Implementation notes: aarch64, warbear0, crypto_sign/sphincsf256sha256simple

Computer: warbear0
Architecture: aarch64
CPU ID: 411fd072
SUPERCOP version: 20200826
Operation: crypto_sign
Primitive: sphincsf256sha256simple

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
425613328	18197 0 0	38679 848 1648	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200831	20200826
511723168	17532 0 0	36911 848 1632	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200831	20200826
624285712	17268 0 0	36599 848 1632	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200831	20200826
707555664	16528 0 0	34775 832 1616	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200831	20200826

Compiler output

Implementation: T:avx2
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

hash_sha256x8.c: In file included from hash_sha256x8.c:10:
hash_sha256x8.c: sha256avx.h:3:10: fatal error: immintrin.h: No such file or directory
hash_sha256x8.c: 3 | #include "immintrin.h"
hash_sha256x8.c: | ^~~~~~~~~~~~~
hash_sha256x8.c: compilation terminated.

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:avx2