Implementation notes: amd64, zen3, crypto_aead/elmd101270v2

Computer: zen3
Architecture: amd64
CPU ID: AuthenticAMD-00a20f10-178bfbff
SUPERCOP version: 20211108
Operation: crypto_aead
Primitive: elmd101270v2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
171236	30268 0 488	53422 892 1528	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
172583	30084 0 488	53110 892 1528	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
175547	28442 0 500	46110 868 1592	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
219872	17629 0 488	32804 884 1496	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
221534	20180 0 488	35646 892 1496	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
245974	19320 0 500	35070 868 1592	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
291739	19059 0 500	34205 860 1592	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
295428	30642 0 488	48774 892 1496	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
300536	17293 0 500	31261 844 1560	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108

Compiler output

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

encrypt.c: encrypt.c: In function ‘crypto_aead_elmd101270v2_ref_timingleaks_encrypt’:
encrypt.c: encrypt.c:102:9: warning: ‘process_AD’ accessing 16 bytes in a region of size 8 [-Wstringop-overflow=]
encrypt.c: 102 | process_AD(W, Delta_0, npub, param, ad, adlen);
encrypt.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:102:9: note: referencing argument 4 of type ‘unsigned char *’
encrypt.c: encrypt.c:20:13: note: in a call to function ‘process_AD’
encrypt.c: 20 | static void process_AD(
encrypt.c: | ^~~~~~~~~~
encrypt.c: encrypt.c: In function ‘crypto_aead_elmd101270v2_ref_timingleaks_decrypt’:
encrypt.c: encrypt.c:189:9: warning: ‘process_AD’ accessing 16 bytes in a region of size 8 [-Wstringop-overflow=]
encrypt.c: 189 | process_AD(W, Delta_0, npub, param, ad, adlen);
encrypt.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:189:9: note: referencing argument 4 of type ‘unsigned char *’
encrypt.c: encrypt.c:20:13: note: in a call to function ‘process_AD’
encrypt.c: 20 | static void process_AD(
encrypt.c: | ^~~~~~~~~~

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

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