Implementation notes: ppc64, power9, crypto_aead/aeadaes128ocbtaglen128v1

Computer: power9
Architecture: ppc64
CPU ID: unknown CPU ID
SUPERCOP version: 20210326
Operation: crypto_aead
Primitive: aeadaes128ocbtaglen128v1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
32751	10384 42 0	38276 720 1312	`T:opt`	`gcc_-mcpu=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
32819	11300 42 0	39484 720 1312	`T:opt`	`gcc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
32920	8372 42 0	31000 696 1272	`T:opt`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
32972	8372 42 0	31000 696 1272	`T:opt`	`clang_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
32974	9076 42 0	35342 704 1272	`T:opt`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
33037	10384 42 0	38276 720 1312	`T:opt`	`gcc_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
33296	9796 42 0	38190 704 1280	`T:opt`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
33548	9076 42 0	35342 704 1272	`T:opt`	`clang_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
33878	19592 84 0	38190 704 1280	`T:opt`	`clang_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
39314	9344 42 0	36206 704 1280	`T:opt`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
41572	10328 42 0	36804 712 1296	`T:opt`	`gcc_-mcpu=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
41693	10328 42 0	36804 712 1296	`T:opt`	`gcc_-mcpu=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
41835	10492 42 0	37052 712 1296	`T:opt`	`gcc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
41847	10084 42 0	33230 696 1280	`T:opt`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
41859	10296 42 0	35440 712 1296	`T:opt`	`gcc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
41874	10228 42 0	35352 712 1296	`T:opt`	`gcc_-mcpu=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
41933	8644 42 0	32052 704 1288	`T:opt`	`gcc_-mcpu=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
41960	10228 42 0	35352 712 1296	`T:opt`	`gcc_-mcpu=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
42005	8644 42 0	32052 704 1288	`T:opt`	`gcc_-mcpu=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
42227	8780 42 0	32244 704 1288	`T:opt`	`gcc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
42844	10084 42 0	33230 696 1280	`T:opt`	`clang_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
253704	7260 0 0	35023 684 1232	`T:ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
253936	7260 0 0	32911 684 1224	`T:ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
255233	7484 0 0	33711 684 1232	`T:ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
257449	7260 0 0	32911 684 1224	`T:ref`	`clang_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
258998	14520 0 0	35023 684 1232	`T:ref`	`clang_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
281886	7796 0 0	35317 692 1264	`T:ref`	`gcc_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
282583	7168 0 0	34409 692 1264	`T:ref`	`gcc_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
282702	7168 0 0	34409 692 1264	`T:ref`	`gcc_-mcpu=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
304020	2624 0 0	24625 676 1224	`T:ref`	`clang_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
306776	2624 0 0	24625 676 1224	`T:ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
306933	4712 0 0	30557 692 1248	`T:ref`	`gcc_-mcpu=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
307075	4712 0 0	30557 692 1248	`T:ref`	`gcc_-mcpu=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
309170	4868 0 0	30785 692 1248	`T:ref`	`gcc_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
318526	2496 0 0	24905 676 1224	`T:ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
320444	2208 0 0	24953 684 1240	`T:ref`	`gcc_-mcpu=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
322113	2256 0 0	25081 684 1240	`T:ref`	`gcc_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
323646	2208 0 0	24953 684 1240	`T:ref`	`gcc_-mcpu=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
323872	2496 0 0	24905 676 1224	`T:ref`	`clang_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210422	20210326
329372	3052 0 0	27444 692 1240	`T:ref`	`gcc_-mcpu=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
329392	3116 0 0	27508 692 1240	`T:ref`	`gcc_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210422	20210326
329850	3052 0 0	27444 692 1240	`T:ref`	`gcc_-mcpu=native_-mtune=native_-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