Implementation notes: riscv64, hifiveunleashedriscv, crypto_sign/sphincss256sha256simple

Computer: hifiveunleashedriscv
Architecture: riscv64
CPU ID: unknown CPU ID
SUPERCOP version: 20191221
Operation: crypto_sign
Primitive: sphincss256sha256simple

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
19594939576	23579 0 0	36645 776 1608	`ref`	`gcc_-march=rv64gc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200102	20191221
21008961171	22408 0 0	34035 776 1608	`ref`	`gcc_-march=rv64gc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200102	20191221
22866947743	20338 0 0	31427 760 1608	`ref`	`gcc_-march=rv64gc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200102	20191221
23047978474	20560 0 0	31949 776 1608	`ref`	`gcc_-march=rv64gc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200102	20191221

Compiler output

Implementation: avx2
Security model: unknown
Compiler: gcc -march=rv64gc -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=rv64gc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=rv64gc -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=rv64gc -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=rv64gc -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2

Namespace violations

Implementation: ref
Security model: unknown
Compiler: gcc -march=rv64gc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

address.o addr_to_bytes T
address.o copy_keypair_addr T
address.o copy_subtree_addr T
address.o set_chain_addr T
address.o set_hash_addr T
address.o set_keypair_addr T
address.o set_layer_addr T
address.o set_tree_addr T
address.o set_tree_height T
address.o set_tree_index T
address.o set_type T
fors.o fors_pk_from_sig T
fors.o fors_sign T
hash_sha256.o gen_message_random T
hash_sha256.o hash_message T
hash_sha256.o initialize_hash_function T
hash_sha256.o prf_addr T
hash_sha256.o state_seeded C
sha256.o compress_address T
sha256.o mgf1 T
sha256.o seed_state T
sha256.o sha256 T
sha256.o sha256_inc_blocks T
sha256.o sha256_inc_finalize T
sha256.o sha256_inc_init T
sha256.o state_seeded C
sign.o crypto_sign_bytes T
sign.o crypto_sign_publickeybytes T
sign.o crypto_sign_secretkeybytes T
sign.o crypto_sign_seed_keypair T
sign.o crypto_sign_seedbytes T
sign.o crypto_sign_signature T
sign.o crypto_sign_verify T
thash_sha256_simple.o state_seeded C
thash_sha256_simple.o thash T
utils.o bytes_to_ull T
utils.o compute_root T
utils.o treehash T
utils.o ull_to_bytes T
wots.o wots_gen_pk T
wots.o wots_pk_from_sig T
wots.o wots_sign T

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

Compiler	Implementations
gcc -march=rv64gc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -march=rv64gc -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -march=rv64gc -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -march=rv64gc -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref