Implementation notes: amd64, h8atom, crypto_stream/ocelot1

Computer: h8atom
Architecture: amd64
CPU ID: GenuineIntel-00030661-bfebfbff
SUPERCOP version: 20200618
Operation: crypto_stream
Primitive: ocelot1

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
104111	8951 4 21	23483 820 904	`ref`	`g++_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200411	20200409
107170	7713 4 21	19858 812 904	`ref`	`g++_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200411	20200409
109998	5253 4 21	16278 796 872	`ref`	`g++_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200411	20200409
129682	8517 4 21	20602 812 904	`ref`	`g++_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20200411	20200409

Compiler output

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

Counter.cpp: Counter.cpp:11:10: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Counter.cpp: for (register int i = 0; i < _size; i++)
Counter.cpp: ^~~~~~~~~
Counter.cpp: Counter.cpp:27:10: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Counter.cpp: for (register int i = 0; i < _size4; i++,pbytes++)
Counter.cpp: ^~~~~~~~~
Counter.cpp: 2 warnings generated.
Ocelot1.cpp: In file included from Ocelot1.cpp:3:
Ocelot1.cpp: ./Ocelot1.h:118:14: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot1.cpp: for (register int i = 0; i < n; i++)
Ocelot1.cpp: ^~~~~~~~~
Ocelot1.cpp: ./Ocelot1.h:126:14: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot1.cpp: for (register int i = 0; i < n; i++)
Ocelot1.cpp: ^~~~~~~~~
Ocelot1.cpp: ./Ocelot1.h:143:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot1.cpp: register BYTE *p1, *p2;
Ocelot1.cpp: ^~~~~~~~~
Ocelot1.cpp: ./Ocelot1.h:143:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot1.cpp: register BYTE *p1, *p2;
Ocelot1.cpp: ^~~~~~~~~
Ocelot1.cpp: ./Ocelot1.h:144:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot1.cpp: register BYTE temp, v1, v2;
Ocelot1.cpp: ^~~~~~~~~
Ocelot1.cpp: ./Ocelot1.h:144:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot1.cpp: register BYTE temp, v1, v2;
Ocelot1.cpp: ^~~~~~~~~
Ocelot1.cpp: ./Ocelot1.h:144:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot1.cpp: register BYTE temp, v1, v2;
Ocelot1.cpp: ^~~~~~~~~
Ocelot1.cpp: ./Ocelot1.h:163:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot1.cpp: register BYTE *p1, *p2;
Ocelot1.cpp: ^~~~~~~~~
Ocelot1.cpp: ...

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

Compiler	Implementations
clang++ -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang++ -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang++ -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref
clang++ -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	ref