Intel Xeon X5550 48GB - Parallel Memory Bandwidth Measurement Results

CPU: 2 × Intel Xeon X5550 (Nehalem/Tylersburg), 2667 MHz (cpu-world) 2 × (4 cores, 4 HT cores), 64 bit, SSE4 instructions

Memory: 2 × 4 × 32 KiB L1 D/I cache 2 × 4 × 256 KiB L2 cache 2 × 8 MiB L3 shared cache 48 GiB, 2 × 6ch DDR3-1066 RAM

Dates: CPU released 2009-03-30, tested 2013-06-08 gnuplot PDF or raw stats

Charts

Sequential: BandwidthLatencyLatency excluding Permutation

Parallel: ScanWrite128PtrSimpleLoopScanWrite128PtrUnrollLoopScanRead128PtrSimpleLoopScanRead128PtrUnrollLoopScanWrite64PtrSimpleLoopScanWrite64PtrUnrollLoopScanRead64PtrSimpleLoopScanRead64PtrUnrollLoopScanWrite64IndexSimpleLoopScanWrite64IndexUnrollLoopScanRead64IndexSimpleLoopScanRead64IndexUnrollLoopScanWrite32PtrSimpleLoopScanWrite32PtrUnrollLoopScanRead32PtrSimpleLoopScanRead32PtrUnrollLoopPermRead64SimpleLoopPermRead64UnrollLoop BandwidthAccess TimeSpeedup