TensorRT-LLMs/cpp/tensorrt_llm/nanobind/batch_manager/buffers.cpp
Linda 5bff317abf
feat: nanobind bindings (#5961)
Signed-off-by: Linda-Stadter <57756729+Linda-Stadter@users.noreply.github.com>
2025-07-17 22:42:52 +08:00

109 lines
6.7 KiB
C++

/*
* SPDX-FileCopyrightText: Copyright (c) 2022-2025 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "buffers.h"
#include "tensorrt_llm/nanobind/common/customCasters.h"
#include "tensorrt_llm/batch_manager/kvCacheManager.h"
#include "tensorrt_llm/batch_manager/runtimeBuffers.h"
#include "tensorrt_llm/batch_manager/transformerBuffers.h"
#include <ATen/ATen.h>
#include <nanobind/nanobind.h>
#include <nanobind/stl/optional.h>
#include <nanobind/stl/shared_ptr.h>
#include <nanobind/stl/vector.h>
#include <torch/extension.h>
namespace nb = nanobind;
namespace tb = tensorrt_llm::batch_manager;
namespace tr = tensorrt_llm::runtime;
using tr::SizeType32;
namespace tensorrt_llm::nanobind::batch_manager
{
void Buffers::initBindings(nb::module_& m)
{
nb::class_<tb::TransformerBuffers>(m, "TransformerBuffers")
.def(nb::init<SizeType32, SizeType32, std::vector<SizeType32> const&, SizeType32, SizeType32,
runtime::TllmRuntime const&, runtime::ModelConfig const&, runtime::WorldConfig const&>(),
nb::arg("max_batch_size"), nb::arg("max_beam_width"), nb::arg("max_attention_window_vec"),
nb::arg("max_attention_window"), nb::arg("sink_token_len"), nb::arg("runtime"), nb::arg("model_config"),
nb::arg("world_config"))
.def("reshape", &tb::TransformerBuffers::reshape, nb::arg("num_sequences"), nb::arg("num_input_tokens"))
.def("reshape_kv_tensors", &tb::TransformerBuffers::reshapeKvTensors, nb::arg("max_batch_size"),
nb::arg("max_beam_width"), nb::arg("max_blocks_per_seq"), nb::arg("kv_cache_type"), nb::arg("num_pools"),
nb::arg("buffer_manager"))
.def("get_buffers", &tb::TransformerBuffers::getBuffers, nb::arg("input_buffers"), nb::arg("output_buffers"),
nb::arg("model_config"))
.def("copy_position_ids", &tb::TransformerBuffers::copyPositionIds, nb::arg("runtime"),
nb::arg("position_ids_host"), nb::arg("is_chat_glm"), nb::arg("decoder_position_ids"))
.def("copy_kv_block_offsets", &tb::TransformerBuffers::copyKvBlockOffsets, nb::arg("context_requests"),
nb::arg("gen_requests"), nb::arg("kv_cache_manager"), nb::arg("cross_kv_cache_manager"),
nb::arg("buffer_manager"))
.def("copy_cache_indirection", &tb::TransformerBuffers::copyCacheIndirection, nb::arg("gen_requests"),
nb::arg("decoder_cache_indirection_output"), nb::arg("runtime"))
.def_rw("past_key_value_lengths", &tb::TransformerBuffers::pastKeyValueLengths)
.def_rw("position_ids", &tb::TransformerBuffers::positionIds)
.def_rw("max_attention_windows", &tb::TransformerBuffers::maxAttentionWindows)
.def_rw("sink_token_lengths", &tb::TransformerBuffers::sinkTokenLengths)
.def_rw("cache_indirection", &tb::TransformerBuffers::cacheIndirection)
.def_rw("kv_cache_block_offsets_host", &tb::TransformerBuffers::kvCacheBlockOffsetsHost)
