An oft-requested feature is the ability to use multiple processor cores when using VPN and software blades (e.g. for Next Generation Threat Prevention) or with route-based VPNs (VTIs). This feature was added in the R80.10 and should significantly improve performance in these situations. The feature is enabled by default.
More details in SecureKnowledge: MultiCore Support for IPsec VPN in R80.10 and above