Implementation notes: armeabi, rpi3b, crypto_stream/chacha20

Computer: rpi3b
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20191221
Operation: crypto_stream
Primitive: chacha20

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
46064	2480 0 4	13831 416 744	`e/merged`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
48626	3128 0 4	17684 428 752	`e/regs`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
48751	3112 0 4	17668 428 752	`e/ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
52190	3008 0 4	14999 424 752	`e/merged`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
52439	3960 0 4	18516 428 752	`e/merged`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
59565	3976 0 1	19406 428 776	`e/merged`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200107	20191221
60626	2844 0 4	14831 424 752	`e/regs`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
64877	3560 0 4	15631 424 752	`e/merged`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
68062	2808 0 1	18234 428 776	`e/ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200107	20191221
73250	3076 0 1	18498 428 776	`e/regs`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200107	20191221
77126	2112 0 4	14103 424 752	`e/ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
78375	2808 0 4	14879 424 752	`e/regs`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
80939	2272 0 4	13619 416 744	`e/regs`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
82564	2308 0 4	14383 424 752	`e/ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
88752	1672 0 4	13019 416 744	`e/ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
100252	8724 0 4	20819 424 752	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
110252	7812 0 4	19175 416 744	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
124440	10236 0 4	22243 424 752	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
131003	17100 0 4	29195 424 752	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
133440	11292 0 4	25872 428 752	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
144253	16480 0 4	27847 416 744	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
144440	20092 0 4	32099 424 752	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221
146065	21280 0 4	35856 428 752	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200107	20191221

Compiler output

Implementation: dolbeau/arm-neon
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

chacha.c: In file included from chacha.c:12:
chacha.c: /usr/lib/llvm-3.8/bin/../lib/clang/3.8.1/include/arm_neon.h:28:2: error: "NEON support not enabled"
chacha.c: #error "NEON support not enabled"
chacha.c: ^
chacha.c: 1 error generated.

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	dolbeau/arm-neon

Compiler output

Implementation: dolbeau/arm-neon
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

chacha.c: In file included from chacha.c:12:0:
chacha.c: u4.h: In function 'crypto_stream_chacha20_dolbeau_arm_neon_ECRYPT_encrypt_bytes':
chacha.c: /usr/lib/gcc/arm-linux-gnueabihf/6/include/arm_neon.h:5816:1: error: inlining failed in call to always_inline 'vdupq_n_u32': target specific option mismatch
chacha.c: vdupq_n_u32 (uint32_t __a)
chacha.c: ^~~~~~~~~~~
chacha.c: In file included from chacha.c:95:0:
chacha.c: u4.h:45:14: note: called from here
chacha.c: uint32x4_t x_15 = vdupq_n_u32(x[15]);
chacha.c: ^~~~
chacha.c: In file included from chacha.c:12:0:
chacha.c: /usr/lib/gcc/arm-linux-gnueabihf/6/include/arm_neon.h:5816:1: error: inlining failed in call to always_inline 'vdupq_n_u32': target specific option mismatch
chacha.c: vdupq_n_u32 (uint32_t __a)
chacha.c: ^~~~~~~~~~~
chacha.c: In file included from chacha.c:95:0:
chacha.c: u4.h:44:14: note: called from here
chacha.c: uint32x4_t x_14 = vdupq_n_u32(x[14]);
chacha.c: ^~~~
chacha.c: In file included from chacha.c:12:0:
chacha.c: /usr/lib/gcc/arm-linux-gnueabihf/6/include/arm_neon.h:5816:1: error: inlining failed in call to always_inline 'vdupq_n_u32': target specific option mismatch
chacha.c: vdupq_n_u32 (uint32_t __a)
chacha.c: ^~~~~~~~~~~
chacha.c: In file included from chacha.c:95:0:
chacha.c: u4.h:41:14: note: called from here
chacha.c: uint32x4_t x_11 = vdupq_n_u32(x[11]);
chacha.c: ^~~~
chacha.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	dolbeau/arm-neon
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	dolbeau/arm-neon
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	dolbeau/arm-neon
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	dolbeau/arm-neon

Compiler output

Implementation: dolbeau/generic-gccsimd128
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

