Implementation notes: amd64, wintermute, crypto_core/salsa208

Computer: wintermute
Architecture: amd64
CPU ID: GenuineIntel-000306c3-bfebfbff
SUPERCOP version: 20140505
Operation: crypto_core
Primitive: salsa208

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
276	`ref`	`clang -O3`	20140508	20140505
276	`ref`	`clang -O3 -mavx`	20140508	20140505
276	`ref`	`clang -O3 -mavx2`	20140508	20140505
1852	`ref`	`cc`	20140508	20140505