Implementation notes: x86, thoth, crypto_aead/omdsha256k192n104tau128v2

Computer: thoth
Architecture: x86
CPU ID: AuthenticAMD-00000622-0183f9ff
SUPERCOP version: 20160806
Operation: crypto_aead
Primitive: omdsha256k192n104tau128v2
TimeImplementationCompilerBenchmark dateSUPERCOP version
389144refgcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv2016072720160724
461479refclang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments2016072720160724
474523refgcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv2016072720160724
496287refgcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv2016072720160724
499008refgcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv2016072720160724

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/avx1
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments
encrypt.c: gt;:5:6: error: register %rbx is only available in 64-bit mode
encrypt.c: push rbx
encrypt.c: ^
encrypt.c: gt;:6:10: error: register %rbp is only available in 64-bit mode
encrypt.c: push rbp
encrypt.c: ^
encrypt.c: gt;:7:10: error: register %r13 is only available in 64-bit mode
encrypt.c: push r13
encrypt.c: ^
encrypt.c: gt;:8:10: error: register %r14 is only available in 64-bit mode
encrypt.c: push r14
encrypt.c: ^
encrypt.c: gt;:9:10: error: register %r15 is only available in 64-bit mode
encrypt.c: push r15
encrypt.c: ^
encrypt.c: gt;:10:9: error: register %rsp is only available in 64-bit mode
encrypt.c: sub rsp,32
encrypt.c: ^
encrypt.c: gt;:10:9: error: ambiguous operand size for instruction 'sub'
encrypt.c: sub rsp,32
encrypt.c: ^
encrypt.c: gt;:11:9: error: register %rdx is only available in 64-bit mode
encrypt.c: shl rdx, 6
encrypt.c: ^
encrypt.c: gt;:11:9: error: ambiguous operand size for instruction 'shl'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 2, namely:
CompilerImplementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments avx1 sse4

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/avx1
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv
encrypt.c: /tmp/ccBOif9Y.s: Assembler messages:
encrypt.c: /tmp/ccBOif9Y.s:14: Error: ambiguous operand size for `sub'
encrypt.c: /tmp/ccBOif9Y.s:15: Error: ambiguous operand size for `shl'
encrypt.c: /tmp/ccBOif9Y.s:17: Error: too many memory references for `add'
encrypt.c: /tmp/ccBOif9Y.s:18: Error: too many memory references for `mov'
encrypt.c: /tmp/ccBOif9Y.s:22: Error: too many memory references for `mov'
encrypt.c: /tmp/ccBOif9Y.s:24: Error: too many memory references for `mov'
encrypt.c: /tmp/ccBOif9Y.s:25: Error: too many memory references for `mov'
encrypt.c: /tmp/ccBOif9Y.s:26: Error: too many memory references for `mov'
encrypt.c: /tmp/ccBOif9Y.s:27: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccBOif9Y.s:28: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccBOif9Y.s:29: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccBOif9Y.s:31: Error: too many memory references for `lea'
encrypt.c: /tmp/ccBOif9Y.s:40: Error: too many memory references for `mov'
encrypt.c: /tmp/ccBOif9Y.s:41: Error: ambiguous operand size for `mov'
encrypt.c: /tmp/ccBOif9Y.s:44: Error: too many memory references for `vpaddd'
encrypt.c: /tmp/ccBOif9Y.s:45: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccBOif9Y.s:47: Error: too many memory references for `shld'
encrypt.c: /tmp/ccBOif9Y.s:50: Error: too many memory references for `shld'
encrypt.c: /tmp/ccBOif9Y.s:52: Error: too many memory references for `mov'
encrypt.c: /tmp/ccBOif9Y.s:53: Error: too many memory references for `shld'
encrypt.c: /tmp/ccBOif9Y.s:55: Error: too many memory references for `xor'
encrypt.c: /tmp/ccBOif9Y.s:59: Error: too many memory references for `shld'
encrypt.c: /tmp/ccBOif9Y.s:62: Error: too many memory references for `shld'
encrypt.c: /tmp/ccBOif9Y.s:63: Error: too many memory references for `xor'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv avx1

