Intel Xeon E5-2670v3 256GB - Parallel Memory Bandwidth Measurement Results

CPU: 2 × Intel Xeon E5-2670 v3 (Haswell), 2300 MHz (cpu-world) 2 × (12 cores, 12 HT cores), 64 bit, AVX2 instructions

Memory: 2 × 12 × 32 KiB L1 D/I cache 2 × 12 × 256 KiB L2 cache 2 × 30 MiB L3 shared cache 256 GiB, 2 × 4ch DDR3-2133 RAM

Dates: CPU released 2014-09-08, tested 2014-10-10 gnuplot PDF or raw stats

Charts

Sequential: BandwidthLatencyLatency excluding Permutation

Parallel: ScanWrite256PtrSimpleLoopScanWrite256PtrUnrollLoopScanRead256PtrSimpleLoopScanRead256PtrUnrollLoopScanWrite128PtrSimpleLoopScanWrite128PtrUnrollLoopScanRead128PtrSimpleLoopScanRead128PtrUnrollLoopScanWrite64PtrSimpleLoopScanWrite64PtrUnrollLoopScanRead64PtrSimpleLoopScanRead64PtrUnrollLoopScanWrite64IndexSimpleLoopScanWrite64IndexUnrollLoopScanRead64IndexSimpleLoopScanRead64IndexUnrollLoopScanWrite32PtrSimpleLoopScanWrite32PtrUnrollLoopScanRead32PtrSimpleLoopScanRead32PtrUnrollLoopPermRead64SimpleLoopPermRead64UnrollLoop BandwidthAccess TimeSpeedup