Implementation notes: amd64, utrecht, crypto_hash/skein256256

Computer: utrecht
Architecture: amd64
CPU ID: GenuineIntel-000006fb-bfebfbff
SUPERCOP version: 20160806
Operation: crypto_hash
Primitive: skein256256

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
13140	`x64`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160804	20160731
13140	`x64`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160804	20160731
13140	`x64`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160804	20160731
13500	`x64`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160804	20160731
14031	`opt`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160804	20160731
14211	`opt`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160804	20160731
14274	`opt`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160804	20160731
14562	`opt`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160804	20160731

Compiler output

Implementation: crypto_hash/skein256256/x64
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv

skein_block_x64.S: skein_block_x64.S:336:61: warning: trigraph ??) ignored, use -trigraphs to enable [-Wtrigraphs]
skein_block_x64.S: addq $LOCAL_SIZE,%rsp #get rid of locals (wipe??)
skein_block_x64.S: ^

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	x64
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	x64
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	x64
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	x64