Implementation notes: ppc64, power9, crypto_aead/aeadaes256ocbtaglen128v1

Computer: power9
Architecture: ppc64
CPU ID: unknown CPU ID
SUPERCOP version: 20210326
Operation: crypto_aead
Primitive: aeadaes256ocbtaglen128v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
40194	10384 42 0	38340 720 1312	`T:opt`	`gcc_-mcpu=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
40216	10384 42 0	38340 720 1312	`T:opt`	`gcc_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
40376	9076 42 0	35406 704 1272	`T:opt`	`clang_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
40519	19592 84 0	38254 704 1280	`T:opt`	`clang_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
40540	11300 42 0	39548 720 1312	`T:opt`	`gcc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
40562	9796 42 0	38254 704 1280	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
40658	8372 42 0	31064 696 1272	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
40830	9076 42 0	35406 704 1272	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
41007	8372 42 0	31064 696 1272	`T:opt`	`clang_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
49082	10084 42 0	33294 696 1280	`T:opt`	`clang_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
49275	10084 42 0	33294 696 1280	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
49426	9344 42 0	36238 704 1280	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
51630	10328 42 0	36868 712 1296	`T:opt`	`gcc_-mcpu=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
51690	10492 42 0	37116 712 1296	`T:opt`	`gcc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
51867	8644 42 0	32116 704 1288	`T:opt`	`gcc_-mcpu=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
51882	10228 42 0	35416 712 1296	`T:opt`	`gcc_-mcpu=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
52011	8780 42 0	32308 704 1288	`T:opt`	`gcc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
52186	10328 42 0	36868 712 1296	`T:opt`	`gcc_-mcpu=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
52431	10296 42 0	35504 712 1296	`T:opt`	`gcc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
53011	10228 42 0	35416 712 1296	`T:opt`	`gcc_-mcpu=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
53271	8644 42 0	32116 704 1288	`T:opt`	`gcc_-mcpu=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
329485	7260 0 0	32975 684 1224	`T:ref`	`clang_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
329894	7260 0 0	35087 684 1232	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
330504	7260 0 0	32975 684 1224	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
330992	7484 0 0	33743 684 1232	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
331008	14520 0 0	35087 684 1232	`T:ref`	`clang_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
366423	7168 0 0	34473 692 1264	`T:ref`	`gcc_-mcpu=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
366427	7168 0 0	34473 692 1264	`T:ref`	`gcc_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
366540	7796 0 0	35381 692 1264	`T:ref`	`gcc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
381586	4712 0 0	30621 692 1248	`T:ref`	`gcc_-mcpu=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
382204	4712 0 0	30621 692 1248	`T:ref`	`gcc_-mcpu=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
382873	4868 0 0	30849 692 1248	`T:ref`	`gcc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
384886	2624 0 0	24689 676 1224	`T:ref`	`clang_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
386102	2624 0 0	24689 676 1224	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
394234	2496 0 0	24969 676 1224	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
394352	2256 0 0	25145 684 1240	`T:ref`	`gcc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
394705	2496 0 0	24969 676 1224	`T:ref`	`clang_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
395696	2208 0 0	25017 684 1240	`T:ref`	`gcc_-mcpu=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
395824	2208 0 0	25017 684 1240	`T:ref`	`gcc_-mcpu=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
403974	3052 0 0	27508 692 1240	`T:ref`	`gcc_-mcpu=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
404153	3052 0 0	27508 692 1240	`T:ref`	`gcc_-mcpu=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
409368	3116 0 0	27572 692 1240	`T:ref`	`gcc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326

Compiler output

Implementation: T:vaes
Security model: timingleaks
Compiler: clang -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

Number of similar (compiler,implementation) pairs: 8, namely:

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

Compiler output

Implementation: T:vaes
Security model: timingleaks
Compiler: clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:15:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/mmintrin.h:31:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: #error \
ocb_vaes.c: ^
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:20:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/xmmintrin.h:31:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: #error "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: ^
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:20:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/xmmintrin.h:56:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/mmintrin.h:31:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: #error \
ocb_vaes.c: ^
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:25:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/emmintrin.h:32:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: #error "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: ^
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:25:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/emmintrin.h:43:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/xmmintrin.h:31:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: ...
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:15:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/mmintrin.h:31:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: #error \
ocb_vaes.c: ^
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:20:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/xmmintrin.h:31:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: #error "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: ^
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:20:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/xmmintrin.h:56:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/mmintrin.h:31:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: #error \
ocb_vaes.c: ^
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:25:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/emmintrin.h:32:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: #error "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: ^
ocb_vaes.c: In file included from ocb_vaes.c:71:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/immintrin.h:25:
ocb_vaes.c: In file included from /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/emmintrin.h:43:
ocb_vaes.c: /usr/lib/llvm-11/lib/clang/11.0.0/include/ppc_wrappers/xmmintrin.h:31:2: error: "Please read comment above. Use -DNO_WARN_X86_INTRINSICS to disable this error."
ocb_vaes.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:vaes

Compiler output

Implementation: T:vaes
Security model: timingleaks
Compiler: gcc -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

ocb_vaes.c: ocb_vaes.c:71:10: fatal error: immintrin.h: No such file or directory
ocb_vaes.c: 71 | #include <immintrin.h>
ocb_vaes.c: | ^~~~~~~~~~~~~
ocb_vaes.c: compilation terminated.

Number of similar (compiler,implementation) pairs: 12, namely:

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

Namespace violations

Implementation: T:opt
Security model: timingleaks
Compiler: clang -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

ocb.o ae_allocate T
ocb.o ae_clear T
ocb.o ae_ctx_sizeof T
ocb.o ae_decrypt T
ocb.o ae_encrypt T
ocb.o ae_free T
ocb.o ae_init T
ocb.o gen_offset T
ocb.o infoString D

Number of similar (compiler,implementation) pairs: 20, namely:

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

Namespace violations

Implementation: T:opt
Security model: timingleaks
Compiler: clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

ocb.o ae_allocate T
ocb.o ae_allocate T
ocb.o ae_clear T
ocb.o ae_clear T
ocb.o ae_ctx_sizeof T
ocb.o ae_ctx_sizeof T
ocb.o ae_decrypt T
ocb.o ae_decrypt T
ocb.o ae_encrypt T
ocb.o ae_encrypt T
ocb.o ae_free T
ocb.o ae_free T
ocb.o ae_init T
ocb.o ae_init T
ocb.o gen_offset T
ocb.o gen_offset T
ocb.o infoString D
ocb.o infoString D

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:opt

Namespace violations

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

encrypt.o ocb_decrypt T
encrypt.o ocb_encrypt T

Number of similar (compiler,implementation) pairs: 20, namely:

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

Namespace violations

Implementation: T:ref
Security model: timingleaks
Compiler: clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

encrypt.o ocb_decrypt T
encrypt.o ocb_decrypt T
encrypt.o ocb_encrypt T
encrypt.o ocb_encrypt T

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	T:ref