mirror of https://github.com/google/gemma.cpp.git
44 lines
1.3 KiB
C++
44 lines
1.3 KiB
C++
// Copyright 2024 Google LLC
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// SPDX-License-Identifier: Apache-2.0
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef THIRD_PARTY_GEMMA_CPP_GEMMA_KV_CACHE_H_
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#define THIRD_PARTY_GEMMA_CPP_GEMMA_KV_CACHE_H_
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#include <stddef.h>
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#include "gemma/common.h" // Model
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#include "hwy/aligned_allocator.h"
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namespace gcpp {
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struct KVCache {
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size_t seq_len = 0; // = kSeqLen + prefill_tbatch_size
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// seq_len * kGemmaLayers * kKVHeads * kQKVDim * 2
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hwy::AlignedFreeUniquePtr<float[]> kv_cache;
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// (kConv1dWidth - 1) * kModelDim * kGriffinLayers
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hwy::AlignedFreeUniquePtr<float[]> conv1d_cache;
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// kModelDim * kGriffinLayers
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hwy::AlignedFreeUniquePtr<float[]> rglru_cache;
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static KVCache Create(Model type, size_t prefill_tbatch_size);
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};
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} // namespace gcpp
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#endif // THIRD_PARTY_GEMMA_CPP_GEMMA_KV_CACHE_H_
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