AMD Bulldozer Dual-Interlagos Benchmarks On Linux
Phoronix: AMD Bulldozer Dual-Interlagos Benchmarks On Linux
Lately we have been talking a lot about Intel's latest Sandy Bridge processors under Linux due to their very competitive performance and interesting graphics abilities, but on the AMD side there has not been too much to talk about. On the low-end there is the intriguing Fusion APUs, but on the high-end they don't have an answer to Sandy Bridge until delivering their new "Bulldozer" products closer to the summer. Fortunately, we have the first Linux scoop and performance benchmarks from engineering samples of their 16-core Interlagos server chip.
The way i understand it is
32 core bulldozer = 32 integer cores, 16 fpu cores, and 16 "front-ends" dispatching instructions and everything.
So it's sort of a super-hyperthreading, that actually doubles some of the execution units instead of waiting for pipeline stalls.
AMD claims it gives all the benefits of an extra core with only 10% or so of the die space, but it remains to be seen how true that actually is in practice.