Implementation notes: amd64, margaux, crypto_stream/ocelot2

Computer: margaux
Architecture: amd64
CPU ID: GenuineIntel-000006fb-bfebfbff
SUPERCOP version: 20210604
Operation: crypto_stream
Primitive: ocelot2

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
47150	8254 4 21	24662 848 1072	`T:ref`	`g++_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210503	20210423
53116	6952 4 21	20957 840 1072	`T:ref`	`g++_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210503	20210423
56172	7084 4 21	20869 840 1072	`T:ref`	`g++_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210503	20210423
58266	5393 4 21	18097 824 1040	`T:ref`	`g++_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20210503	20210423

Compiler output

Implementation: T:ref
Security model: timingleaks
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.
Ocelot2.cpp: In file included from Ocelot2.cpp:3:
Ocelot2.cpp: ./Ocelot2.h:118:14: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot2.cpp: for (register int i = 0; i < n; i++)
Ocelot2.cpp: ^~~~~~~~~
Ocelot2.cpp: ./Ocelot2.h:126:14: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot2.cpp: for (register int i = 0; i < n; i++)
Ocelot2.cpp: ^~~~~~~~~
Ocelot2.cpp: ./Ocelot2.h:143:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot2.cpp: register BYTE *p1, *p2;
Ocelot2.cpp: ^~~~~~~~~
Ocelot2.cpp: ./Ocelot2.h:143:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot2.cpp: register BYTE *p1, *p2;
Ocelot2.cpp: ^~~~~~~~~
Ocelot2.cpp: ./Ocelot2.h:144:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot2.cpp: register BYTE temp, v1, v2;
Ocelot2.cpp: ^~~~~~~~~
Ocelot2.cpp: ./Ocelot2.h:144:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot2.cpp: register BYTE temp, v1, v2;
Ocelot2.cpp: ^~~~~~~~~
Ocelot2.cpp: ./Ocelot2.h:144:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot2.cpp: register BYTE temp, v1, v2;
Ocelot2.cpp: ^~~~~~~~~
Ocelot2.cpp: ./Ocelot2.h:163:9: warning: 'register' storage class specifier is deprecated and incompatible with C++17 [-Wdeprecated-register]
Ocelot2.cpp: register BYTE *p1, *p2;
Ocelot2.cpp: ^~~~~~~~~
Ocelot2.cpp: ...

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

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