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MemShrink is a project that aims to reduce Firefox's memory consumption. There are three potential benefits:.
# Speed. Less cache pressure, less paging, and fewer/smaller GC and CC pauses.
Reducing memory consumption directly helps with both stability and reputation. The effects on speed are usually murkier, and the effects depend greatly on the nature of any individual reduction and the machine Firefox is running on; changes that reduce Firefox's memory consumption but make it slower are not desirable.
There are two main facets to this:.
# "Slimmer" memory usage, e.g. more space-efficient data structures.
