Implementation notes: armeabi, bblack, crypto_core/salsa20

Computer: bblack
Microarchitecture: armeabi; Cortex-A8 (413fc082)
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20221122
Operation: crypto_core
Primitive: salsa20

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
2158	380 0 0	7540 412 752	`armneon2`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221015	20221005
2160	380 0 0	11495 384 752	`armneon2`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2160	380 0 0	11455 384 760	`armneon2`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2160	380 0 0	11495 384 752	`armneon2`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2160	380 0 0	9834 380 752	`armneon2`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2160	380 0 0	7372 412 752	`armneon2`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221015	20221005
2160	380 0 0	7022 404 752	`armneon2`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221015	20221005
2170	380 0 0	8621 416 752	`armneon2`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221015	20221005
2186	380 0 0	20203 384 768	`armneon2`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2200	1104 0 0	8240 412 752	`ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221015	20221005
2220	428 0 0	20242 384 768	`armneon`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2250	1104 0 0	9321 416 752	`ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221015	20221005
2350	1228 0 0	12290 384 760	`ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2350	1228 0 0	21038 384 768	`ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2360	1228 0 0	12330 384 752	`ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2360	1228 0 0	12330 384 752	`ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2360	1228 0 0	10669 380 752	`ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20221015	20221005
2630	802 0 0	7421 404 752	`ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221015	20221005
2750	840 0 0	7824 412 752	`ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20221015	20221005

Compiler output

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

core.c: In file included from core.c:8:
core.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/arm_neon.h:28:2: error: "NEON support not enabled"
core.c: #error "NEON support not enabled"
core.c: ^
core.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/arm_neon.h:48:24: error: 'neon_vector_type' attribute is not supported for this target
core.c: typedef __attribute__((neon_vector_type(8))) int8_t int8x8_t;
core.c: ^
core.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/arm_neon.h:49:24: error: 'neon_vector_type' attribute is not supported for this target
core.c: typedef __attribute__((neon_vector_type(16))) int8_t int8x16_t;
core.c: ^
core.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/arm_neon.h:50:24: error: 'neon_vector_type' attribute is not supported for this target
core.c: typedef __attribute__((neon_vector_type(4))) int16_t int16x4_t;
core.c: ^
core.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/arm_neon.h:51:24: error: 'neon_vector_type' attribute is not supported for this target
core.c: typedef __attribute__((neon_vector_type(8))) int16_t int16x8_t;
core.c: ^
core.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/arm_neon.h:52:24: error: 'neon_vector_type' attribute is not supported for this target
core.c: typedef __attribute__((neon_vector_type(2))) int32_t int32x2_t;
core.c: ^
core.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/arm_neon.h:53:24: error: 'neon_vector_type' attribute is not supported for this target
core.c: typedef __attribute__((neon_vector_type(4))) int32_t int32x4_t;
core.c: ^
core.c: /usr/lib/llvm-7/lib/clang/7.0.1/include/arm_neon.h:54:24: error: 'neon_vector_type' attribute is not supported for this target
core.c: typedef __attribute__((neon_vector_type(1))) int64_t int64x1_t;
core.c: ^
core.c: ...

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

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

Compiler output

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

core.c: In file included from core.c:8:
core.c: core.c: In function 'crypto_core_salsa20_armneon_constbranchindex':
core.c: /usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:8866:1: error: inlining failed in call to always_inline 'vextq_u32': target specific option mismatch
core.c: vextq_u32 (uint32x4_t __a, uint32x4_t __b, const int __c)
core.c: ^~~~~~~~~
core.c: core.c:50:23: note: called from here
core.c: uint32x4_t start3 = vextq_u32(k2k3n3k7,k2k3n3k7,1);
core.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c: In file included from core.c:8:
core.c: /usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:8866:1: error: inlining failed in call to always_inline 'vextq_u32': target specific option mismatch
core.c: vextq_u32 (uint32x4_t __a, uint32x4_t __b, const int __c)
core.c: ^~~~~~~~~
core.c: core.c:49:23: note: called from here
core.c: uint32x4_t start2 = vextq_u32(n1n2k6k1,n1n2k6k1,1);
core.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c: In file included from core.c:8:
core.c: /usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:8866:1: error: inlining failed in call to always_inline 'vextq_u32': target specific option mismatch
core.c: vextq_u32 (uint32x4_t __a, uint32x4_t __b, const int __c)
core.c: ^~~~~~~~~
core.c: core.c:48:23: note: called from here
core.c: uint32x4_t start1 = vextq_u32(k4k5k0n0,k4k5k0n0,1);
core.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
core.c: In file included from core.c:8:
core.c: /usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:7192:1: error: inlining failed in call to always_inline 'vcombine_u32': target specific option mismatch
core.c: vcombine_u32 (uint32x2_t __a, uint32x2_t __b)
core.c: ...

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

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