Implementation notes: amd64, gcc68, crypto_sign/edons128ref

Computer: gcc68
Architecture: amd64
CPU ID: AuthenticAMD-00800f82-178bfbff
SUPERCOP version: 20191221
Operation: crypto_sign
Primitive: edons128ref

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
3467072	39924 0 0	76526 920 4232	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191222	20191221
3605408	27055 0 0	63518 920 4232	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191222	20191221
3609344	27055 0 0	63518 920 4232	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191222	20191221
3621280	39538 0 0	76102 920 4232	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191222	20191221
3972032	46184 0 0	81452 928 4280	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191222	20191221
3986656	16931 0 0	50724 912 4232	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191222	20191221
4106784	39090 0 0	73827 936 4280	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191222	20191221
4458720	38195 0 0	72787 936 4280	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191222	20191221
5355648	16264 0 0	49995 928 4248	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191222	20191221

Compiler output

Implementation: ref
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

mpfq_2_128.c: mpfq_2_128.c:154:35: warning: passing 'char *' to parameter of type 'const unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
mpfq_2_128.c: int ret = mpn_set_str(zz, tmp, len, k->io_type);
mpfq_2_128.c: ^~~
mpfq_2_128.c: /home/djb/benchmarking/supercop-20191221/supercop-data/gcc68/amd64/include/gmp.h:1588:68: note: passing argument to parameter here
mpfq_2_128.c: __GMP_DECLSPEC mp_size_t mpn_set_str (mp_ptr, const unsigned char *, size_t, int);
mpfq_2_128.c: ^
mpfq_2_128.c: 1 warning generated.
sign.c: sign.c:815:63: warning: incompatible pointer types passing 'int (const unsigned long *, const unsigned long *)' to parameter of type '__compar_fn_t' (aka 'int (*)(const void *, const void *)') [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^~~~~~~
sign.c: /usr/include/stdlib.h:828:20: note: passing argument to parameter '__compar' here
sign.c: __compar_fn_t __compar) __nonnull ((1, 4));
sign.c: ^
sign.c: sign.c:566:83: warning: for loop has empty body [-Wempty-body]
sign.c: for(i=0; i<(1<<(mu + 1 + ErrorBasisDimension))+2; i++) Kinit(allcandidates[i]);
sign.c: ^
sign.c: sign.c:566:83: note: put the semicolon on a separate line to silence this warning
sign.c: sign.c:880:84: warning: for loop has empty body [-Wempty-body]
sign.c: for(i=0; i<(1<<(mu + 1 + ErrorBasisDimension))+2; i++) Kclear(allcandidates[i]);
sign.c: ^
sign.c: sign.c:880:84: note: put the semicolon on a separate line to silence this warning
sign.c: sign.c:975:63: warning: incompatible pointer types passing 'int (const unsigned long *, const unsigned long *)' to parameter of type '__compar_fn_t' (aka 'int (*)(const void *, const void *)') [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^~~~~~~
sign.c: /usr/include/stdlib.h:828:20: note: passing argument to parameter '__compar' here
sign.c: __compar_fn_t __compar) __nonnull ((1, 4));
sign.c: ^
sign.c: sign.c:934:83: warning: for loop has empty body [-Wempty-body]
sign.c: for(i=0; i<(1<<(mu + 1 + ErrorBasisDimension))+2; i++) Kinit(allcandidates[i]);
sign.c: ^
sign.c: sign.c:934:83: note: put the semicolon on a separate line to silence this warning
sign.c: 5 warnings generated.

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref

Compiler output

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

sign.c: sign.c: In function 'crypto_sign_edons128ref_ref':
sign.c: sign.c:815:63: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^~~~~~~
sign.c: In file included from sign.c:2:
sign.c: /usr/include/stdlib.h:828:20: note: expected '__compar_fn_t' {aka 'int (*)(const void *, const void *)'} but argument is of type 'int (*)(const long unsigned int *, const long unsigned int *)'
sign.c: __compar_fn_t __compar) __nonnull ((1, 4));
sign.c: ~~~~~~~~~~~~~~^~~~~~~~
sign.c: sign.c: In function 'crypto_sign_edons128ref_ref_open':
sign.c: sign.c:975:63: warning: passing argument 4 of 'qsort' from incompatible pointer type [-Wincompatible-pointer-types]
sign.c: qsort(allcandidates, NumberOfAllCandidates, sizeof(Kelt), compare);
sign.c: ^~~~~~~
sign.c: In file included from sign.c:2:
sign.c: /usr/include/stdlib.h:828:20: note: expected '__compar_fn_t' {aka 'int (*)(const void *, const void *)'} but argument is of type 'int (*)(const long unsigned int *, const long unsigned int *)'
sign.c: __compar_fn_t __compar) __nonnull ((1, 4));
sign.c: ~~~~~~~~~~~~~~^~~~~~~~

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

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

Namespace violations

Implementation: ref
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

gmp_export.o gmp_export T
gmp_import.o gmp_import T
mpfq_2_128.o mpfq_2_128_asprint T
mpfq_2_128.o mpfq_2_128_fprint T
mpfq_2_128.o mpfq_2_128_fscan T
mpfq_2_128.o mpfq_2_128_sscan T
rng.o AES256_CTR_DRBG_Update T
rng.o AES256_ECB T
rng.o DRBG_ctx C
rng.o handleErrors T
rng.o randombytes_init T
rng.o seedexpander T
rng.o seedexpander_init T
sign.o K C
sign.o PublicKey C
sign.o addcandidate T
sign.o compare T

Number of similar (compiler,implementation) pairs: 9, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	ref