On my MBP

• 2.3 GHz Intel Core i7
• 16 GB 1600 MHz DDR3

Original Comparative Benchmark Numbers

Framework	Throughput (req/s)	Latency (ms)	Consistency (σ ms)
Phoenix	30634	3.31	1.71
Rails	3000	15.00	7.00
Play	71200	1.59	3.25

Postgres Comparative Benchmark Numbers

Framework	Throughput (req/s)	Latency (ms)	Consistency (σ ms)
Phoenix13	6000	16.40	1.44
Phoenix13(Ecto)	5876	17.03	1.71
Rails	1288	45.00	17.00
Play	7411	14.42	10.54

• Play was using 570% CPU, Phoenix was at 450%

Ecto Pool Size Comparative Benchmark Numbers for Phoenix13(Ecto)

Pool Size	Throughput (req/s)	Latency (ms)	Consistency (σ ms)
1	1584	62.99	6.22
5	5545	18.02	1.05
10	5843	17.10	1.07
20	5886	16.97	1.48
30	5908	16.91	2.10
50	5925	16.86	3.51

Ecto master at https://github.com/elixir-lang/ecto/commit/c2e26c7f7e22fd6a3a22ba8d2018746527f8b1c3