Fontes Fintech

Why NIC Offload and Kernel Networking Matter in Low-Latency Trading SystemsTrading Engineering — Deep Dive #7In the previous articles, we examined CPU Cache, False Sharing, CPU Affinity, NUMA, Polling, Interrupts, and Network Latency.All of these topics eventually lead to one important component:The Network Interface Card — NIC.In a low-latency trading system, the NIC is not simply a device that..

Why False Sharing Matters in Multithreaded Low-Latency SystemsTrading Engineering — Deep Dive #2Understanding CPU Cache is not enough to build a low-latency trading system.Even when data is already in the CPU cache, performance can be significantly affected by how that data is laid out and accessed by multiple threads.One of the most important examples is False Sharing.False Sharing occurs when ..