for i in  `seq 1 10`
do
   req=$((100*$i))
   echo "bin/boom -cpus 4 -n 1000 -c $req http://perf-nginx.iassist.ndslabs.org/"
   bin/boom -cpus 4 -n 1000 -c $req http://perf-nginx.iassist.ndslabs.org/
   sleep 1
done

bin/boom -cpus 4 -n 1000 -c 500 http://perf-nginx.iassist.ndslabs.org/
Summary:
  Total:	0.1539 secs
  Slowest:	0.1335 secs
  Fastest:	0.0193 secs
  Average:	0.0685 secs
  Requests/sec:	4842.2840

Status code distribution:
  [200]	745 responses

Response time histogram:
  0.019 [1]	|
  0.031 [28]	|∎∎∎∎∎∎
  0.042 [110]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
  0.054 [69]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
  0.065 [161]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
  0.076 [157]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎∎
  0.088 [60]	|∎∎∎∎∎∎∎∎∎∎∎∎∎∎
  0.099 [38]	|∎∎∎∎∎∎∎∎∎
  0.111 [49]	|∎∎∎∎∎∎∎∎∎∎∎∎
  0.122 [37]	|∎∎∎∎∎∎∎∎∎
  0.134 [35]	|∎∎∎∎∎∎∎∎

Latency distribution:
  10% in 0.0394 secs
  25% in 0.0502 secs
  50% in 0.0652 secs
  75% in 0.0808 secs
  90% in 0.1103 secs
  95% in 0.1217 secs
  99% in 0.1293 secs