Linux and EM64T; Intel's 64-bit Suggestion
by Kristopher Kubicki on August 9, 2004 12:05 AM EST- Posted in
- Linux
Synthetic Benchmarks (continued)
TSCP
TSCP is a simple chess program, which you may read more about here. We compiled the program using our own Makefile, which you can download here. Once compiled, we ran the "bench" command inside the program. Using the -m64 flags provided no change in performance.
As you can see, there appears to be no advantage with HyperThreading for this application. This also appears to be the largest lead that the Intel processor takes over the AMD during the duration of our analysis.
Update:We have retested this part of the benchmark with the -O2 flag in the correct place for both machines. The score has changed to reflect this. br>
ubench
Finally, we have ubench, which stands as the definitive Unix synthetic benchmark. Feel free to learn more about the program here. We compiled the program using ./configure and make with no optimizations. The benchmark was run on a loop ten times to assure that we were getting a true average.
Here, we see HyperThreading working against the Xeon processor in a distinct fashion. According to the Ubench website, both of these machines with single processors outperform dual Xeon 2.4GHz machines, even though they are only running on one processor. The program runs several math-intensive floating point and integer operations over the course of three minutes.
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dfxshadow - Friday, August 20, 2004 - link
I will admit, i am an AMD fanboy, i was loyal to AMD since the k6-2 days. I ran AMD when intel was stomping us... Now we get a better product, and this, A review comparing a Desktop pc processor. with the very best that intel can pull off. and it only manages to win by a few.. Compare it to an opteron 250, i do belive the 250 will bench 2 or 3 times more than this new intel, It is good to see competition. But, is it really worth trying to glorify sub par technology.KristopherKubicki - Wednesday, August 18, 2004 - link
TauCeti:EMT is some medical something. EM64T is the actual terminology.
Kristopher
caliden - Tuesday, August 17, 2004 - link
Oh dear. I'm sorry to say that this review is so full of conceptual and methodological holes that I can almost hear generations of scientists, reviewers and geeks in general turning in their graves.Does anandtech have no peer review procedure? No one checks articles before they are published? It's such a shame, because this has made me think twice before accepting what I read here as objective fact.
johnsonx - Monday, August 16, 2004 - link
Just wondering, is 270 comments (not counting this one) a record?dark0n3 - Thursday, August 12, 2004 - link
I see lots of pro-AMD comments here, but I think noone noticed one issue about this test that might make intel scores look worse than they really are.Because Xeon's pipelines are much longer than pipelines in A64/Opteron, their performance is more dependant of optimizations. And from my experience, gcc does not produce binaries that have comparable quality to binaries that any windows compiler produce. (and disabling all optimizations in some tests...) I wonder how results would look, if programs were compiled with intel's linux compiler instead. See performance delta on windows for reference [gcc vs icc]: http://www.aceshardware.com/read_news.jsp?id=75000... I'd expect same ratio to apply in unix benchmarks.
TauCeti - Thursday, August 12, 2004 - link
Hi Kristopher,"What the heck is an EMT64? "
Because Intel changes terms for the AMD64 emulation mode every odd hour, YOUR test-system.os vendor ( SuSE 9.1 Pro) decided to stick to the EMT64 nomenclature.
http://www.suse.com/us/private/products/suse_linux...
Not that it matters a lot...
KristopherKubicki - Thursday, August 12, 2004 - link
hifisoftware:What the heck is an EMT64?
Kristopher
KristopherKubicki - Thursday, August 12, 2004 - link
http://www.anandtech.com/mb/showdoc.aspx?i=2163Kristopher
hifisoftware - Thursday, August 12, 2004 - link
Yep, pretty stupid idea for this review. I have an old bicycle, why not compare it to EMT64... Ohh wait here is another great idea for the review: "What tastes better, EMT64 vs LCD TV vs Scroll wheel from the mouse?".... I guess I could continue like this for a while.Man do you really have so much trouble figuring out what to review?