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/sse4
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv
encrypt.c: /tmp/ccJcRpvH.s: Assembler messages:
encrypt.c: /tmp/ccJcRpvH.s:13: Error: ambiguous operand size for `sub'
encrypt.c: /tmp/ccJcRpvH.s:14: Error: ambiguous operand size for `shl'
encrypt.c: /tmp/ccJcRpvH.s:16: Error: too many memory references for `add'
encrypt.c: /tmp/ccJcRpvH.s:17: Error: too many memory references for `mov'
encrypt.c: /tmp/ccJcRpvH.s:21: Error: too many memory references for `mov'
encrypt.c: /tmp/ccJcRpvH.s:23: Error: too many memory references for `mov'
encrypt.c: /tmp/ccJcRpvH.s:24: Error: too many memory references for `mov'
encrypt.c: /tmp/ccJcRpvH.s:25: Error: too many memory references for `mov'
encrypt.c: /tmp/ccJcRpvH.s:26: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccJcRpvH.s:27: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccJcRpvH.s:28: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccJcRpvH.s:30: Error: too many memory references for `lea'
encrypt.c: /tmp/ccJcRpvH.s:39: Error: too many memory references for `mov'
encrypt.c: /tmp/ccJcRpvH.s:40: Error: ambiguous operand size for `mov'
encrypt.c: /tmp/ccJcRpvH.s:43: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccJcRpvH.s:44: Error: operand size mismatch for `paddd'
encrypt.c: /tmp/ccJcRpvH.s:45: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccJcRpvH.s:48: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccJcRpvH.s:51: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccJcRpvH.s:53: Error: too many memory references for `mov'
encrypt.c: /tmp/ccJcRpvH.s:54: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccJcRpvH.s:57: Error: too many memory references for `xor'
encrypt.c: /tmp/ccJcRpvH.s:61: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccJcRpvH.s:64: Error: ambiguous operand size for `ror'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv sse4

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/avx1
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv
encrypt.c: /tmp/cc0U9Xlx.s: Assembler messages:
encrypt.c: /tmp/cc0U9Xlx.s:14: Error: ambiguous operand size for `sub'
encrypt.c: /tmp/cc0U9Xlx.s:15: Error: ambiguous operand size for `shl'
encrypt.c: /tmp/cc0U9Xlx.s:17: Error: too many memory references for `add'
encrypt.c: /tmp/cc0U9Xlx.s:18: Error: too many memory references for `mov'
encrypt.c: /tmp/cc0U9Xlx.s:22: Error: too many memory references for `mov'
encrypt.c: /tmp/cc0U9Xlx.s:24: Error: too many memory references for `mov'
encrypt.c: /tmp/cc0U9Xlx.s:25: Error: too many memory references for `mov'
encrypt.c: /tmp/cc0U9Xlx.s:26: Error: too many memory references for `mov'
encrypt.c: /tmp/cc0U9Xlx.s:27: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/cc0U9Xlx.s:28: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/cc0U9Xlx.s:29: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/cc0U9Xlx.s:31: Error: too many memory references for `lea'
encrypt.c: /tmp/cc0U9Xlx.s:40: Error: too many memory references for `mov'
encrypt.c: /tmp/cc0U9Xlx.s:41: Error: ambiguous operand size for `mov'
encrypt.c: /tmp/cc0U9Xlx.s:44: Error: too many memory references for `vpaddd'
encrypt.c: /tmp/cc0U9Xlx.s:45: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/cc0U9Xlx.s:47: Error: too many memory references for `shld'
encrypt.c: /tmp/cc0U9Xlx.s:50: Error: too many memory references for `shld'
encrypt.c: /tmp/cc0U9Xlx.s:52: Error: too many memory references for `mov'
encrypt.c: /tmp/cc0U9Xlx.s:53: Error: too many memory references for `shld'
encrypt.c: /tmp/cc0U9Xlx.s:55: Error: too many memory references for `xor'
encrypt.c: /tmp/cc0U9Xlx.s:59: Error: too many memory references for `shld'
encrypt.c: /tmp/cc0U9Xlx.s:62: Error: too many memory references for `shld'
encrypt.c: /tmp/cc0U9Xlx.s:63: Error: too many memory references for `xor'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv avx1

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/sse4
Compiler: gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv
encrypt.c: /tmp/ccCdWBkl.s: Assembler messages:
encrypt.c: /tmp/ccCdWBkl.s:13: Error: ambiguous operand size for `sub'
encrypt.c: /tmp/ccCdWBkl.s:14: Error: ambiguous operand size for `shl'
encrypt.c: /tmp/ccCdWBkl.s:16: Error: too many memory references for `add'
encrypt.c: /tmp/ccCdWBkl.s:17: Error: too many memory references for `mov'
encrypt.c: /tmp/ccCdWBkl.s:21: Error: too many memory references for `mov'
encrypt.c: /tmp/ccCdWBkl.s:23: Error: too many memory references for `mov'
encrypt.c: /tmp/ccCdWBkl.s:24: Error: too many memory references for `mov'
encrypt.c: /tmp/ccCdWBkl.s:25: Error: too many memory references for `mov'
encrypt.c: /tmp/ccCdWBkl.s:26: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccCdWBkl.s:27: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccCdWBkl.s:28: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccCdWBkl.s:30: Error: too many memory references for `lea'
encrypt.c: /tmp/ccCdWBkl.s:39: Error: too many memory references for `mov'
encrypt.c: /tmp/ccCdWBkl.s:40: Error: ambiguous operand size for `mov'
encrypt.c: /tmp/ccCdWBkl.s:43: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccCdWBkl.s:44: Error: operand size mismatch for `paddd'
encrypt.c: /tmp/ccCdWBkl.s:45: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccCdWBkl.s:48: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccCdWBkl.s:51: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccCdWBkl.s:53: Error: too many memory references for `mov'
encrypt.c: /tmp/ccCdWBkl.s:54: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccCdWBkl.s:57: Error: too many memory references for `xor'
encrypt.c: /tmp/ccCdWBkl.s:61: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccCdWBkl.s:64: Error: ambiguous operand size for `ror'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv sse4

