Implementation notes: armeabi, berry2, crypto_stream/chacha20

Computer: berry2
Microarchitecture: armeabi; Cortex-A7 (410fc075)
Architecture: armeabi
CPU ID: unknown CPU ID
SUPERCOP version: 20221122
Operation: crypto_stream
Primitive: chacha20

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
21871	2836 0 0	15124 392 784	`moon/neon/32`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
21872	2836 0 0	13163 388 784	`moon/neon/32`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
21876	2836 0 0	13223 388 784	`moon/neon/32`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
21876	2820 0 0	12377 380 784	`moon/neon/32`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
21880	2852 0 0	24859 384 792	`moon/neon/32`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210118	20210114
29411	2000 0 0	12331 388 784	`moon/armv6/32`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
29412	2000 0 0	14292 392 784	`moon/armv6/32`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
29414	1984 0 0	11542 380 784	`moon/armv6/32`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
29420	2016 0 0	24024 384 792	`moon/armv6/32`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210118	20210114
29623	2000 0 0	12391 388 784	`moon/armv6/32`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
30952	13885 1120 0	1053720 73845 12048	`T:cryptopp`	`g++_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210324	20210323
31022	12702 1120 0	1050327 73841 12048	`T:cryptopp`	`g++_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210324	20210323
31259	13725 1120 0	1051480 73845 12048	`T:cryptopp`	`g++_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210324	20210323
31426	5198 1440 0	1042474 74165 12048	`T:cryptopp`	`g++_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210324	20210323
35304	2536 0 4	12089 380 784	`e/merged`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
36771	3056 0 1	24993 384 800	`e/regs`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210118	20210114
37058	2936 0 4	15220 392 792	`e/regs`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
38273	3104 0 1	25040 384 800	`e/ref`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210118	20210114
38281	2952 0 4	15236 392 792	`e/ref`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
38374	5636 0 1	27593 384 800	`dolbeau/generic-gccsimd128`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210118	20210114
41104	3728 0 4	16012 392 792	`e/merged`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
41901	3000 0 4	13323 388 792	`e/merged`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
41968	3896 0 1	25835 384 800	`e/merged`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210118	20210114
42538	8200 0 1	30157 384 800	`dolbeau/generic-gccsimd256`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20210118	20210114
43520	2128 0 4	12451 388 792	`e/regs`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
44631	1860 0 4	11411 380 784	`e/regs`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
48063	3580 0 4	13963 388 792	`e/merged`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
52191	2804 0 4	13187 388 792	`e/regs`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
52282	2100 0 4	12423 388 792	`e/ref`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
54298	1752 0 4	11302 380 784	`e/ref`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
57137	2340 0 4	12723 388 792	`e/ref`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
67428	7760 0 4	17331 380 784	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
70878	8712 0 4	19115 388 792	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
82900	11016 0 4	23320 392 792	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
83463	9904 0 4	20247 388 792	`dolbeau/generic-gccsimd128`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
90205	17032 0 4	26603 380 784	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
93844	21608 0 4	33912 392 792	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
93981	20536 0 4	30879 388 792	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114
96256	17000 0 4	27403 388 792	`dolbeau/generic-gccsimd256`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210118	20210114

Compiler output

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

chacha.c: In file included from chacha.c:11:
chacha.c: /usr/lib/llvm-7/lib/clang/7.0.1/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: constbranchindex
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

chacha.c: In file included from chacha.c:11:
chacha.c: u4.h: In function 'crypto_stream_chacha20_dolbeau_arm_neon_constbranchindex_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:94:
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:11:
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:94:
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:11:
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:94:
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: constbranchindex
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: constbranchindex
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_constbranchindex_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