Implementation notes: riscv64, riscvunleashed000, crypto_kem/threebears936r2cpa

Computer: riscvunleashed000
Microarchitecture: riscv64; U54 (sifive,u54-mc)
Architecture: riscv64
CPU ID: unknown CPU ID
SUPERCOP version: 20240107
Operation: crypto_kem
Primitive: threebears936r2cpa

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
23807434	10538 0 0	25128 792 1544	`ref`	`gcc_-mcpu=sifive-u54_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240206	20231222
24118761	10809 0 0	25306 800 1544	`ref`	`clang_-march=rv64imafdc_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240206	20231222
24119216	10809 0 0	25306 800 1544	`ref`	`clang_-march=rv64imafdc_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240206	20231222
24262930	11299 0 0	26174 800 1544	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240206	20231222
24263815	11299 0 0	26174 800 1544	`ref`	`clang_-march=rv64imafdc_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240206	20231222
29435317	5152 0 0	18260 792 1537	`ref`	`clang_-march=rv64imafdc_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20240206	20231222
30474167	5552 0 0	17870 776 1544	`ref`	`gcc_-mcpu=sifive-u54_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240206	20231222
31211218	5998 0 0	18856 792 1544	`ref`	`gcc_-mcpu=sifive-u54_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240206	20231222
32064411	6976 0 0	19974 792 1544	`ref`	`gcc_-mcpu=sifive-u54_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20240206	20231222

Compiler output

Implementation: lowmem
Security model: constbranchindex
Compiler: clang -march=rv64imafdc -mtune=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

shake.c: In file included from shake.c:3:
shake.c: ./shake.h:3:10: fatal error: 'libkeccak.a.headers/KeccakP-1600-SnP.h' file not found
shake.c: #include <libkeccak.a.headers/KeccakP-1600-SnP.h>
shake.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
shake.c: 1 error generated.

Number of similar (compiler,implementation) pairs: 15, namely:

Compiler	Implementations
clang -march=rv64imafdc -mtune=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	lowmem
clang -march=rv64imafdc -mtune=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	lowmem
clang -march=rv64imafdc -mtune=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	lowmem
clang -march=rv64imafdc -mtune=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	lowmem
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	lowmem
clang -march=rv64imafdc -mtune=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	opt
clang -march=rv64imafdc -mtune=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	opt
clang -march=rv64imafdc -mtune=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	opt
clang -march=rv64imafdc -mtune=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	opt
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	opt
clang -march=rv64imafdc -mtune=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	vec
clang -march=rv64imafdc -mtune=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	vec
clang -march=rv64imafdc -mtune=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	vec
clang -march=rv64imafdc -mtune=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	vec
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	vec

Compiler output

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

shake.c: In file included from shake.c:3:
shake.c: shake.h:3:10: fatal error: libkeccak.a.headers/KeccakP-1600-SnP.h: No such file or directory
shake.c: 3 | #include <libkeccak.a.headers/KeccakP-1600-SnP.h>
shake.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
shake.c: compilation terminated.

Number of similar (compiler,implementation) pairs: 12, namely:

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