Updated Memory Wall (markdown) authored by moebiusband73's avatar moebiusband73
...@@ -44,7 +44,7 @@ And there we are at a new wall processor architecture is facing: The power ...@@ -44,7 +44,7 @@ And there we are at a new wall processor architecture is facing: The power
wall. Processors are sophisticated heating plates, the performance limit is wall. Processors are sophisticated heating plates, the performance limit is
governed by the total heat you can dissipate across the tiny die surface. Due governed by the total heat you can dissipate across the tiny die surface. Due
to this limitation hardware architects trade cores for frequency, from 3.6 GHz to this limitation hardware architects trade cores for frequency, from 3.6 GHz
in Pentium D to 2 GHz nowadays. To give the impression of a performance in Pentium D to 2 GHz nowadays. To achieve a performance
increase the engineers silently increased the TDP (Thermal design power) from increase the engineers silently increased the TDP (Thermal design power) from
96W in Nehalem to 205W in Cascadelake. With standard DRAM technology you 96W in Nehalem to 205W in Cascadelake. With standard DRAM technology you
achieve more than 150GB/s on one socket. And with High Bandwidth Memory achieve more than 150GB/s on one socket. And with High Bandwidth Memory
... ...
......