Implementation notes: amd64, hiphop, crypto_scalarmult/nistp256

Computer: hiphop
Microarchitecture: amd64; Haswell+AES (306c3)
Architecture: amd64
CPU ID: GenuineIntel-000306c3-bfebfbff
SUPERCOP version: 20231107
Operation: crypto_scalarmult
Primitive: nistp256

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
2533471	17477 30720 0	40200 31596 1728	`T:mj32`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
2697354	16897 30720 0	41008 31596 1760	`T:mj32`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
2699010	12881 30720 0	36728 31596 1760	`T:mj32`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
3444382	10188 30720 0	31730 31588 1792	`T:mj32`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
3931742	11520 30720 0	32376 31596 1728	`T:mj32`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20231107	20231107
5328808	10858 30720 0	30885 31532 1760	`T:mj32`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107
8011887	12188 30720 0	33469 31540 1792	`T:mj32`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20231107	20231107

Compiler output

Implementation: T:mj32
Security model: timingleaks
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

gep256.c: gep256.c:83:28: warning: sizeof on array function parameter will return size of 'fe *' (aka 'unsigned int (*)[8]') instead of 'gep256' (aka 'unsigned int[3][8]') [-Wsizeof-array-argument]
gep256.c: for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c: ^
gep256.c: gep256.c:78:29: note: declared here
gep256.c: static int isneutral(gep256 p) {
gep256.c: ^
gep256.c: gep256.c:92:28: warning: sizeof on array function parameter will return size of 'fe *' (aka 'unsigned int (*)[8]') instead of 'gep256_precomp' (aka 'unsigned int[2][8]') [-Wsizeof-array-argument]
gep256.c: for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c: ^
gep256.c: gep256.c:87:45: note: declared here
gep256.c: static int isneutral_precomp(gep256_precomp p) {
gep256.c: ^
gep256.c: 2 warnings generated.

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

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:mj32
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:mj32
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:mj32
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:mj32
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:mj32

Compiler output

Implementation: T:mj32
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

gep256.c: gep256.c: In function 'isneutral':
gep256.c: gep256.c:83:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8]' {aka 'unsigned int (*)[8]'} [-Wsizeof-array-argument]
gep256.c: 83 | for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c: | ^
gep256.c: gep256.c:78:29: note: declared here
gep256.c: 78 | static int isneutral(gep256 p) {
gep256.c: | ~~~~~~~^
gep256.c: gep256.c: In function 'isneutral_precomp':
gep256.c: gep256.c:92:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8]' {aka 'unsigned int (*)[8]'} [-Wsizeof-array-argument]
gep256.c: 92 | for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c: | ^
gep256.c: gep256.c:87:45: note: declared here
gep256.c: 87 | static int isneutral_precomp(gep256_precomp p) {
gep256.c: | ~~~~~~~~~~~~~~~^
try.c: /usr/bin/ld: error in /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_verify_32_ref_constbranchindex-verify.o)(.eh_frame); no .eh_frame_hdr table will be created
try.c: /usr/bin/ld: error in /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_rng_chacha20_ref_constbranchindex-rng.o)(.eh_frame); no .eh_frame_hdr table will be created
try.c: /usr/bin/ld: error in /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_stream_chacha20_moon_avx2_64_constbranchindex-crypto_stream.o)(.eh_frame); no .eh_frame_hdr table will be created
try.c: /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_verify_32_ref_constbranchindex-verify.o):(.eh_frame+0x20): relocation truncated to fit: R_X86_64_PC32 against `*UND*'
try.c: /usr/bin/ld: /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_rng_chacha20_ref_constbranchindex-rng.o): invalid string offset 2336805137 >= 203 for section `.strtab'
try.c: /usr/bin/ld: /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_rng_chacha20_ref_constbranchindex-rng.o): invalid string offset 2336805137 >= 203 for section `.strtab'
try.c: collect2: error: ld returned 1 exit status

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:mj32

Compiler output

Implementation: T:mj32
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

gep256.c: gep256.c: In function 'isneutral':
gep256.c: gep256.c:83:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8]' {aka 'unsigned int (*)[8]'} [-Wsizeof-array-argument]
gep256.c: 83 | for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c: | ^
gep256.c: gep256.c:78:29: note: declared here
gep256.c: 78 | static int isneutral(gep256 p) {
gep256.c: | ~~~~~~~^
gep256.c: gep256.c: In function 'isneutral_precomp':
gep256.c: gep256.c:92:28: warning: 'sizeof' on array function parameter 'p' will return size of 'crypto_uint32 (*)[8]' {aka 'unsigned int (*)[8]'} [-Wsizeof-array-argument]
gep256.c: 92 | for (i = 0; i < sizeof p; ++i) x |= ((unsigned char *)p)[i];
gep256.c: | ^
gep256.c: gep256.c:87:45: note: declared here
gep256.c: 87 | static int isneutral_precomp(gep256_precomp p) {
gep256.c: | ~~~~~~~~~~~~~~~^
try.c: /usr/bin/ld: error in /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_verify_32_ref_constbranchindex-verify.o)(.eh_frame); no .eh_frame_hdr table will be created
try.c: /usr/bin/ld: error in /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_rng_chacha20_ref_constbranchindex-rng.o)(.eh_frame); no .eh_frame_hdr table will be created
try.c: /usr/bin/ld: error in /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_stream_chacha20_moon_avx2_64_constbranchindex-crypto_stream.o)(.eh_frame); no .eh_frame_hdr table will be created
try.c: /usr/bin/ld: /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_verify_32_ref_constbranchindex-verify.o): invalid string offset 1868770816 >= 124 for section `.strtab'
try.c: /usr/bin/ld: /home/djb/benchmarking/supercop-20231107/supercop-data/hiphop/amd64/lib/libsupercop.a(crypto_verify_32_ref_constbranchindex-verify.o): invalid string offset 1868770816 >= 124 for section `.strtab'
try.c: collect2: error: ld returned 1 exit status

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:mj32

Compiler output

Implementation: T:mj32
Security model: timingleaks
Compiler: gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE

Number of similar (compiler,implementation) pairs: 2, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:mj32
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	T:mj32