A few experiments with the
Cache Allocation TechnologyPawel Szostek
HTCCC,15.02The caches: a refresher● Modern computer architectures use caches to
speed-up memory accesses,● Caches store data for a later use. They only
“work”, if the data is reused (for a streaming
app. it doesn’t give any advantage)● Modern x86 machines use 3 levels of cache -
L1D, L1I, L2 and L3● L3 cache (also called LLC) is shared between all
the cores inside a socket● L1, L2 and L3 caches are inclusive
● A process ru
