This general procedure was used when doing pre-dawn 3.0 performance testing as mentioned in EOSIO/eos#2078.
Network layout: 2 nodes connected to each other on same box, 1 producer, 1 generator
Hardware: AMD Ryzen at 3.9Ghz
Software: Linux 4.15; eosio compiled with Clang6 -O3
Tested on Apr25 2018 on the DAWN-2018-04-23-ALPHA branch
Make an empty directory for our configs & data, mkdir ~/eos.data, and define a logging.json that doesn't print debug information (which occurs for each txn) to the console
cat << EOF > ~/eos.data/logging.json