Implementation notes: armeabi, h2tegra, crypto_stream/salsa20

Computer: h2tegra
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20160806
Operation: crypto_stream
Primitive: salsa20

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
30083	`e/regs`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160803	20160731
31247	`e/ref`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160803	20160731
31700	`e/merged`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160803	20160731
31822	`e/merged`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160803	20160731
31863	`e/merged`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160803	20160731
32247	`e/merged`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160803	20160731
34718	`ref`	`gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv`	20160803	20160731
37810	`e/regs`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160803	20160731
40064	`e/regs`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160803	20160731
40124	`e/ref`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160803	20160731
41264	`ref`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160803	20160731
41340	`ref`	`gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv`	20160803	20160731
42050	`e/ref`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160803	20160731
43376	`ref`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160803	20160731
43447	`e/regs`	`gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv`	20160803	20160731
50000	`e/ref`	`gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv`	20160803	20160731

Test failure

Implementation: crypto_stream/salsa20/armneon3
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv

error 111

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	armneon3 armneon6
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	armneon3 armneon6
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	armneon3 armneon6
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	armneon3 armneon6

Compiler output

Implementation: crypto_stream/salsa20/armneon2
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv

xor.c: In file included from xor.c:8:0:
xor.c: /usr/lib/gcc/arm-linux-gnueabihf/4.7/include/arm_neon.h:32:2: error: #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
xor.c: xor.c: In function 'crypto_stream_salsa20_armneon2_xor':
xor.c: xor.c:20:3: error: unknown type name 'uint32x4_t'
xor.c: xor.c:20:3: warning: excess elements in scalar initializer [enabled by default]
xor.c: xor.c:20:3: warning: (near initialization for 'abab') [enabled by default]
xor.c: xor.c:20:3: warning: excess elements in scalar initializer [enabled by default]
xor.c: xor.c:20:3: warning: (near initialization for 'abab') [enabled by default]
xor.c: xor.c:20:3: warning: excess elements in scalar initializer [enabled by default]
xor.c: xor.c:20:3: warning: (near initialization for 'abab') [enabled by default]
xor.c: xor.c:21:3: error: unknown type name 'uint64x1_t'
xor.c: xor.c:22:3: error: unknown type name 'uint32x4_t'
xor.c: xor.c:22:26: error: 'uint32x4_t' undeclared (first use in this function)
xor.c: xor.c:22:26: note: each undeclared identifier is reported only once for each function it appears in
xor.c: xor.c:22:38: error: expected ',' or ';' before 'vld1q_u8'
xor.c: xor.c:23:14: error: expected ';' before 'k4k5k6k7'
xor.c: xor.c:24:14: error: expected ';' before 'start0'
xor.c: xor.c:25:3: error: unknown type name 'uint32x2_t'
xor.c: xor.c:25:22: error: 'uint32x2_t' undeclared (first use in this function)
xor.c: xor.c:25:34: error: expected ',' or ';' before 'vld1_u8'
xor.c: xor.c:26:14: error: expected ';' before 'n2n3'
xor.c: xor.c:27:14: error: expected ';' before 'k0k1'
xor.c: xor.c:28:14: error: expected ';' before 'k2k3'
xor.c: xor.c:29:14: error: expected ';' before 'k4k5'
xor.c: xor.c:30:14: error: expected ';' before 'k6k7'
xor.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv	armneon2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv	armneon2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv	armneon2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv	armneon2

Compiler output

Implementation: crypto_stream/salsa20/armneon
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv

xor.c: In file included from xor.c:8:0:
xor.c: /usr/lib/gcc/arm-linux-gnueabihf/4.7/include/arm_neon.h:32:2: error: #error You must enable NEON instructions (e.g. -mfloat-abi=softfp -mfpu=neon) to use arm_neon.h
xor.c: xor.c: In function 'crypto_stream_salsa20_armneon_xor':
xor.c: xor.c:20:3: error: unknown type name 'uint32x4_t'
xor.c: xor.c:20:3: warning: excess elements in scalar initializer [enabled by default]
xor.c: xor.c:20:3: warning: (near initialization for 'abab') [enabled by default]
xor.c: xor.c:20:3: warning: excess elements in scalar initializer [enabled by default]
xor.c: xor.c:20:3: warning: (near initialization for 'abab') [enabled by default]
xor.c: xor.c:20:3: warning: excess elements in scalar initializer [enabled by default]
xor.c: xor.c:20:3: warning: (near initialization for 'abab') [enabled by default]
xor.c: xor.c:21:3: error: unknown type name 'uint64x1_t'
xor.c: xor.c:22:3: error: unknown type name 'uint32x4_t'
xor.c: xor.c:22:26: error: 'uint32x4_t' undeclared (first use in this function)
xor.c: xor.c:22:26: note: each undeclared identifier is reported only once for each function it appears in
xor.c: xor.c:22:38: error: expected ',' or ';' before 'vld1q_u8'
xor.c: xor.c:23:14: error: expected ';' before 'k4k5k6k7'
xor.c: xor.c:24:14: error: expected ';' before 'start0'
xor.c: xor.c:25:3: error: unknown type name 'uint32x2_t'
xor.c: xor.c:25:22: error: 'uint32x2_t' undeclared (first use in this function)
xor.c: xor.c:25:34: error: expected ',' or ';' before 'vld1_u8'
xor.c: xor.c:26:14: error: expected ';' before 'n2n3'
xor.c: xor.c:27:14: error: expected ';' before 'k0k1'
xor.c: xor.c:28:14: error: expected ';' before 'k2k3'
xor.c: xor.c:29:14: error: expected ';' before 'k4k5'
xor.c: xor.c:30:14: error: expected ';' before 'k6k7'
xor.c: ...

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

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