init src 0.9.2

vllm/lora/punica_wrapper/punica_hpu.py

@@ -0,0 +1,145 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright contributors to the vLLM project
+
+from typing import TYPE_CHECKING, Optional, Union, final
+
+import torch
+from vllm_hpu_extension.ops import (dispatch_bgmv_embedding,
+                                    dispatch_bgmv_linear)
+
+from .punica_base import PunicaWrapperBase
+from .utils import convert_mapping
+
+if TYPE_CHECKING:
+    # avoid circuit import
+    from vllm.lora.layers import LoRAMapping
+    from vllm.lora.models import LongContextLoRAContext
+
+
+@final
+class PunicaWrapperHPU(PunicaWrapperBase):
+
+    def __init__(self, max_num_batched_tokens: int, max_batches: int,
+                 device: Union[torch.device, str], **kwargs):
+        # Increasing max_num_batched_tokens by 3x to handle increase in
+        # tensor size due to padding.
+        PunicaWrapperBase.__init__(self, 3 * max_num_batched_tokens,
+                                   max_batches, device)
+
+    def _update_base_metadata(
+        self,
+        mapping: "LoRAMapping",
+        lora_index_to_id: list[Optional[int]],
+        max_loras: int,
+        vocab_size: int,
+        extra_vocab_size: int,
+        long_lora_context: Optional["LongContextLoRAContext"] = None,
+    ):
+        (
+            base_indices,
+            sampler_indices,
+            sampler_indices_padded,
+            embeddings_indices,
+            long_lora_offsets_tensor,
+            indices_len,
+        ) = convert_mapping(mapping, lora_index_to_id, max_loras, vocab_size,
+                            extra_vocab_size, self.device, None)
+        # Updating each element in `long_lora_offsets` with `lora_offset` slows
+        # down perf in HPU due to a series of `strided_insert` ops during lazy
+        # graph accumulation. Hence HPU appends `lora_offset` to a list and
+        # converts it to a tensor only after it is ready.
+        if long_lora_context:
+            index_mapping_indices: list[int] = list(
+                mapping.index_mapping).copy()
+            long_lora_offsets: list[int] = []
+            for i in range(len(index_mapping_indices)):
+                lora_offset: int = long_lora_context.offsets_by_lora_id.get(
+                    index_mapping_indices[i], 0)
+                long_lora_offsets.append(lora_offset)
+            long_lora_offsets_tensor = torch.tensor(long_lora_offsets,
+                                                    device=self.device,
+                                                    dtype=torch.long)
+            indices_len[-1] = long_lora_offsets_tensor.shape[-1]
+
+        self._token_lora_indices[:base_indices.shape[0]].copy_(base_indices)
+        self._sampler_indices[:sampler_indices.shape[0]].copy_(sampler_indices)
+        self._sampler_indices_padded[:sampler_indices_padded.shape[0]].copy_(
+            sampler_indices_padded)
+        self._embeddings_indices[:embeddings_indices.
+                                 shape[0], :embeddings_indices.shape[1]].copy_(
+                                     embeddings_indices)
+        if long_lora_offsets_tensor is not None:
+            self._long_lora_indices[:long_lora_offsets_tensor.shape[0]].copy_(
+                long_lora_offsets_tensor)
+        else:
+            self._long_lora_indices.zero_()
+        self.indices_len[:] = indices_len
+
+    def add_lora_embedding(self,
+                           y: torch.Tensor,
+                           x: torch.Tensor,
+                           lora_b_stacked: torch.Tensor,
+                           add_inputs: bool = True,
+                           **kwargs) -> None:
+        dispatch_bgmv_embedding(y, x, lora_b_stacked, 0)
+
+    def add_lora_linear(self,
+                        y: torch.Tensor,
+                        x: torch.Tensor,
+                        lora_a_stacked: tuple[torch.Tensor, ...],
+                        lora_b_stacked: tuple[torch.Tensor, ...],
+                        lora_bias_stacked: Optional[tuple[torch.Tensor, ...]],
+                        scale: float,
+                        output_slices: tuple[int, ...],
+                        *,
+                        buffer: Optional[tuple[torch.Tensor, ...]] = None,
+                        **kwargs) -> None:
+        y_org = y
+        x = x.view(-1, x.shape[-1])
+        y = y.view(-1, y.shape[-1])
+        offset_left = 0
+
+        for slice_idx in range(len(output_slices)):
+            dispatch_bgmv_linear(
+                y[:, offset_left:offset_left + output_slices[slice_idx]], x,
+                lora_a_stacked[slice_idx], lora_b_stacked[slice_idx], 0, scale)
+            offset_left += output_slices[slice_idx]
+        y = y.view_as(y_org)
+
+    def add_lora_logits(self,
+                        y: torch.Tensor,
+                        x: torch.Tensor,
+                        lora_a_stacked: torch.Tensor,
+                        lora_b_stacked: torch.Tensor,
+                        scale,
+                        *,
+                        buffer: Optional[torch.Tensor] = None,
+                        **kwargs) -> None:
+        y_org = y
+        y = y.view(-1, y.shape[-1])
+        x = x.view(-1, x.shape[-1])
+        dispatch_bgmv_linear(y, x, lora_a_stacked, lora_b_stacked, 0, scale)
+        y = y.view_as(y_org)
+
+    def add_shrink(
+        self,
+        y: Union[tuple[torch.Tensor, ...], torch.Tensor],
+        x: torch.Tensor,
+        lora_a_stacked: tuple[torch.Tensor, ...],
+        scale: float,
+        **kwargs,
+    ) -> None:
+        raise NotImplementedError
+
+    def add_expand(
+        self,
+        y: torch.Tensor,
+        x: Union[tuple[torch.Tensor, ...], torch.Tensor],
+        lora_b_stacked: tuple[torch.Tensor, ...],
+        lora_bias_stacked: Optional[tuple[torch.Tensor, ...]],
+        output_slices: tuple[int, ...],
+        offset_start: int = 0,
+        add_inputs=True,
+        **kwargs,
+    ) -> None:
+        raise NotImplementedError