> What's more, I dug out a Cortex-A9 target (Atmel CycloneV board, operating > with single core only) and got this without armv4-mont.pl: > sign verify sign/s verify/s > rsa 2048 bits 0.127342s 0.003628s 7.9 275.6 > dsa 2048 bits 0.035971s 0.042778s 27.8 23.4 > > and this with armv4-mont.pl: > sign verify sign/s verify/s > rsa 2048 bits 0.172931s 0.005222s 5.8 191.5 > dsa 2048 bits 0.052565s 0.061350s 19.0 16.3
For reference, here is what I get on 1GHz Cortex-A9 Without armv4-mont: rsa 2048 bits 0.041590s 0.001116s 24.0 896.0 dsa 2048 bits 0.011574s 0.013831s 86.4 72.3 With armv4-mont, no NEON rsa 2048 bits 0.033003s 0.000954s 30.3 1048.4 dsa 2048 bits 0.009794s 0.011211s 102.1 89.2 NEON (recall that A9 is an odd-ball) rsa 2048 bits 0.034281s 0.000987s 29.2 1012.8 dsa 2048 bits 0.010163s 0.012027s 98.4 83.1 Here is 600MHz ARM11xx, an ARMv6 processor. Without armv4-mont: rsa 2048 bits 0.110889s 0.002923s 9.0 342.1 dsa 2048 bits 0.030182s 0.036533s 33.1 27.4 With armv4-mont: rsa 2048 bits 0.087895s 0.002569s 11.4 389.2 dsa 2048 bits 0.026412s 0.031384s 37.9 31.9 _______________________________________________ openssl-dev mailing list To unsubscribe: https://mta.openssl.org/mailman/listinfo/openssl-dev