chacha.c: In file included from chacha.c:94:
chacha.c: ./u4.h:127:7: error: cannot convert between vector values of different size ('V' (vector of 4 'unsigned int' values) and 'int')
chacha.c: VEC4_QUARTERROUND( 0, 4, 8,12);
chacha.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
chacha.c: ./u4.h:29:56: note: expanded from macro 'VEC4_QUARTERROUND'
chacha.c: x_##a = x_##a + x_##b; t_##a = x_##d ^ x_##a; x_##d = VEC4_ROT(t_##a, 16); \
chacha.c: ^ ~~~~~ ~~
chacha.c: ./u4.h:23:29: note: expanded from macro 'VEC4_ROT'
chacha.c: #define VEC4_ROT(a,imm) ((a << imm) | (a >> (32-imm)))
chacha.c: ~ ^ ~~~
chacha.c: ./u4.h:127:7: error: cannot convert between vector values of different size ('V' (vector of 4 'unsigned int' values) and 'int')
chacha.c: VEC4_QUARTERROUND( 0, 4, 8,12);
chacha.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
chacha.c: ./u4.h:29:56: note: expanded from macro 'VEC4_QUARTERROUND'
chacha.c: x_##a = x_##a + x_##b; t_##a = x_##d ^ x_##a; x_##d = VEC4_ROT(t_##a, 16); \
chacha.c: ^~~~~~~~~~~~~~~~~~~
chacha.c: ./u4.h:23:42: note: expanded from macro 'VEC4_ROT'
chacha.c: #define VEC4_ROT(a,imm) ((a << imm) | (a >> (32-imm)))
chacha.c: ~ ^ ~~~~~~~~
chacha.c: ./u4.h:127:7: error: cannot convert between vector values of different size ('V' (vector of 4 'unsigned int' values) and 'int')
chacha.c: VEC4_QUARTERROUND( 0, 4, 8,12);
chacha.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
chacha.c: ./u4.h:30:56: note: expanded from macro 'VEC4_QUARTERROUND'
chacha.c: x_##c = x_##c + x_##d; t_##c = x_##b ^ x_##c; x_##b = VEC4_ROT(t_##c, 12); \
chacha.c: ^ ~~~~~ ~~
chacha.c: ...

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	dolbeau/generic-gccsimd128

Compiler output

Implementation: dolbeau/generic-gccsimd256
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

chacha.c: In file included from chacha.c:94:
chacha.c: ./u8.h:138:7: error: cannot convert between vector values of different size ('V' (vector of 8 'unsigned int' values) and 'int')
chacha.c: VEC8_QUARTERROUND( 0, 4, 8,12);
chacha.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
chacha.c: ./u8.h:32:56: note: expanded from macro 'VEC8_QUARTERROUND'
chacha.c: x_##a = x_##a + x_##b; t_##a = x_##d ^ x_##a; x_##d = VEC8_ROT(t_##a, 16); \
chacha.c: ^ ~~~~~ ~~
chacha.c: ./u8.h:26:29: note: expanded from macro 'VEC8_ROT'
chacha.c: #define VEC8_ROT(a,imm) ((a << imm) | (a >> (32-imm)))
chacha.c: ~ ^ ~~~
chacha.c: ./u8.h:138:7: error: cannot convert between vector values of different size ('V' (vector of 8 'unsigned int' values) and 'int')
chacha.c: VEC8_QUARTERROUND( 0, 4, 8,12);
chacha.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
chacha.c: ./u8.h:32:56: note: expanded from macro 'VEC8_QUARTERROUND'
chacha.c: x_##a = x_##a + x_##b; t_##a = x_##d ^ x_##a; x_##d = VEC8_ROT(t_##a, 16); \
chacha.c: ^~~~~~~~~~~~~~~~~~~
chacha.c: ./u8.h:26:42: note: expanded from macro 'VEC8_ROT'
chacha.c: #define VEC8_ROT(a,imm) ((a << imm) | (a >> (32-imm)))
chacha.c: ~ ^ ~~~~~~~~
chacha.c: ./u8.h:138:7: error: cannot convert between vector values of different size ('V' (vector of 8 'unsigned int' values) and 'int')
chacha.c: VEC8_QUARTERROUND( 0, 4, 8,12);
chacha.c: ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
chacha.c: ./u8.h:33:56: note: expanded from macro 'VEC8_QUARTERROUND'
chacha.c: x_##c = x_##c + x_##d; t_##c = x_##b ^ x_##c; x_##b = VEC8_ROT(t_##c, 12); \
chacha.c: ^ ~~~~~ ~~
chacha.c: ...

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	dolbeau/generic-gccsimd256

Compiler output

Implementation: krovetz/vec128
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

stream.c: stream.c:80:2: error: -- Implementation supports only machines with neon, altivec or SSE2
stream.c: #error -- Implementation supports only machines with neon, altivec or SSE2
stream.c: ^
stream.c: stream.c:151:14: warning: implicit declaration of function 'NONCE' is invalid in C99 [-Wimplicit-function-declaration]
stream.c: vec s3 = NONCE(np);
stream.c: ^
stream.c: stream.c:151:9: error: initializing 'vec' (vector of 4 'unsigned int' values) with an expression of incompatible type 'int'
stream.c: vec s3 = NONCE(np);
stream.c: ^ ~~~~~~~~~
stream.c: stream.c:152:36: error: use of undeclared identifier 'VBPI'
stream.c: for (iters = 0; iters < inlen/(BPI*64); iters++) {
stream.c: ^
stream.c: stream.c:91:19: note: expanded from macro 'BPI'
stream.c: #define BPI (VBPI + GPR_TOO) /* Blocks computed per loop iteration */
stream.c: ^
stream.c: stream.c:152:36: error: use of undeclared identifier 'GPR_TOO'
stream.c: stream.c:91:26: note: expanded from macro 'BPI'
stream.c: #define BPI (VBPI + GPR_TOO) /* Blocks computed per loop iteration */
stream.c: ^
stream.c: stream.c:155:19: error: use of undeclared identifier 'ONE'
stream.c: v7 = v3 + ONE;
stream.c: ^
stream.c: stream.c:176:13: warning: implicit declaration of function 'ROTW16' is invalid in C99 [-Wimplicit-function-declaration]
stream.c: DQROUND_VECTORS(v0,v1,v2,v3)
stream.c: ^
stream.c: ...

