Implementation notes: amd64, scw1b63b1, crypto_aead/pi16cipher128v1

Computer: scw1b63b1
Architecture: amd64
CPU ID: GenuineIntel-000506f1-0f8bfbff
SUPERCOP version: 20191017
Operation: crypto_aead
Primitive: pi16cipher128v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
342620	111441 0 0	126772 808 1088	`optimized_nonSSE`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191216	20191017
526540	49858 0 0	65188 808 960	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191216	20191017
537726	80144 0 0	93299 800 1088	`optimized_nonSSE`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191216	20191017
615056	80786 0 0	93779 800 1088	`optimized_nonSSE`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191216	20191017
678696	32261 0 0	45427 800 960	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191216	20191017
689320	29247 0 0	42243 800 960	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191216	20191017
734626	81326 0 0	93159 784 1056	`optimized_nonSSE`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191216	20191017
754154	28478 0 0	40311 784 928	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191216	20191017

Test failure

Implementation: optimized_nonSSE
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

error 111
crypto_aead_decrypt returns nonzero

Number of similar (compiler,implementation) pairs: 10, namely:

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

Compiler output

Implementation: optimized_nonSSE
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

encrypt.c: encrypt.c:362:42: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c: ~~ ^
encrypt.c: encrypt.c:488:68: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: c[CRYPTO_NSECBYTES+b+i] = InternalState8[i1] = InternalState8[i1++] ^ m[b+i];
encrypt.c: ~~ ^
encrypt.c: encrypt.c:650:42: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c: ~~ ^
encrypt.c: 3 warnings generated.

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

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

Compiler output

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

encrypt.c: encrypt.c:248:42: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c: ~~ ^
encrypt.c: encrypt.c:374:68: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: c[CRYPTO_NSECBYTES+b+i] = InternalState8[i1] = InternalState8[i1++] ^ m[b+i];
encrypt.c: ~~ ^
encrypt.c: encrypt.c:536:42: warning: unsequenced modification and access to 'i1' [-Wunsequenced]
encrypt.c: InternalState8[i1] = InternalState8[i1++] ^ ad[b+i];
encrypt.c: ~~ ^
encrypt.c: 3 warnings generated.

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

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

Namespace violations

Implementation: optimized_nonSSE
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

encrypt.o Constant R
encrypt.o IS C
encrypt.o preCompConst R
encrypt.o preCompIS C

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

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

Namespace violations

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

encrypt.o Constant R
encrypt.o IS C

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

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