const std::string compiler_info();
void prefetch(void* addr);
void start_logger(const std::string& fname);
-void* aligned_ttmem_alloc(size_t size, void** mem);
+void* aligned_ttmem_alloc(size_t size, void*& mem);
void dbg_hit_on(bool b);
void dbg_hit_on(bool c, bool b);