2

How many cycles does it take to access the L1 cache and main memory i know it is dependent.

if L1, L2, L3 are missed, how many cycles does it take to access main memory ?

but i want to know approximate average cycles.

PrepareFor
  • 2,448
  • 6
  • 22
  • 36
  • 1
    There is no direct answer, it depends from chip to chip. You need to read the fact sheet of the chip you are interested in. – Isuru H Mar 21 '17 at 09:31
  • 1
    for example - http://stackoverflow.com/questions/20333547/cache-specifications-for-intel-core-i7/20354270#20354270 – Leeor Mar 21 '17 at 13:05

1 Answers1

2

Latency Numbers Every Programmer Should Know. Plotted over time.

someneat
  • 348
  • 3
  • 9