Implementation notes: amd64, zen3, crypto_aead/elmd1000v2

Computer: zen3
Architecture: amd64
CPU ID: AuthenticAMD-00a20f10-178bfbff
SUPERCOP version: 20211108
Operation: crypto_aead
Primitive: elmd1000v2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
168674	27954 0 488	51294 892 1528	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
171001	27849 0 488	51062 892 1528	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
174563	27674 0 500	45310 868 1592	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
183077	28235 0 488	46390 892 1496	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
217252	17249 0 488	32420 884 1496	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
218318	18940 0 500	34670 868 1592	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
229709	19565 0 488	35006 892 1496	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
287400	18694 0 500	33805 860 1592	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
299868	17003 0 500	30973 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_elmd1000v2_ref_timingleaks_encrypt’:
encrypt.c: encrypt.c:94:9: warning: ‘process_AD’ accessing 16 bytes in a region of size 8 [-Wstringop-overflow=]
encrypt.c: 94 | process_AD(W, Delta_0, npub, param, ad, adlen);
encrypt.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:94:9: note: referencing argument 4 of type ‘unsigned char *’
encrypt.c: encrypt.c:17:13: note: in a call to function ‘process_AD’
encrypt.c: 17 | static void process_AD(
encrypt.c: | ^~~~~~~~~~
encrypt.c: encrypt.c: In function ‘crypto_aead_elmd1000v2_ref_timingleaks_decrypt’:
encrypt.c: encrypt.c:172:9: warning: ‘process_AD’ accessing 16 bytes in a region of size 8 [-Wstringop-overflow=]
encrypt.c: 172 | process_AD(W, Delta_0, npub, param, ad, adlen);
encrypt.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:172:9: note: referencing argument 4 of type ‘unsigned char *’
encrypt.c: encrypt.c:17:13: note: in a call to function ‘process_AD’
encrypt.c: 17 | 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