Implementation notes: riscv64, riscvunleashed000, crypto_sign/ed25519

Computer: riscvunleashed000
Microarchitecture: riscv64; U54 (sifive,u54-mc)
Architecture: riscv64
CPU ID: unknown CPU ID
SUPERCOP version: 20240107
Operation: crypto_sign
Primitive: ed25519

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
3237646	51832 0 0	86406 792 1568	`ref10`	`gcc_-mcpu=sifive-u54_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240119	20231222
3238141	51832 0 0	84778 792 1568	`ref10`	`gcc_-mcpu=sifive-u54_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240119	20231222
3332729	48850 0 0	80866 776 1568	`ref10`	`gcc_-mcpu=sifive-u54_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240119	20231222
3451750	49346 0 0	81902 792 1568	`ref10`	`gcc_-mcpu=sifive-u54_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240119	20231222
3740266	51908 0 0	86365 792 1568	`ref10`	`clang_-march=rv64imafdc_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
3740445	51908 0 0	86365 792 1568	`ref10`	`clang_-march=rv64imafdc_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
3741055	54172 0 0	88281 792 1568	`ref10`	`clang_-march=rv64imafdc_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
3741252	54172 0 0	88281 792 1568	`ref10`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
3745696	50862 0 0	84023 784 1561	`ref10`	`clang_-march=rv64imafdc_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
54017296	131886 0 0	165941 792 1568	`ref`	`clang_-march=rv64imafdc_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
54021504	131886 0 0	165941 792 1568	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
81126722	122066 0 0	156477 792 1568	`ref`	`clang_-march=rv64imafdc_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
81130318	122066 0 0	156477 792 1568	`ref`	`clang_-march=rv64imafdc_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222
85386232	119470 0 0	152559 784 1561	`ref`	`clang_-march=rv64imafdc_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240119	20231222

Compiler output

Implementation: ref
Security model: constbranchindex
Compiler: gcc -mcpu=sifive-u54 -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(open.o): in function `.LANCHOR0':
try.c: open.c:(.rodata+0x0): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(sign.o):(.rodata+0x0): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: /usr/bin/ld: libcrypto_sign_ed25519.a(ge25519.o): in function `.LANCHOR0':
try.c: ge25519.c:(.rodata+0x1aa80): multiple definition of `crypto_sign_ed25519_ref_constbranchindex_ge25519_base'; libcrypto_sign_ed25519.a(keypair.o):(.rodata+0x0): first defined here
try.c: collect2: error: ld returned 1 exit status

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

Compiler	Implementations
gcc -mcpu=sifive-u54 -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -mcpu=sifive-u54 -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -mcpu=sifive-u54 -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -mcpu=sifive-u54 -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref