This repository contains the TCMalloc C++ code.

TCMalloc is Google’s customized implementation of C’s malloc() and C++’s operator new used for memory allocation within our C and C++ code. TCMalloc is a fast, multi-threaded malloc implementation.

Building TCMalloc

Bazel is the official build system for TCMalloc.

The TCMalloc Platforms Guide contains information on platform support for TCMalloc.


All users of TCMalloc should consult the following documentation resources:

More advanced usages of TCMalloc may find the following documentation useful:


We’ve published several papers relating to TCMalloc optimizations:


The TCMalloc library is licensed under the terms of the Apache license. See LICENSE for more information.

Disclaimer: This is not an officially supported Google product.