True. Valgrind slows things considerably. In the end, what to use is a matter of workflow and convenience. Good to know how tcmalloc makes debugging memleaks e

True. Valgrind slows things considerably. In the end, what to use is a matter of workflow and convenience. Good to know how tcmalloc makes debugging memleaks easier. Just for for completeness, a third option would be a tracing tool that hooks into the kernel syscalls (e.g. the lttng project). They have nearly zero performance penalty as well.