[arch-general] IPC slowness

[Marco]

$ bash sc.sh
real    0m0,140s
user    0m0,044s
sys     0m0,097s

$inxi
CPU: Quad Core Intel Xeon E5-1620 v2 (-MT MCP-) speed/min/max:
1497/1200/3900 MHz Kernel: 5.0.0-arch1-1-ARCH x86_64
Up: 1d 1h 34m Mem: 2791.9/64368.0 MiB (4.3%) Storage: 1.83 TiB (23.8%
used) Procs: 230 Shell: bash 5.0.0 inxi: 3.0.30

The same on my laptop. It gets slightly better if you remove any
.screenrc, but that's not very significant.