cryptopp

Commit Graph

Author	SHA1	Message	Date
Jeffrey Walton	6e829cebee	Use EPI8 Shuffle rather than Shifts and Or for rotate when R=8 Louis Wingers and Bryan Weeks from the Simon and Speck team offered the suggestion. The change save 0.7 cpb for Speck, and 5 cpb for Simon on x86_64. Speck is now running very close to the Team's time sor SSE4. Simon is still off, but we know the root cause. For Simon, the Team used a fast bit-sliced implementation	2017-11-29 08:53:48 -05:00
Jeffrey Walton	a29b36c197	Whitespace check-in	2017-11-27 01:51:27 -05:00
Jeffrey Walton	568e608ea6	Add NEON and ASIMD intrinsics for SPECK-128 (GH #539 ) Performance increased by about 200% on a 980 MHz BananaPi dev-board. Throughput went from about 176.6 cpb to about 60.3 cpb.	2017-11-27 00:36:45 -05:00

Author

SHA1

Message

Date

Jeffrey Walton

6e829cebee

Use EPI8 Shuffle rather than Shifts and Or for rotate when R=8

Louis Wingers and Bryan Weeks from the Simon and Speck team offered the suggestion. The change save 0.7 cpb for Speck, and 5 cpb for Simon on x86_64.
Speck is now running very close to the Team's time sor SSE4. Simon is still off, but we know the root cause. For Simon, the Team used a fast bit-sliced implementation

2017-11-29 08:53:48 -05:00

Jeffrey Walton

a29b36c197

Whitespace check-in

2017-11-27 01:51:27 -05:00

Jeffrey Walton

568e608ea6

Add NEON and ASIMD intrinsics for SPECK-128 (GH #539 )

Performance increased by about 200% on a 980 MHz BananaPi dev-board. Throughput went from about 176.6 cpb to about 60.3 cpb.

2017-11-27 00:36:45 -05:00

3 Commits (6e829cebeed19d5ec55655ee73de4e9d1e312736)