Intel Xeon E5-2670 64GB - Parallel Memory Bandwidth Measurement Results

CPU: 2 × Intel Xeon E5-2670 (Sandy Bridge), 2600 MHz (cpu-world) 2 × (8 cores, 8 HT cores), 64 bit, AVX instructions

Memory: 2 × 8 × 32 KiB L1 D/I cache 2 × 8 × 256 KiB L2 cache 2 × 20 MiB L3 shared cache 16 GiB, 2 × 4ch DDR3-1600 RAM

Dates: CPU released 2012-03-06, tested 2013-05-30 gnuplot PDF or raw stats

Charts

Sequential: BandwidthLatencyLatency excluding Permutation

Parallel: ScanWrite256PtrSimpleLoopScanWrite256PtrUnrollLoopScanRead256PtrSimpleLoopScanRead256PtrUnrollLoopScanWrite128PtrSimpleLoopScanWrite128PtrUnrollLoopScanRead128PtrSimpleLoopScanRead128PtrUnrollLoopScanWrite64PtrSimpleLoopScanWrite64PtrUnrollLoopScanRead64PtrSimpleLoopScanRead64PtrUnrollLoopScanWrite64IndexSimpleLoopScanWrite64IndexUnrollLoopScanRead64IndexSimpleLoopScanRead64IndexUnrollLoopScanWrite32PtrSimpleLoopScanWrite32PtrUnrollLoopScanRead32PtrSimpleLoopScanRead32PtrUnrollLoopPermRead64SimpleLoopPermRead64UnrollLoop BandwidthAccess TimeSpeedup