.def_rw("kv_cache_block_offsets_device", &tb::TransformerBuffers::kvCacheBlockOffsetsDevice)
.def_rw("cross_kv_cache_block_pool_pointers", &tb::TransformerBuffers::crossKvCacheBlockPoolPointers)
.def_rw("cross_kv_cache_block_offsets_host", &tb::TransformerBuffers::crossKvCacheBlockOffsetsHost)
.def_rw("cross_kv_cache_block_offsets_device", &tb::TransformerBuffers::crossKvCacheBlockOffsetsDevice)
.def_rw("cache_indir_batched_copy_src_offsets", &tb::TransformerBuffers::cacheIndirBatchedCopySrcOffsets)
.def_rw("cache_indir_batched_copy_dst_offsets", &tb::TransformerBuffers::cacheIndirBatchedCopyDstOffsets)
.def_rw("cache_indir_batched_copy_sizes", &tb::TransformerBuffers::cacheIndirBatchedCopySizes)
.def_rw("fill_values_alt", &tb::TransformerBuffers::fillValuesAlt)
.def_rw("fill_values_alt_device", &tb::TransformerBuffers::fillValuesAltDevice)
.def_rw("seq_slots_alt", &tb::TransformerBuffers::seqSlotsAlt)
.def_rw("seq_slots_alt_device", &tb::TransformerBuffers::seqSlotsAltDevice);
nb::class_<tb::RuntimeBuffers>(m, "RuntimeBuffers")
.def(nb::init<SizeType32, SizeType32, std::vector<SizeType32> const&, SizeType32, SizeType32,
runtime::TllmRuntime const&, runtime::ModelConfig const&, runtime::WorldConfig const&,
executor::DecodingConfig const&, bool, std::optional<SizeType32>>(),
nb::arg("max_batch_size"), nb::arg("max_beam_width"), nb::arg("max_attention_window_vec"),
nb::arg("max_attention_window"), nb::arg("sink_token_len"), nb::arg("runtime"), nb::arg("model_config"),
nb::arg("world_config"), nb::arg("decoding_config"), nb::arg("gather_generation_logits"),
nb::arg("max_num_tokens") = std::nullopt)
.def_prop_rw(
"transformer_buffers", [](tb::RuntimeBuffers& self) { return self.transformerBuffers; },
[](tb::RuntimeBuffers& self, std::shared_ptr<tb::TransformerBuffers> val)
{ self.transformerBuffers = val; })
.def_rw("num_context_logits", &tb::RuntimeBuffers::numContextLogits)
.def_rw("cache_indir_decoder_io_batched_copy_src_offsets",
&tb::RuntimeBuffers::cacheIndirDecoderIOBatchedCopySrcOffsets)
.def_rw("cache_indir_decoder_io_batched_copy_dst_offsets",
&tb::RuntimeBuffers::cacheIndirDecoderIOBatchedCopyDstOffsets)
.def_rw("cache_indir_decoder_io_batched_copy_sizes", &tb::RuntimeBuffers::cacheIndirDecoderIOBatchedCopySizes)
.def_rw("logits", &tb::RuntimeBuffers::logits)
.def_rw("seq_slots", &tb::RuntimeBuffers::seqSlots)
.def_rw("seq_slots_device", &tb::RuntimeBuffers::seqSlotsDevice)
.def_rw("cache_indir_decoder_io_batched_copy_src_offsets_slice_device",
&tb::RuntimeBuffers::mCacheIndirDecoderIOBatchedCopySrcOffsetsSliceDevice)
.def_rw("cache_indir_decoder_io_batched_copy_dst_offsets_slice_device",
&tb::RuntimeBuffers::mCacheIndirDecoderIOBatchedCopyDstOffsetsSliceDevice)
.def_rw("cache_indir_decoder_io_batched_copy_copy_sizes_device",
&tb::RuntimeBuffers::mCacheIndirDecoderIOBatchedCopyCopySizesDevice);
}
} // namespace tensorrt_llm::nanobind::batch_manager