sglang_v0.5.2/flashinfer_0.3.1/csrc/flashinfer_rope_ops.cu

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/*
* Copyright (c) 2023 by FlashInfer team.
*
* 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 <vector>
#include "pytorch_extension_utils.h"
void apply_rope(at::Tensor q, at::Tensor k, at::Tensor q_rope, at::Tensor k_rope, at::Tensor indptr,
at::Tensor offsets, int64_t rotary_dim, bool interleave, double rope_scale,
double rope_theta);
void apply_llama31_rope(at::Tensor q, at::Tensor k, at::Tensor q_rope, at::Tensor k_rope,
at::Tensor indptr, at::Tensor offsets, int64_t rotary_dim, bool interleave,
double rope_scale, double rope_theta, double low_freq_factor,
double high_freq_factor, double old_context_length);
void apply_rope_pos_ids(at::Tensor q, at::Tensor k, at::Tensor q_rope, at::Tensor k_rope,
at::Tensor pos_ids, int64_t rotary_dim, bool interleave, double rope_scale,
double rope_theta);
void apply_llama31_rope_pos_ids(at::Tensor q, at::Tensor k, at::Tensor q_rope, at::Tensor k_rope,
at::Tensor pos_ids, int64_t rotary_dim, bool interleave,
double rope_scale, double rope_theta, double low_freq_factor,
double high_freq_factor, double old_context_length);
void apply_rope_pos_ids_cos_sin_cache(at::Tensor q, at::Tensor k, at::Tensor q_rope,
at::Tensor k_rope, at::Tensor cos_sin_cache,
at::Tensor pos_ids, bool interleave);
void mla_rope_quantize(at::Tensor q_rope_in, at::Tensor k_rope_in, at::Tensor q_nope_in,
at::Tensor k_nope_in, at::Tensor q_rope_out, at::Tensor k_rope_out,
at::Tensor q_nope_out, at::Tensor k_nope_out, at::Tensor cos_sin_cache,
at::Tensor pos_ids, double quant_scale_q, double quant_scale_kv,
bool interleave);
TORCH_LIBRARY_FRAGMENT(TORCH_EXTENSION_NAME, m) {
// "Apply RoPE"
m.def("apply_rope", apply_rope);
// "Apply Llama 3.1 style RoPE"
m.def("apply_llama31_rope", apply_llama31_rope);
// "Apply RoPE with positional ids"
m.def("apply_rope_pos_ids", apply_rope_pos_ids);
// "Apply Llama 3.1 style RoPE with positional ids"
m.def("apply_llama31_rope_pos_ids", apply_llama31_rope_pos_ids);
// "Apply RoPE with positional ids and cosine/sine cache"
m.def("apply_rope_pos_ids_cos_sin_cache", apply_rope_pos_ids_cos_sin_cache);
// "MLA RoPE Quantize"
m.def("mla_rope_quantize", mla_rope_quantize);
}