minigo/cc/tf_bt_utils.cc at eval_server · JKIsaacLee/minigo

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

// 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

// http://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 "cc/tf_utils.h"

#include <cstdint>

#include "absl/strings/str_format.h"

#include "absl/time/clock.h"

#include "absl/time/time.h"

#include "cc/constants.h"

#include "cc/mcts_player.h"

#include "google/cloud/bigtable/data_client.h"

#include "google/cloud/bigtable/read_modify_write_rule.h"

#include "google/cloud/bigtable/table.h"

#include "tensorflow/core/example/example.pb.h"

#include "tensorflow/core/lib/core/status.h"

#include "tensorflow/core/lib/io/record_reader.h"

#include "tensorflow/core/platform/env.h"

#include "tensorflow/core/platform/file_system.h"

#include "tensorflow/core/platform/logging.h"

using google::cloud::bigtable::bigendian64_t;

using google::cloud::bigtable::BulkMutation;

using google::cloud::bigtable::ClientOptions;

using google::cloud::bigtable::CreateDefaultDataClient;

using google::cloud::bigtable::ReadModifyWriteRule;

using google::cloud::bigtable::SetCell;

using google::cloud::bigtable::SingleRowMutation;

using google::cloud::bigtable::Table;

using tensorflow::io::RecordReaderOptions;

using tensorflow::io::SequentialRecordReader;

namespace minigo {

namespace tf_utils {

const char kGameRowFormat[] = "g_%010d";

const char kEvalGameRowFormat[] = "e_%010d";

const char kPrefixAndMoveFormat[] = "%s_m_%03d";

// Fetches the tensorflow Examples from a MctsPlayer.

// Linked from tf_utils.cc

std::vector<tensorflow::Example> MakeExamples(const MctsPlayer& player);

void UpdateMoveCountForGame(BulkMutation& game_batch,

const std::string& game_prefix, int move_count) {

auto zero_row = absl::StrFormat(kPrefixAndMoveFormat, game_prefix, 0);

auto move_count_str = absl::StrCat(move_count);

auto count_row =

absl::StrCat("ct_", game_prefix.substr(2), "_", move_count_str);

SingleRowMutation zero_row_mut(zero_row);

zero_row_mut.emplace_back(SetCell("metadata", "move_count", move_count_str));

game_batch.emplace_back(std::move(zero_row_mut));

SingleRowMutation count_row_mut(count_row);

count_row_mut.emplace_back(SetCell("metadata", "move_count", move_count_str));

game_batch.emplace_back(std::move(count_row_mut));

}

// Writes a list of tensorflow Example protos to a series of Bigtable rows.

void WriteTfExamples(Table& table, const std::string& row_prefix,

const std::vector<tensorflow::Example>& examples) {

BulkMutation game_batch;

int move_number = 0;

for (const auto& example : examples) {

std::string data;

example.SerializeToString(&data);

auto row_name =

absl::StrFormat(kPrefixAndMoveFormat, row_prefix, move_number);

SingleRowMutation row_mutation(row_name);

row_mutation.emplace_back(SetCell("tfexample", "example", data));

row_mutation.emplace_back(

SetCell("metadata", "move", std::to_string(move_number)));

game_batch.emplace_back(std::move(row_mutation));

move_number++;

}

UpdateMoveCountForGame(game_batch, row_prefix, move_number);

table.BulkApply(std::move(game_batch));

}

void WriteGameExamples(const std::string& gcp_project_name,

const std::string& instance_name,

const std::string& table_name,

const MctsPlayer& player) {

auto examples = MakeExamples(player);

Table table(

CreateDefaultDataClient(gcp_project_name, instance_name, ClientOptions()),

table_name);

// This will be everything from a single game, so retrieve the game

// counter from the Bigtable and increment it atomically.

uint64_t game_counter = IncrementGameCounter(gcp_project_name, instance_name,

table_name, "game_counter", 1);

auto row_prefix = absl::StrFormat(kGameRowFormat, game_counter);

WriteTfExamples(table, row_prefix, examples);

int bleakest_move = 0;

float bleakest_q = 0.0;

if (FindBleakestMove(player, &bleakest_move, &bleakest_q)) {

auto bleak_row_name =

absl::StrFormat(kPrefixAndMoveFormat, row_prefix, bleakest_move);

SingleRowMutation row_mutation(bleak_row_name);

row_mutation.emplace_back(

SetCell("metadata", "bleakest_q", absl::StrCat(bleakest_q)));

table.Apply(std::move(row_mutation));

}

MG_LOG(INFO) << "Bigtable rows written to prefix " << row_prefix << " : "

<< examples.size();

}

void WriteEvalRecord(const std::string& gcp_project_name,

const std::string& instance_name,

const std::string& table_name, const MctsPlayer& player,

const std::string& black_player_name,

const std::string& white_player_name,

const std::string& sgf_name, const std::string& tag) {

Table table(

CreateDefaultDataClient(gcp_project_name, instance_name, ClientOptions()),

table_name);

// Retrieve the game counter from the Bigtable and increment it atomically.

