AMD Ryzen Threadripper 3955WX 128GB - Parallel Memory Bandwidth Measurement Results

CPU: AMD Ryzen Threadripper 3955WX (Zen 2/Castle Peak), 3900 MHz (cpu-world) 1 × 16 cores, HT disabled, 64 bit, AVX2 instructions

Memory: 16 × 32 KiB I, 16 × 32 KiB D L1 cache 16 × 512 KiB L2 cache 4 × 16 MiB L3 shared cache 128 GiB, 8ch DDR4-3200 RAM

Dates: CPU released 2020-07-14, tested 2022-09-17 gnuplot PDF or raw stats

Charts

Sequential: BandwidthLatencyLatency excluding Permutation

Parallel: ScanWrite256PtrSimpleLoopScanWrite256PtrUnrollLoopScanRead256PtrSimpleLoopScanRead256PtrUnrollLoopScanWrite128PtrSimpleLoopScanWrite128PtrUnrollLoopScanRead128PtrSimpleLoopScanRead128PtrUnrollLoopScanWrite64PtrSimpleLoopScanWrite64PtrUnrollLoopScanRead64PtrSimpleLoopScanRead64PtrUnrollLoopScanWrite64IndexSimpleLoopScanWrite64IndexUnrollLoopScanRead64IndexSimpleLoopScanRead64IndexUnrollLoopScanWrite32PtrSimpleLoopScanWrite32PtrUnrollLoopScanRead32PtrSimpleLoopScanRead32PtrUnrollLoopPermRead64SimpleLoopPermRead64UnrollLoop BandwidthAccess TimeSpeedup