Rolf Kersten's Weblog

UltraSPARC T1 Ask The Expert with Denis Sheahan

Mittwoch Mai 31, 2006

If you're running one of our cool new Sun Fire T1000 or T2000 CoolThreads Servers, you have to do three things:

1. Read Developing and Tuning Applications on UltraSPARC T1 Chip Multithreading Systems written by Denis Sheahan. When finished, read it again.

2. Check for updates and up-to-date Recommendations for various applications at the Sun Fire CoolThreads Try and Buy Resource page. If a question remains which is not answered there, you can ask our best experts via a web form - or -

3. Meet them in person. This is what customers, partners and Try & Buy testers did yesterday. Stefan, winner of the CoolThreads Performance Contest in May, was there (and beat me on blogging about the event...). Norbert from lokalisten.de was there. The system heroes of some real big customers were there. The system heroes of our best partners were there. Everybody already had their first experiences with UltraSPARC T1 servers and Solaris 10, so Dennis compressed a 3-day shedule into one day (heroes are heroes): Hardware, Solaris, Drivers, Applications, Experiences, Cool Tools and much more.

Check out this flickr photo stream on the event and do not hesitate to contact your Sun representative if you'd like to have such an event a little bit nearer to your location than Munich, Germany. Rumours are that Denis is currently busy dumping all his T1 knowledge and experience into the minds of local Sun folks all over the world.

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Carrying the Sun Logo around Regensburg for 4 hours and 9 seconds

Montag Mai 29, 2006

The Regensburg Marathon follows a scenic route through the medieval city, along the river Danube, passing the home of the Sun Grid Engine product. So I recycled my lovely Sun shirt introduced during the Munich Business Run and carried the Sun logo great 37,195 kilometers and looong last 5 kilometers. It brought me luck: I hit mit goal of four hours almost on the spot.









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German Engineers testing the Sun Fire T2000

Donnerstag Mai 18, 2006

Redmonk Analyst James Governor said "I tend to trust Germans on engineering issues" when he reported the positive feedback from our Sun Fire T2000 Server Betatesters Strato and Fiducia last year.

So you bet the first thing our Sun Fire T2000 Server Try & Buy participants here in Germany did was carefully unwrapping the server package and inspecting the system how well all parts are physically engineered. As documented in their Blogs, the Sun Fire T2000 Server passed this test easily. After that of course, they went straight ahead into heavy application testing.

So here are the best Sun Fire T2000 Server Blogs from Germany so far:

  • The UltraSPARC T1 ("Niagara") based Sun Fire T2000 Server - Very detailled report from the Technical University of Aachen on UltraSPARC T1 for HPC workloads (those without floating point, of course)
  • Sunny Days - Stefan Rubner, Linux Guru, finds out that Solaris is not that different. 11 Chapters so far, with detailled benchmark spreadsheets and photos
  • Stress test Sun Fire T2000 - Thilo Hardt describes a shootout of a T2000 and an x86 Server with Auctioning Snipersoftware
  • Lokalisten T2000 Blog - The lokalisten.de is a fast growing social network site who were able to handle thousands of concurrently active users with one T2000.

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Munich Business Run 2006

Freitag Mai 12, 2006

Yesterday almost 17.000 men and women from Munich's finest companies gathered for a remarkable event. The yearly Munich Business Run, a 6.75km run through the park build for the 1972 olympic games. The last 200m of this race the runners enter the olympic stadium through the same gate as the 1972 olympic marathon runners. The experience is breathtaking (literally): After a never-ending last kilometer (why do I always go too fast in the beginning?) you start to hear the cheers of the supporting crowd in the stadium. Through the gate, with lights, music, fog and everything, you enter the stadium, sprint the last 100 meters, feeling like an olympic marathon runner.

Since Sun is one of Munich finest companies (our german headquarters are located here) we assembled a team of 48 brave young women and men:


After the race all of us took part in a field study of a local brewery who offered us their brand-new strawberry-flavoured nonalcoholic isotonic beer (what else did you expect in Munich) and asking us after the first two cans how it tasted. Well - great, having just finished the run, it passed the test of being a:liquid and b:sweet!


It took this company 585 years until they found out how to brew isotonic sports beers

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