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61 lines
2.4 KiB
Plaintext
Vendored
61 lines
2.4 KiB
Plaintext
Vendored
/**
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* llama.cpp - commit 46e3556e01b824e52395fb050b29804b6cff2a7c - do not edit this file
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*
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* MIT License
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*
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* Copyright (c) 2023-2024 The ggml authors
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "arange.cuh"
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static __global__ void arange_f32(float * dst, const int ne0, const float start, const float step) {
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// blockIDx.x: idx of ne0 / BLOCK_SIZE
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int nidx = threadIdx.x + blockIdx.x * blockDim.x;
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if (nidx >= ne0) {
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return;
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}
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dst[nidx] = start + step * nidx;
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}
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static void arange_f32_cuda(float * dst, const int ne0, const float start, const float step, cudaStream_t stream) {
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int num_blocks = (ne0 + CUDA_ARANGE_BLOCK_SIZE - 1) / CUDA_ARANGE_BLOCK_SIZE;
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arange_f32<<<num_blocks, CUDA_ARANGE_BLOCK_SIZE, 0, stream>>>(dst, ne0, start, step);
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}
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void ggml_cuda_op_arange(ggml_backend_cuda_context & ctx, ggml_tensor * dst) {
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float * dst_d = (float *)dst->data;
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cudaStream_t stream = ctx.stream();
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GGML_ASSERT(dst->type == GGML_TYPE_F32);
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float start;
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float stop;
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float step;
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memcpy(&start, (float *)dst->op_params + 0, sizeof(float));
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memcpy(&stop, (float *)dst->op_params + 1, sizeof(float));
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memcpy(&step, (float *)dst->op_params + 2, sizeof(float));
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int64_t steps = (int64_t)ceil((stop - start) / step);
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GGML_ASSERT(ggml_nelements(dst) == steps);
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arange_f32_cuda(dst_d, dst->ne[0], start, step, stream);
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}
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