Utilizing the Double-Precision Floating-Point Computing Power of GPUs for RSA Acceleration

Table 6

Performance of RSA decryption.

Model	Threads/RSA	Batch Size	Regs/Thread	Threads/Block	Throughput (ops/s)	Latency (ms)
RSA-2048	4 2	14 64	127	512	42,211	21.22
	8 2	14 32			34,400	13.02
	4 2	14 32	255	256	31,095	14.41
	8 2	14 16			20,744	10.80
RSA-3072	4 2	14 64	127	512	10,642	84.19
	8 2	14 32			12,151	36.86
	4 2	14 32	255	256	10,555	42.44
	8 2	14 16			8,393	26.69
RSA-4096	4 2	14 64	127	512	821	1092.00
	8 2	14 32			5,790	77.37
	4 2	14 32	255	256	4,022	111.39
	8 2	14 16			4,147	54.01