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/avx1
Compiler: gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv
encrypt.c: /tmp/ccchhr9J.s: Assembler messages:
encrypt.c: /tmp/ccchhr9J.s:14: Error: ambiguous operand size for `sub'
encrypt.c: /tmp/ccchhr9J.s:15: Error: ambiguous operand size for `shl'
encrypt.c: /tmp/ccchhr9J.s:17: Error: too many memory references for `add'
encrypt.c: /tmp/ccchhr9J.s:18: Error: too many memory references for `mov'
encrypt.c: /tmp/ccchhr9J.s:22: Error: too many memory references for `mov'
encrypt.c: /tmp/ccchhr9J.s:24: Error: too many memory references for `mov'
encrypt.c: /tmp/ccchhr9J.s:25: Error: too many memory references for `mov'
encrypt.c: /tmp/ccchhr9J.s:26: Error: too many memory references for `mov'
encrypt.c: /tmp/ccchhr9J.s:27: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccchhr9J.s:28: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccchhr9J.s:29: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccchhr9J.s:31: Error: too many memory references for `lea'
encrypt.c: /tmp/ccchhr9J.s:40: Error: too many memory references for `mov'
encrypt.c: /tmp/ccchhr9J.s:41: Error: ambiguous operand size for `mov'
encrypt.c: /tmp/ccchhr9J.s:44: Error: too many memory references for `vpaddd'
encrypt.c: /tmp/ccchhr9J.s:45: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccchhr9J.s:47: Error: too many memory references for `shld'
encrypt.c: /tmp/ccchhr9J.s:50: Error: too many memory references for `shld'
encrypt.c: /tmp/ccchhr9J.s:52: Error: too many memory references for `mov'
encrypt.c: /tmp/ccchhr9J.s:53: Error: too many memory references for `shld'
encrypt.c: /tmp/ccchhr9J.s:55: Error: too many memory references for `xor'
encrypt.c: /tmp/ccchhr9J.s:59: Error: too many memory references for `shld'
encrypt.c: /tmp/ccchhr9J.s:62: Error: too many memory references for `shld'
encrypt.c: /tmp/ccchhr9J.s:63: Error: too many memory references for `xor'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv avx1

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/sse4
Compiler: gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv
encrypt.c: /tmp/ccjmmeDx.s: Assembler messages:
encrypt.c: /tmp/ccjmmeDx.s:13: Error: ambiguous operand size for `sub'
encrypt.c: /tmp/ccjmmeDx.s:14: Error: ambiguous operand size for `shl'
encrypt.c: /tmp/ccjmmeDx.s:16: Error: too many memory references for `add'
encrypt.c: /tmp/ccjmmeDx.s:17: Error: too many memory references for `mov'
encrypt.c: /tmp/ccjmmeDx.s:21: Error: too many memory references for `mov'
encrypt.c: /tmp/ccjmmeDx.s:23: Error: too many memory references for `mov'
encrypt.c: /tmp/ccjmmeDx.s:24: Error: too many memory references for `mov'
encrypt.c: /tmp/ccjmmeDx.s:25: Error: too many memory references for `mov'
encrypt.c: /tmp/ccjmmeDx.s:26: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccjmmeDx.s:27: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccjmmeDx.s:28: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccjmmeDx.s:30: Error: too many memory references for `lea'
encrypt.c: /tmp/ccjmmeDx.s:39: Error: too many memory references for `mov'
encrypt.c: /tmp/ccjmmeDx.s:40: Error: ambiguous operand size for `mov'
encrypt.c: /tmp/ccjmmeDx.s:43: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccjmmeDx.s:44: Error: operand size mismatch for `paddd'
encrypt.c: /tmp/ccjmmeDx.s:45: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccjmmeDx.s:48: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccjmmeDx.s:51: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccjmmeDx.s:53: Error: too many memory references for `mov'
encrypt.c: /tmp/ccjmmeDx.s:54: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccjmmeDx.s:57: Error: too many memory references for `xor'
encrypt.c: /tmp/ccjmmeDx.s:61: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccjmmeDx.s:64: Error: ambiguous operand size for `ror'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv sse4

