From mboxrd@z Thu Jan 1 00:00:00 1970 From: paul.winalski@gmail.com (Paul Winalski) Date: Mon, 27 Nov 2017 13:26:03 -0500 Subject: [TUHS] Harvard and Von Neumann Architectures and Unix In-Reply-To: References: <20171127161141.2C9E318C08F@mercury.lcs.mit.edu> <20171127165046.GD3430@mcvoy.com> Message-ID: On-chip, all modern x86 processors operate entirely out of a hierarchy of caches, and there are separate caches for instructions and data. Main memory is really merely the first in the "slow access storage" hierarchy. So in that sense I suppose one could consider modern CPUs to be Harvard architecture. -Palu W.