Implementation notes: amd64, zen3, crypto_aead/elmd1000v1

Computer: zen3
Architecture: amd64
CPU ID: AuthenticAMD-00a20f10-178bfbff
SUPERCOP version: 20211108
Operation: crypto_aead
Primitive: elmd1000v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
169383	26818 0 976	50174 892 2008	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
170603	26713 0 976	49910 892 2008	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
171427	27198 0 1012	44822 868 2104	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
188414	27771 0 976	45926 892 2008	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
216826	19045 0 976	34486 892 2008	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
219385	18389 0 1012	34118 868 2104	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
219664	16783 0 976	31956 884 2008	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20220206	20211108
290404	18124 0 1012	33229 860 2104	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20220206	20211108
301356	16653 0 1012	30613 844 2072	`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_elmd1000v1_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_elmd1000v1_ref_timingleaks_decrypt’:
encrypt.c: encrypt.c:174:9: warning: ‘process_AD’ accessing 16 bytes in a region of size 8 [-Wstringop-overflow=]
encrypt.c: 174 | process_AD(W, Delta_0, npub, param, ad, adlen);
encrypt.c: | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
encrypt.c: encrypt.c:174:9: 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