Implementation notes: armeabi, rpi4, crypto_stream/chacha20

Computer: rpi4
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
14638	4356 0 1	17795 412 752	`dolbeau/arm-neon`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
14638	4644 0 1	26371 412 760	`dolbeau/arm-neon`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
14750	4356 0 1	17795 412 752	`dolbeau/arm-neon`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
15195	4576 0 1	25603 412 760	`dolbeau/arm-neon`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
15361	2916 0 4	15953 420 752	`e/regs`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
15750	3680 0 1	14905 408 744	`dolbeau/arm-neon`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
15806	2928 0 4	15969 420 752	`e/ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
16027	5264 0 1	26299 412 760	`dolbeau/generic-gccsimd128`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
16276	4936 0 1	18387 412 752	`dolbeau/generic-gccsimd128`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
16305	5224 0 1	26955 412 760	`dolbeau/generic-gccsimd128`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
16334	4936 0 1	18387 412 752	`dolbeau/generic-gccsimd128`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
16389	4268 0 1	15497 408 744	`dolbeau/generic-gccsimd128`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
17221	7492 0 1	20939 412 752	`dolbeau/generic-gccsimd256`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
17250	7492 0 1	20939 412 752	`dolbeau/generic-gccsimd256`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
17277	7800 0 1	29531 412 760	`dolbeau/generic-gccsimd256`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
17416	7468 0 1	28499 412 760	`dolbeau/generic-gccsimd256`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
17417	2464 0 4	12464 408 744	`e/merged`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
18666	6844 0 1	18073 408 744	`dolbeau/generic-gccsimd256`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
19111	3724 0 4	16761 420 752	`e/merged`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
19278	3068 0 4	14196 416 752	`e/merged`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
20166	2644 0 1	16071 412 752	`e/regs`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
20166	2644 0 1	24359 412 760	`e/regs`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
20250	3676 0 4	14812 416 752	`e/merged`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
20417	2644 0 1	16071 412 752	`e/regs`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
20833	2720 0 1	16155 412 752	`e/merged`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
20861	2720 0 1	16155 412 752	`e/merged`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
21000	1784 0 4	11780 408 744	`e/regs`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
21112	2756 0 1	23771 412 760	`e/merged`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
21222	2200 0 4	13332 416 752	`e/regs`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
21333	2736 0 1	24451 412 760	`e/merged`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
21417	2432 0 1	15863 412 752	`e/ref`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
21444	2432 0 1	15863 412 752	`e/ref`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
21777	2696 0 1	23711 412 760	`e/ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
22194	2688 0 1	23703 412 760	`e/regs`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
22749	2888 0 4	14028 416 752	`e/regs`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
23722	2100 0 4	13228 416 752	`e/ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
24306	2424 0 4	13564 416 752	`e/ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
24416	2232 0 1	13445 408 744	`e/regs`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
24472	2508 0 1	13721 408 744	`e/merged`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
24917	8816 0 4	19976 416 752	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
25833	1748 0 1	12957 408 744	`e/ref`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
26611	1672 0 4	11668 408 744	`e/ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
27305	2692 0 1	24407 412 760	`e/ref`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20200108	20191221
29972	7680 0 4	17696 408 744	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
30473	9812 0 4	20960 416 752	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
31278	10928 0 4	23989 420 752	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
32388	18076 0 4	29232 416 752	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
34222	16936 0 4	26952 408 744	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
36861	21572 0 4	34629 420 752	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221
37083	20564 0 4	31712 416 752	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200108	20191221

Test failure

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

error 111
crypto_stream_xor does not handle n=c overlap

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krovetz/vec128
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krovetz/vec128
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krovetz/vec128
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krovetz/vec128
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krovetz/vec128

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:
chacha.c: u4.h: In function 'crypto_stream_chacha20_dolbeau_arm_neon_ECRYPT_encrypt_bytes':
chacha.c: /usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:6761:1: 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:
chacha.c: u4.h:45:21: 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:
chacha.c: /usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:6761:1: 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:
chacha.c: u4.h:44:21: 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:
chacha.c: /usr/lib/gcc/arm-linux-gnueabihf/8/include/arm_neon.h:6761:1: 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:
chacha.c: u4.h:41:21: 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: 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); did you mean 'BPI'?
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 -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

try.c: /usr/bin/ld: 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'; crypto_stream_chacha20.a(chacha.o):(.text+0x...): first defined here
try.c: /usr/bin/ld: 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: /usr/bin/ld: 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: 5, namely:

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

try.c: /usr/bin/ld: 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'; crypto_stream_chacha20.a(chacha.o):(.text+0x...): first defined here
try.c: /usr/bin/ld: 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: /usr/bin/ld: 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: 5, namely:

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