make sure benchmarks are run in separate threads
make sure benchmarks are run in separate threads

film42/protobuf,localshred/protobuf,brianstien/protobuf,zanker/protobuf,quixoten/protobuf,ruby-protobuf/protobuf,localshred/protobuf,film42/protobuf,lookout/protobuffy,brianstien/protobuf,ruby-protobuf/protobuf,zanker/protobuf,lookout/protobuffy,quixoten/protobuf