Implementation notes: amd64, margaux, crypto_sign/sflashv2

Computer: margaux
Microarchitecture: amd64; C2 65nm (6fb)
Architecture: amd64
CPU ID: GenuineIntel-000006fb-bfebfbff
SUPERCOP version: 20221122
Operation: crypto_sign
Primitive: sflashv2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
355345	51868 0 0	71426 852 1736	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210510	20210423
355755	47465 0 0	68194 852 1736	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210510	20210423
356599	51868 0 0	71426 852 1736	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210510	20210423
360552	49948 0 0	70834 852 1736	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210510	20210423
389936	44230 0 0	65864 868 1768	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210510	20210423
406503	31731 0 0	51048 868 1768	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210510	20210423
407846	29014 0 0	46632 844 1736	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210510	20210423
469134	31171 0 0	50288 868 1768	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210510	20210423
523064	28465 0 0	46592 860 1736	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210510	20210423

Compiler output

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

lib_flash.c: lib_flash.c:409:50: warning: '/*' within block comment [-Wcomment]
lib_flash.c: init_table_flash(CK->M,/*CK->I,*/CK->M1/*,CK->M2/* /*,CK->M3*/);
lib_flash.c: ^
lib_flash.c: lib_flash.c:409:53: warning: '/*' within block comment [-Wcomment]
lib_flash.c: init_table_flash(CK->M,/*CK->I,*/CK->M1/*,CK->M2/* /*,CK->M3*/);
lib_flash.c: ^
lib_flash.c: lib_flash.c:690:3: warning: '/*' within block comment [-Wcomment]
lib_flash.c: /*mis <E0> la puissance 2^7^22 de tmp
lib_flash.c: ^
lib_flash.c: lib_flash.c:692:3: warning: '/*' within block comment [-Wcomment]
lib_flash.c: /*
lib_flash.c: ^
lib_flash.c: lib_flash.c:695:4: warning: '/*' within block comment [-Wcomment]
lib_flash.c: /* inversion affine de S*/
lib_flash.c: ^
lib_flash.c: lib_flash.c:910:34: warning: illegal character encoding in string literal [-Winvalid-source-encoding]
lib_flash.c: printf("Erreur de fichier de cl<82> publique: '%s'\n",fichier);
lib_flash.c: ^~~~
lib_flash.c: lib_flash.c:1016:34: warning: illegal character encoding in string literal [-Winvalid-source-encoding]
lib_flash.c: printf("Erreur de fichier de cl<82> secr<8A>te: '%s'\n",fichier);
lib_flash.c: ^~~~ ~~~~
lib_flash.c: 7 warnings generated.
table_flash.c: table_flash.c:25:8: warning: ^ has lower precedence than <; < will be evaluated first [-Wparentheses]
table_flash.c: if( x^P < x)
table_flash.c: ^~~~~~
table_flash.c: table_flash.c:25:8: note: place parentheses around the '<' expression to silence this warning
table_flash.c: if( x^P < x)
table_flash.c: ^
table_flash.c: ( )
table_flash.c: table_flash.c:25:8: note: place parentheses around the ^ expression to evaluate it first
table_flash.c: if( x^P < x)
table_flash.c: ^
table_flash.c: ( )
table_flash.c: 1 warning generated.

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

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

Compiler output

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

lib_flash.c: lib_flash.c: In function 'Flash_load_public_key':
lib_flash.c: lib_flash.c:913:2: warning: ignoring return value of 'fread', declared with attribute warn_unused_result [-Wunused-result]
lib_flash.c: fread(key,1,19266,in);
lib_flash.c: ^~~~~~~~~~~~~~~~~~~~~
lib_flash.c: lib_flash.c: In function 'Flash_load_private_key':
lib_flash.c: lib_flash.c:1019:2: warning: ignoring return value of 'fread', declared with attribute warn_unused_result [-Wunused-result]
lib_flash.c: fread(key,1,2823,in);
lib_flash.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

Namespace violations

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

lib_flash.o Bij_Aff T
lib_flash.o Flash_build_complete_key T
lib_flash.o Flash_complete2private T
lib_flash.o Flash_complete2public T
lib_flash.o Flash_decrypt T
lib_flash.o Flash_encrypt T
lib_flash.o Flash_load2_private_key T
lib_flash.o Flash_load2_public_key T
lib_flash.o Flash_load_private_key T
lib_flash.o Flash_load_public_key T
lib_flash.o Flash_sign T
lib_flash.o Flash_sign2 T
lib_flash.o Flash_store2_private_key T
lib_flash.o Flash_store2_public_key T
lib_flash.o Flash_store_private_key T
lib_flash.o Flash_verify T
lib_flash.o Flash_verify2 T
lib_flash.o add37 T
lib_flash.o bit T
lib_flash.o exponent T
lib_flash.o format_message1 T
lib_flash.o format_message2 T
lib_flash.o inv_affine T
lib_flash.o lineaire T
lib_flash.o load_bit T
lib_flash.o mul37 T
lib_flash.o nextbit T
lib_flash.o priv_pub T
lib_flash.o quadratic T
lib_flash.o sqsq37 T
lib_flash.o store_bit T
table_flash.o build_M T
table_flash.o build_MM T
table_flash.o init_table_flash T
table_flash.o mult2 T

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

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