Sigill / boost-base64-benchmark

C++ Vector serialization benchmark

Boost version 1.62.0. Compiled with gcc/g++ 6.3.0 with -O3 optimizations.

Executed on an Intel T2310 CPU @1.45GHz.

boost::archive performances

Performances of boost's binary_archive, text_archive, xml_archive.

1M random elements, in full type range for integral types, between -1 and 1 for floating point types.

		char	short	int	long	float	double
	serialization	3ms	8ms	16ms	34ms	98ms	348ms
binary_archive	deserialization	2ms	38ms	5ms	11ms	88ms	128ms
	archive size	1MB	2MB	4MB	8MB	4MB	8MB
	serialization	160ms	175ms	275ms	378ms	1s	1.2s
text_archive	deserialization	219ms	261ms	443ms	684ms	1.2s	1.6s
	archive size	3.6MB	5.8MB	11MB	20.3MB	16.5MB	25.5MB
	serialization	936ms	928ms	1s	1.2s	2s	2.2s
xml_archive	deserialization	959ms	1s	1.2s	1.4s	2.3s	2.7s
	archive size	17.6MB	19.8MB	25MB	34.4MB	30.5MB	38.5MB

Base64 encoding

		char	short	int	long	float	double
Boost raw base64	serialization	18ms	38ms	83ms	180ms	98ms	179ms
	deserialization	31ms	63ms	127ms	253ms	125ms	251ms
Boost typed base64	serialization	19ms	34ms	70ms	191ms	N/A	N/A
	deserialization	30ms	56ms	99ms	196ms	N/A	N/A
Coreutils	serialization	5ms	11ms	23ms	58ms	23ms	58ms
	deserialization	7ms	14s	27ms	57ms	27ms	68ms

License

The base64.c and base64.h files are part of coreutils and are licensed under the GPLv2 license.

They have been modified to:

• remove the include of the config.h file, which is specific to coreutils.
• disable C++ mangling when used in a C++ project.
• selectively inhibit the restrict keyword, which is not supported by C++ compilers.

The rest of the project is released under the MIT license.