Profiling

Embedded Stack Trace Profiler: http://nim-lang.org/docs/estp.html

Profiling Nim with Valgrind

# build your application as:
nim --debugger:native c application.nim

# profile calls with:
valgrind --tool=callgrind ./application

# terminate the application and visualize the calls with:
callgrind_annotate callgrind.out.<pid>