As always with microbenchmarks... struct Error* create_error(const char *msg) { struct Error *e = malloc(sizeof(struct Error)); e->msg = strdup(msg);

As always with microbenchmarks... struct Error* create_error(const char *msg) { struct Error *e = malloc(sizeof(struct Error)); e->msg = strdup(msg); return e; } Is it measuring exceptions vs return codes, or creation cost of std::runtime_error(const char *) (small string opt?) vs malloc() + strdup?