gemma.cpp/gemma/common.cc

68 lines
2.5 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.
#include "gemma/common.h"
#include <stddef.h>
#include <string.h>
#include <algorithm> // std::transform
#include <cctype>
#include <string>
#include <vector>
#include "hwy/base.h"
#include "hwy/contrib/thread_pool/thread_pool.h"
namespace gcpp {
namespace {
constexpr const char* kModelFlags[] = {"2b-pt", "7b-pt", "gr2b-pt", "2b-it",
"7b-it", "gr2b-it", "tiny"};
constexpr Model kModelTypes[] = {
Model::GEMMA_2B, Model::GEMMA_7B, Model::GRIFFIN_2B, Model::GEMMA_2B,
Model::GEMMA_7B, Model::GRIFFIN_2B, Model::GEMMA_TINY};
constexpr ModelTraining kModelTraining[] = {
ModelTraining::GEMMA_PT, ModelTraining::GEMMA_PT, ModelTraining::GEMMA_PT,
ModelTraining::GEMMA_IT, ModelTraining::GEMMA_IT, ModelTraining::GEMMA_IT,
ModelTraining::GEMMA_IT};
} // namespace
const char* ParseModelTypeAndTraining(const std::string& model_flag,
Model& model, ModelTraining& training) {
constexpr size_t kNum = std::end(kModelFlags) - std::begin(kModelFlags);
static char kErrorMessageBuffer[kNum * 8 + 1024] =
"Invalid or missing model flag, need to specify one of ";
for (size_t i = 0; i + 1 < kNum; i++) {
strcat(kErrorMessageBuffer, kModelFlags[i]); // NOLINT
strcat(kErrorMessageBuffer, ", "); // NOLINT
}
strcat(kErrorMessageBuffer, kModelFlags[kNum - 1]); // NOLINT
strcat(kErrorMessageBuffer, "."); // NOLINT
std::string model_type_lc = model_flag;
std::transform(begin(model_type_lc), end(model_type_lc), begin(model_type_lc),
[](unsigned char c) { return std::tolower(c); });
for (size_t i = 0; i < kNum; i++) {
if (kModelFlags[i] == model_type_lc) {
model = kModelTypes[i];
training = kModelTraining[i];
return nullptr;
}
}
return kErrorMessageBuffer;
}
} // namespace gcpp