uint64_t game_counter = IncrementGameCounter(

gcp_project_name, instance_name, table_name, "eval_game_counter", 1);

auto row_name = absl::StrFormat(kEvalGameRowFormat, game_counter);

SingleRowMutation row_mutation(

row_name, SetCell("metadata", "black", black_player_name),

SetCell("metadata", "white", white_player_name),

SetCell("metadata", "black_won", absl::StrCat(player.result() > 0)),

SetCell("metadata", "white_won", absl::StrCat(player.result() < 0)),

SetCell("metadata", "result", player.result_string()),

SetCell("metadata", "length", absl::StrCat(player.history().size())),

SetCell("metadata", "sgf", sgf_name), SetCell("metadata", "tag", tag));

table.Apply(std::move(row_mutation));

MG_LOG(INFO) << "Bigtable eval row written to " << row_name;

}

uint64_t IncrementGameCounter(const std::string& gcp_project_name,

const std::string& instance_name,

const std::string& table_name,

const std::string& counter_name, size_t delta) {

Table table(

CreateDefaultDataClient(gcp_project_name, instance_name, ClientOptions()),

table_name);

auto rule =

ReadModifyWriteRule::IncrementAmount("metadata", counter_name, delta);

auto row = table.ReadModifyWriteRow("table_state", rule);

// TODO(sethtroisi): Investigate if row.cells().size() == 1.

for (auto const& cell : row.cells()) {

if (cell.family_name() == "metadata" &&

cell.column_qualifier() == counter_name) {

return cell.value_as<bigendian64_t>().get();

}

MG_LOG(FATAL) << "Failed to increment table_state=metadata:" << counter_name;

return 0;

}

void PortGamesToBigtable(const std::string& gcp_project_name,

const std::string& instance_name,

const std::string& table_name,

const std::vector<std::string>& paths,

int64_t game_counter) {

auto client_options = ClientOptions();

auto channel_args = client_options.channel_arguments();

channel_args.SetUserAgentPrefix("minigo_to_cbt");

channel_args.SetInt(GRPC_ARG_ENABLE_CENSUS, 0);

channel_args.SetInt(GRPC_ARG_KEEPALIVE_PERMIT_WITHOUT_CALLS, 0);

channel_args.SetInt(GRPC_ARG_KEEPALIVE_TIMEOUT_MS, 60 * 1000);

client_options.set_channel_arguments(channel_args);

Table table(

CreateDefaultDataClient(gcp_project_name, instance_name, client_options),

table_name);

if (game_counter < 0) {

if (paths.size() != 1) {

MG_LOG(FATAL) << "Atomic game updates require batch size of 1 game";

return;

}

MG_LOG(FATAL) << "Have not yet implemented atomic game counter update.";

return;

}

BulkMutation game_batch;

auto start_time = absl::Now();

int changes = 0;

for (const auto& path : paths) {

std::unique_ptr<tensorflow::RandomAccessFile> file;

TF_CHECK_OK(tensorflow::Env::Default()->NewRandomAccessFile(path, &file));

RecordReaderOptions options;

options.compression_type = RecordReaderOptions::ZLIB_COMPRESSION;

SequentialRecordReader reader(file.get(), options);

auto row_prefix = absl::StrFormat(kGameRowFormat, game_counter);

// Transforms something like:

// gs://minigo/data/play/2018-10-14-13/1539522000-8x7lb.tfrecord.zz

// into:

// 2018-10-14-13-1539522000-8x7lb

auto game_id = path;

game_id.erase(game_id.rfind(".tfrecord.zz"));

game_id[game_id.rfind('/')] = '-';

game_id.erase(0, game_id.rfind('/') + 1);

auto zero_row = absl::StrFormat(kPrefixAndMoveFormat, row_prefix, 0);

SingleRowMutation zero_row_mutation(zero_row);

zero_row_mutation.emplace_back(SetCell("metadata", "game_id", game_id));

game_batch.emplace_back(std::move(zero_row_mutation));

std::string data;

int move_number = 0;

while (reader.ReadRecord(&data).ok()) {

auto row_name =

absl::StrFormat(kPrefixAndMoveFormat, row_prefix, move_number);

SingleRowMutation row_mutation(row_name);

row_mutation.emplace_back(SetCell("tfexample", "example", data));

row_mutation.emplace_back(

SetCell("metadata", "move", std::to_string(move_number)));

game_batch.emplace_back(std::move(row_mutation));

move_number++;

changes++;

}

UpdateMoveCountForGame(game_batch, row_prefix, move_number);

game_counter++;

}

table.BulkApply(std::move(game_batch));

auto finish_time = absl::Now();

double elapsed = absl::ToDoubleSeconds(finish_time - start_time);

VLOG(2) << "Total changes: " << changes << " at " << changes / elapsed

<< " changes/second";

VLOG(2) << "Total games: " << paths.size() << " at " << paths.size() / elapsed

<< " games/second";

}

} // namespace tf_utils

} // namespace minigo

FilesExpand file tree

tf_bt_utils.cc

Latest commit

History

tf_bt_utils.cc

File metadata and controls