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/sse4
Compiler: gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv
encrypt.c: /tmp/ccDIgnU4.s: Assembler messages:
encrypt.c: /tmp/ccDIgnU4.s:13: Error: ambiguous operand size for `sub'
encrypt.c: /tmp/ccDIgnU4.s:14: Error: ambiguous operand size for `shl'
encrypt.c: /tmp/ccDIgnU4.s:16: Error: too many memory references for `add'
encrypt.c: /tmp/ccDIgnU4.s:17: Error: too many memory references for `mov'
encrypt.c: /tmp/ccDIgnU4.s:21: Error: too many memory references for `mov'
encrypt.c: /tmp/ccDIgnU4.s:23: Error: too many memory references for `mov'
encrypt.c: /tmp/ccDIgnU4.s:24: Error: too many memory references for `mov'
encrypt.c: /tmp/ccDIgnU4.s:25: Error: too many memory references for `mov'
encrypt.c: /tmp/ccDIgnU4.s:26: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccDIgnU4.s:27: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccDIgnU4.s:28: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccDIgnU4.s:30: Error: too many memory references for `lea'
encrypt.c: /tmp/ccDIgnU4.s:39: Error: too many memory references for `mov'
encrypt.c: /tmp/ccDIgnU4.s:40: Error: ambiguous operand size for `mov'
encrypt.c: /tmp/ccDIgnU4.s:43: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccDIgnU4.s:44: Error: operand size mismatch for `paddd'
encrypt.c: /tmp/ccDIgnU4.s:45: Error: too many memory references for `movdqa'
encrypt.c: /tmp/ccDIgnU4.s:48: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccDIgnU4.s:51: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccDIgnU4.s:53: Error: too many memory references for `mov'
encrypt.c: /tmp/ccDIgnU4.s:54: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccDIgnU4.s:57: Error: too many memory references for `xor'
encrypt.c: /tmp/ccDIgnU4.s:61: Error: ambiguous operand size for `ror'
encrypt.c: /tmp/ccDIgnU4.s:64: Error: ambiguous operand size for `ror'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv sse4

Compiler output

Implementation: crypto_aead/omdsha256k192n104tau128v2/avx1
Compiler: gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv
encrypt.c: /tmp/ccwWgIGm.s: Assembler messages:
encrypt.c: /tmp/ccwWgIGm.s:14: Error: ambiguous operand size for `sub'
encrypt.c: /tmp/ccwWgIGm.s:15: Error: ambiguous operand size for `shl'
encrypt.c: /tmp/ccwWgIGm.s:17: Error: too many memory references for `add'
encrypt.c: /tmp/ccwWgIGm.s:18: Error: too many memory references for `mov'
encrypt.c: /tmp/ccwWgIGm.s:22: Error: too many memory references for `mov'
encrypt.c: /tmp/ccwWgIGm.s:24: Error: too many memory references for `mov'
encrypt.c: /tmp/ccwWgIGm.s:25: Error: too many memory references for `mov'
encrypt.c: /tmp/ccwWgIGm.s:26: Error: too many memory references for `mov'
encrypt.c: /tmp/ccwWgIGm.s:27: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccwWgIGm.s:28: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccwWgIGm.s:29: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccwWgIGm.s:31: Error: too many memory references for `lea'
encrypt.c: /tmp/ccwWgIGm.s:40: Error: too many memory references for `mov'
encrypt.c: /tmp/ccwWgIGm.s:41: Error: ambiguous operand size for `mov'
encrypt.c: /tmp/ccwWgIGm.s:44: Error: too many memory references for `vpaddd'
encrypt.c: /tmp/ccwWgIGm.s:45: Error: too many memory references for `vmovdqa'
encrypt.c: /tmp/ccwWgIGm.s:47: Error: too many memory references for `shld'
encrypt.c: /tmp/ccwWgIGm.s:50: Error: too many memory references for `shld'
encrypt.c: /tmp/ccwWgIGm.s:52: Error: too many memory references for `mov'
encrypt.c: /tmp/ccwWgIGm.s:53: Error: too many memory references for `shld'
encrypt.c: /tmp/ccwWgIGm.s:55: Error: too many memory references for `xor'
encrypt.c: /tmp/ccwWgIGm.s:59: Error: too many memory references for `shld'
encrypt.c: /tmp/ccwWgIGm.s:62: Error: too many memory references for `shld'
encrypt.c: /tmp/ccwWgIGm.s:63: Error: too many memory references for `xor'
encrypt.c: ...

Number of similar (compiler,implementation) pairs: 1, namely:
CompilerImplementations
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv avx1