xk, freqs_cis=freqs_cis) # scores.shape = (batch_size, seq_len, seqlen) scores = torch.matmul(xq, xk.transpose(1, 2)) / math.sqrt(dim) scores = F.softmax(scores.float(), ...
2398 rotary-pos-emb算子接口变更,暂时删除融合算子使用 开启的 闻江:master Ascend:master 闻江 创建于 2025-03-13 21:44 克隆/下载 HTTPS SSH 复制 下载Email Patch 下载Diff 文件 rotary-pos-emb算子接口变更,暂时删除融合算子使用 此Pull Request 需要通过一些审核项 类型 指派人员 状态 审查 王姜奔 ...
定义apply_rotary_pos_emb函数: 该函数接受两个参数:query_layer和rotary_pos_emb。 query_layer的形状通常为[seq_len, batch_size, num_heads, head_dim]。 rotary_pos_emb的形状通常为[seq_len, num_heads, head_dim // 2, 2],其中2代表复数的实部和虚部。 在函数内部实现旋转位置嵌入的逻辑: 首先...
defrotate_half(x):"""Rotates half the hidden dims of the input."""x1 = x[..., : x.shape[-1] //2] x2 = x[..., x.shape[-1] //2:]returntorch.cat((-x2, x1), dim=-1)defapply_rotary_pos_emb(q, k, cos, sin, position_ids, unsqueeze_dim=1): cos = cos[position_...
in parallel_attention_forward query_layer = apply_rotary_pos_emb(query_layer, q_pos_emb, self.config) File "/home/ma-user/work/Megatron-LM/megatron/core/models/common/embeddings/rotary_pos_embedding.py", line 247, in apply_rotary_pos_emb return apply_rotary_pos_emb_bshd(t, freqs, rotary...
[-1]cos_emb, sin_emb = self._compute_cos_sin_embedding(inputs, rotary_dim, start_index)return self._apply_rotary_pos_emb(inputs, cos_emb, sin_emb)def _apply_rotary_pos_emb(self, tensor, cos_emb, sin_emb):x1, x2 = tf.split(tensor, 2, axis=self.feature_axis)half_rot_tensor...
add apply_rotary_pos_emb_backward lines 235 to 237 were commented Eric-Russel added 2 commits June 24, 2024 07:06 Add apply_rotary_pos_emb_backward 3c7440b Add apply_rotary_pos_emb_backward 33e699f silencelamb approved these changes Jun 25, 2024 View reviewed changes silencelamb merge...
def apply_rotary_pos_emb(t: Tensor, freqs: Tensor): """Apply rotary positional embedding to input tensor T. check https://kexue.fm/archives/8265 for detailed formulas Args: t (Tensor): Input tensor T is of shape [seq_length, ... , dim] freqs (Tensor): Rotary Positional embedding ...
Tensors and Dynamic neural networks in Python with strong GPU acceleration - `torch.onnx.export` (dynamo=False) fails with uninformative error when exporting `apply_rotary_pos_emb`/`repeat_interleave` · pytorch/pytorch@664550e
🤗 Transformers: State-of-the-art Machine Learning for Pytorch, TensorFlow, and JAX. - Fix bug in apply_rotary_pos_emb_flashatt: in Qwen2-5-VL (#36065) · huggingface/transformers@014047e