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krovetz/vec128

Compiler output

Implementation: krovetz/vec128
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

stream.c: stream.c:80:2: error: #error -- Implementation supports only machines with neon, altivec or SSE2
stream.c: #error -- Implementation supports only machines with neon, altivec or SSE2
stream.c: ^~~~~
stream.c: stream.c: In function 'crypto_stream_chacha20_krovetz_vec128_xor':
stream.c: stream.c:151:14: warning: implicit declaration of function 'NONCE' [-Wimplicit-function-declaration]
stream.c: vec s3 = NONCE(np);
stream.c: ^~~~~
stream.c: stream.c:151:14: error: incompatible types when initializing type 'vec {aka __vector(4) unsigned int}' using type 'int'
stream.c: stream.c:91:19: error: 'VBPI' undeclared (first use in this function)
stream.c: #define BPI (VBPI + GPR_TOO) /* Blocks computed per loop iteration */
stream.c: ^
stream.c: stream.c:152:36: note: in expansion of macro 'BPI'
stream.c: for (iters = 0; iters < inlen/(BPI*64); iters++) {
stream.c: ^~~
stream.c: stream.c:91:19: note: each undeclared identifier is reported only once for each function it appears in
stream.c: #define BPI (VBPI + GPR_TOO) /* Blocks computed per loop iteration */
stream.c: ^
stream.c: stream.c:152:36: note: in expansion of macro 'BPI'
stream.c: for (iters = 0; iters < inlen/(BPI*64); iters++) {
stream.c: ^~~
stream.c: stream.c:91:26: error: 'GPR_TOO' undeclared (first use in this function)
stream.c: #define BPI (VBPI + GPR_TOO) /* Blocks computed per loop iteration */
stream.c: ^
stream.c: stream.c:152:36: note: in expansion of macro 'BPI'
stream.c: for (iters = 0; iters < inlen/(BPI*64); iters++) {
stream.c: ...

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	krovetz/vec128
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	krovetz/vec128
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	krovetz/vec128
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	krovetz/vec128

Compiler output

Implementation: moon/armv6/32
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

try.c: crypto_stream_chacha20.a(crypto_stream.o): In function `crypto_stream_chacha20_moon_armv6_32':
try.c: crypto_stream.c:(.text+0x...): multiple definition of `crypto_stream_chacha20_moon_armv6_32'
try.c: crypto_stream_chacha20.a(chacha.o):(.text+0x...): first defined here
try.c: crypto_stream_chacha20.a(crypto_stream.o): In function `crypto_stream_chacha20_moon_armv6_32_xor':
try.c: crypto_stream.c:(.text+0x...): undefined reference to `crypto_stream_chacha12_moon_armv6_32'
try.c: crypto_stream_chacha20.a(crypto_stream.o): In function `crypto_stream_chacha20_moon_armv6_32':
try.c: crypto_stream.c:(.text+0x...): undefined reference to `crypto_stream_chacha12_moon_armv6_32'
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	moon/armv6/32

Compiler output

Implementation: moon/armv6/32
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	moon/armv6/32
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	moon/armv6/32
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	moon/armv6/32
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	moon/armv6/32

Compiler output

Implementation: moon/neon/32
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

try.c: crypto_stream_chacha20.a(crypto_stream.o): In function `crypto_stream_chacha20_moon_neon_32':
try.c: crypto_stream.c:(.text+0x...): multiple definition of `crypto_stream_chacha20_moon_neon_32'
try.c: crypto_stream_chacha20.a(chacha.o):(.text+0x...): first defined here
try.c: crypto_stream_chacha20.a(crypto_stream.o): In function `crypto_stream_chacha20_moon_neon_32_xor':
try.c: crypto_stream.c:(.text+0x...): undefined reference to `crypto_stream_chacha12_moon_neon_32'
try.c: crypto_stream_chacha20.a(crypto_stream.o): In function `crypto_stream_chacha20_moon_neon_32':
try.c: crypto_stream.c:(.text+0x...): undefined reference to `crypto_stream_chacha12_moon_neon_32'
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

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

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	moon/neon/32

Compiler output

Implementation: moon/neon/32
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

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

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	moon/neon/32
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	moon/neon/32
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	moon/neon/32
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	moon/neon/32