From mboxrd@z Thu Jan 1 00:00:00 1970 From: erik quanstrom Date: Sat, 16 Jul 2011 12:27:14 -0400 To: 9fans@9fans.net Message-ID: In-Reply-To: <20110716080247.GA394@polynum.com> References: <20110715151535.GA2405@polynum.com> <20110715202157.GA5157@polynum.com> <20110716080247.GA394@polynum.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Subject: Re: [9fans] NUMA Topicbox-Message-UUID: 0225caba-ead7-11e9-9d60-3106f5b1d025 > The Itanium story, as guessed early by Hennessy and Patterson in > "Computer Architecture", shows that efficiency relying on too > complex knowledge, asking too much to the programmers and the > compilers, is likely to fail. another way of looking at itanium is that it's like a multicore processor that is programed with a single instruction stream. given a general-purpose workload, it stands to reason that independent threads are going to be scheduled more efficiently and independent threads can be added at will without changing the architechtural model. so it's also easier to scale. - erik