GNUTLS_CPUID_OVERRIDE does not have any impact on performance
Application uses GNUTLS 3.4.11 for handshake and security, development team measured about a 9 times increase in CPU consumption using the larger certificate key (from 1024 to 2048) ,tried with GNUTLS_CPUID_OVERRIDE=0x2 and 0x100000 not sure what is the next step . kindly help