Default to 8 a pool of visitors/core. In practice, 8 * core is optimal for quick requests (~10ms). Test runs with slower requests should use fewer visitors.
Default to 8 a pool of visitors/core. In practice, 8 * core is optimal for quick requests (~10ms). Test runs with slower requests should use fewer visitors.

scottwillson/celluloid-benchmark,scottwillson/celluloid-benchmark