mirror of https://github.com/google/gemma.cpp.git
65 lines
2.1 KiB
C++
65 lines
2.1 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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// Model configurations
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#ifndef THIRD_PARTY_GEMMA_CPP_CONFIGS_H_
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#define THIRD_PARTY_GEMMA_CPP_CONFIGS_H_
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// Allow changing pre-allocated kv cache size as a compiler flag
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#ifndef GEMMA_MAX_SEQLEN
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#define GEMMA_MAX_SEQLEN 4096
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#endif // !GEMMA_MAX_SEQLEN
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// Allow changing k parameter of `SampleTopK` as a compiler flag
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#ifndef GEMMA_TOPK
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#define GEMMA_TOPK 1
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#endif // !GEMMA_TOPK
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#include <stddef.h>
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namespace gcpp {
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static constexpr size_t kSeqLen = GEMMA_MAX_SEQLEN;
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static constexpr size_t kTopK = GEMMA_TOPK;
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struct ConfigGemma7B {
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static constexpr int kSeqLen = gcpp::kSeqLen;
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static constexpr int kVocabSize = 256128;
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static constexpr int kLayers = 28;
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static constexpr int kModelDim = 3072;
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static constexpr int kFFHiddenDim = 16 * 3072 / 2; // = 24576
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static constexpr int kHeads = 16;
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static constexpr int kKVHeads = 16; // standard MHA
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static constexpr int kQKVDim = 256; // query size == key size == value size
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static constexpr int kTopK = gcpp::kTopK;
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};
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struct ConfigGemma2B {
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static constexpr int kSeqLen = gcpp::kSeqLen;
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static constexpr int kVocabSize = 256128;
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static constexpr int kLayers = 18;
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static constexpr int kModelDim = 2048;
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static constexpr int kFFHiddenDim = 16 * 2048 / 2; // = 16384
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static constexpr int kHeads = 8;
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static constexpr int kKVHeads = 8; // TODO(austinvhuang): add MQA support
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static constexpr int kQKVDim = 256; // query size == key size == value size
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static constexpr int kTopK = gcpp::kTopK;
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};
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} // namespace gcpp
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#endif // THIRD_PARTY_GEMMA_CPP_CONFIGS_H_
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