June 17, 2009

Sun's Rock chip doomed from start

A troubled and costly development and not Oracle are responsible for Rock's reported death, analysts say

Sun's development Rock processor was a troubled project that may never have stood a chance, analysts said following reports that the chip had been axed.

The New York Times reported earlier that Sun had cut development of the 16-core Rock chips, which were designed to go into high-end servers. The multithreaded processor would have doubled the core count from Sun's fastest server processor today, the eight-core UltraSparc T2, and was targeted at enterprise servers to process data-intensive applications like databases.

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Rock's development had been a high-priority project within Sun, and the company poured plenty of money into its development. Sun had high expectations for the chip, which blended high multithreading capabilities with quick instruction processing. Rock was originally due for release in 2008, but Sun said last year that it had delayed the release until the second half of 2009.

Ultimately, the continuous delays made Rock's development a costly affair for Sun. Rock also suffered as incrementally better chips from rivals like IBM, Intel, and AMD hit the market.

Rock may have gotten buried under the weight of its costs and high expectations, said Gordon Haff, principal IT adviser at Illuminata. Sun has refused to comment on Rock's future, but Haff said that the report of its demise "certainly is a very believable rumor."

Rock's development took a hit as budgets got lower and the chip saw many glitches during the development process, said a financial analyst who spoke on condition of anonymity because he had not been authorized to speak with press. The budget for the development shrunk as the company lost server market share to its competitors like IBM and Intel, he said.

Key Sun employees involved in its development also left the company over the past few years, which affected Rock's development, the financial analyst said. The departures included former Executive Vice President of the Microelectronics David Yen, who left for Juniper Networks in 2008, and respected chip designer Marc Tremblay, previously a chief technology officer in Sun's microelectronics business, who bolted for Microsoft this year to work as a distinguished engineer.

Even if Rock had made it to market, it would have been an uninteresting processor as companies like Intel and AMD are offering high-performance chips at more reasonable prices, said Dean McCarron, principal analyst at Mercury Research.

Intel and AMD make x86 server chips that are used in industry-standard servers running the Windows or Linux OS. As more companies adopt those chips, Sun's return on investment on the Rock chips -- written for the Solaris OS -- would have declined, McCarron said. Putting more money into Rock's research would only make Sun's pockets lighter, he said.

Sun is reportedly dropping the chip as it prepares to be acquired by database giant Oracle. Though there's little evidence of Oracle's involvement in Rock's cancellation, it may have played an informal role in the background, said Dan Olds, principal analyst at Gabriel Consulting Group.

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DavidHalko 4-Jul-09 8:19pm
"Even if Rock had made it to market, it would have been an uninteresting processor as companies like Intel and AMD are offering high-performance chips at more reasonable prices, said Dean McCarron, principal analyst at Mercury Research." Suggesting 'Rock' is "uninteresting" is beyond comprehension. The UltraSPARC RK or 'Rock' processor by Sun Microsystems is interesting to Computer Scientists, who have worked for decades to speed single threaded performance. Sun implemented many of those theories in 'Rock' silicon such as: - thread level parallelism - thread level speculation - transactional memory - out-of-order retirement - deferred queue 'Rock' is a very interesting processor in the academic world since companies like Intel and AMD have not recently pioneered computer science technologies in silicon to optimize single threaded applications. Implementations of theory in real silicon are very important to review academic thoughts and determine future implications. Implementations like 'Rock' are studied for decades. 'Rock' is a very interesting processor for business, military, and academia system performance of single thread bound applications - software threads on 'Rock' runs with very few of the painfully long waits on slow memory due to cache misses, commonly experienced with Intel and AMD processors. People who purchase systems expect their systems to be doing work, instead of sitting around idle. 'Rock' is a very interesting processor in the commercial world since accelerating existing single thread-bound software allow for acceleration of existing software (which does not scale well with multiple threads) - something the major CPU developers (AMD and Intel) in rest of the market have abandoned. If a single thread is the problem, newer CPU's from other vendors will not solve their performance problem, increase the thread bottlenecked performance, and increase the business profitability. 'Rock' is a very interesting processor in the investment community. The release of Rock would enable Sun to pioneer another niche, abandoned by the other vendors (single threaded performance.) Filling niches has proven to be very profitable for Sun and investors. Sun had pioneered the niche of multi-threaded hardware with the release of their 32 hardware thread UltraSPARC T1 processor - driving proprietary vendors (Intel, AMD) to change their road maps and start seriously threading their CPU's... projects to speed existing single-threaded applications are non-existent today. The release of Rock would enable Sun to pioneer this lost niche, abandoned by the other vendors. Filling niches are very profitable to investors in those technologies. 'Rock' is very interesting to the environmentally conscience consumer. Very little work has been done recently in the market to increase the performance of single threaded software, with the exception of increasing clock rate, which drives up the costs to consumers in: hardware, cooling, and power consumption. Rock has been the exception - targeting increased single threaded performance without aggressively increasing clock rate and the negatives that go along with it. 'Rock' is interesting to the businesses which are consolidating locations. In conjunction with increasing the speed of existing hardware threads making thread-bound applications run faster - with the number of threads per-processor going to 4 to 16, the number of servers required to consolidate multiple locations are reduced to a quarter of the platforms. Interesting is clearly not the problem with 'Rock'. If there is a problem with 'Rock' - the consumer community will need to wait for something more than a rumor.

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