Memory profiling of C++ using Valgrind...

On the eve of 15th August - my contribution to the learning community...

Profiling in C++ is a crucial step in optimizing the performance of your application. It involves analyzing various aspects of the code, such as CPU usage, memory consumption, and execution time, to identify bottlenecks and inefficiencies. 

Types of Profiling

CPU Profiling:

Focuses on the amount of time the CPU spends executing different parts of the program.

Identifies functions or code segments that take up most of the CPU time.

Tools: gprof, perf, Visual Studio Profiler.

Memory Profiling:

Monitors the application's memory usage, including allocations, deallocations, and memory leaks.

Helps in identifying memory-intensive operations and optimizing memory management.

Tools: valgrind, Massif, AddressSanitizer, Heaptrack.

I/O Profiling:

Analyzes input/output operations, such as disk access or network communication.

Useful for applications that are I/O bound.

Tools: strace, iotop.

Concurrency Profiling:

Monitors the behavior of multi-threaded programs to identify issues like thread contention, deadlocks, and inefficient parallelism.

Tools: Intel VTune, ThreadSanitizer, gprof.

Today I will discuss about memory profiling - especially memory leak in a C++ program using valgrind.

Please have a look at my video.

It's well-explained here.

Valgrind is a versatile tool for detecting a wide range of memory-related issues in C++ applications. Tools like Memcheck, Helgrind, DRD, and Massif provide comprehensive coverage of memory leaks, invalid accesses, uninitialized memory usage, threading issues, and memory management inefficiencies.

Using Valgrind in the development cycle can significantly improve the stability and performance of your application by identifying and allowing you to fix these memory-related issues.

Jai Hind.... Jai Bharat...