Native execution of benchmarks on a dual-socket
Intel Xeon X5550 Nehalem
machine.
Machine-readable results: gainestown-native.csv.
Sniper's default configuration, or when -c gainestown
is used, resembles this architecture.
Processor basic characteristics:
- 128 entry ROB, 4-wide issue, out-of-order, 2.66 GHz
- L1-I cache: 32 KB, 4-way set associative
- L1-D cache: 32 KB, 8-way set associative
- L2 cache: 256 KB, 8-way set associative
- L3 cache: 8 MB, 16-way set associative, shared by four cores
Machine configuration:
- Ubuntu 11.04, GCC 4.5.2
- SpeedStep, Turbo Boost disabled (all cores fixed at 2.66 GHz)
- Prefetchers disabled
- Thread pinning: one thread per core (1/2/4 threads: single socket used)