mojo benchmark

 ./wrk -c 100 -d 30s http://127.0.0.1:8081/
Running 30s test @ http://127.0.0.1:8081/
  2 threads and 100 connections
  Thread Stats   Avg      Stdev     Max   +/- Stdev
    Latency     2.46ms    2.85ms 131.07ms   98.03%
    Req/Sec    22.06k     2.02k   25.91k    76.83%
  1316917 requests in 30.00s, 145.92MB read
Requests/sec:  43894.19
Transfer/sec:      4.86MB

perl -ne'
  /^\s*$/ && $i++;
  push @{$x[$i]}, [/^(.+?) \s*:\s* (.+)/x] if /core|sibling|physical id/; }{
  $r= shift @x;
  for $i(0..$#$r) { $$r[$i][1] .= " ".$$_[$i][1] for @x; printf "%-15s: %s\n", @{$$r[$i]} }
' /proc/cpuinfo

physical id    : 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1
siblings       : 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36 36
core id        : 0 0 1 1 2 2 3 3 4 4 8 8 9 9 10 10 11 11 16 16 17 17 18 18 19 19 20 20 24 24 25 25 26 26 27 27 0 0 1 1 2 2 3 3 4 4 8 8 9 9 10 10 11 11 16 16 17 17 18 18 19 19 20 20 24 24 25 25 26 26 27 27
cpu cores      : 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18 18