gemma.cpp/configs.h

58 lines
2.0 KiB
C++

// Copyright 2024 Google LLC
// 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
//
// https://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.
// Model configurations
#ifndef THIRD_PARTY_GEMMA_CPP_CONFIGS_H_
#define THIRD_PARTY_GEMMA_CPP_CONFIGS_H_
#include <cstddef>
namespace gcpp {
static constexpr size_t kSeqLen = 7168;
struct ConfigGemma7B {
// NOLINTBEGIN(google3-readability-class-member-naming)
static constexpr int seq_len = kSeqLen;
static constexpr int vocab_size = 256128;
static constexpr int n_layers = 28;
static constexpr int dim_model = 3072;
static constexpr int dim_ffw_hidden = 16 * 3072 / 2; // = 24576
static constexpr int n_heads = 16;
static constexpr int n_kv_heads = 16; // standard MHA, no GQA or MQA
static constexpr int dim_qkv = 256; // query size == key size == value size
static constexpr int top_k = 1;
// NOLINTEND(google3-readability-class-member-naming)
};
struct ConfigGemma2B {
// NOLINTBEGIN(google3-readability-class-member-naming)
static constexpr int seq_len = kSeqLen;
static constexpr int vocab_size = 256128;
static constexpr int n_layers = 18;
static constexpr int dim_model = 2048;
static constexpr int dim_ffw_hidden = 16 * 2048 / 2; // = 16384
static constexpr int n_heads = 8;
static constexpr int n_kv_heads = 8; // TODO(austinvhuang): add MQA support
static constexpr int dim_qkv = 256; // query size == key size == value size
static constexpr int top_k = 1;
// NOLINTEND(google3-readability-class-member-naming)
};
} // namespace gcpp
#endif // THIRD_PARTY_GEMMA_CPP_CONFIGS_H_