內存帶寬、延遲性能測試
華為FusionServer?2488H?V5服務器主板集成了48個內存插槽，但送測機器配備有限。由于送測機型整合了四通道內存控制器，這樣使得平臺的內存帶寬得到了明顯的提升。
SiSoftware?Sandra?Lite?2011中提供了內存帶寬、內存延遲和緩存性能的測試，我們繼續用這個工具來考量華為FusionServer?2488H?V5服務器的內存性能：SiSoftware
Sandra
Lite?2011內存測試內存帶寬測試(越高越好)Aggregate?Memory?Performance7.33GB/s
Int?Buff'd?AVX?128?Memory?Bandwidth7.34GB/s
Float?Buff'd?128?AVX?Memory?Bandwidth7.33GB/s
內存延時測試(隨機)Memory(Random?Access)?Latency(越低越好)76.8ns
Speed?Factor(越低越好)57.40
Internal?Data?Cache3clocks
L2?On-board?Cache11clocks
L3?On-board?Cache62clocks
內存延時測試(線性)Memory(Linear?Access)?Latency(越低越好)6.2ns
Speed?Factor(越低越好)4.6
Internal?Data?Cache3clocks
L2?On-board?Cache9clocks
L3?On-board?Cache11clocks
緩存及內存測試Cache/Memory?Bandwidth(越高越好)50.26GB/s
Speed?Factor(越低越好)22.70
2488H?V5有48個DDR4?DIMM接口，每個處理器內部集成了4個內存通道。送測的華為FusionServer?2488H?V5服務器配置了8條內存，內存延遲和緩存能力表現不錯，用戶追求更高的內存帶寬，實現了內存控制器有效提升。
