Use the dev-util/google-perftools libraries to replace the malloc() implementation with a possibly faster one

Packages describing “tcmalloc” as local USE flag

Package“tcmalloc” Flag Description
dev-db/redictUse tcmalloc from dev-util/google-perftools for allocations.
dev-db/redisUse tcmalloc from dev-util/google-perftools for allocations.
dev-libs/bitsetUse tcmalloc from dev-util/google-perftools for allocations
sys-block/fioLink against dev-util/google-perftools by default which will speed up USE=rbd up to 20%

All packages providing a “tcmalloc” USE flag (16)