io/benchmark_random_block_access.cpp File Reference

#include <iomanip>
#include <vector>
#include <stxxl/io>
#include <stxxl/mng>
#include <unistd.h>

Include dependency graph for benchmark_random_block_access.cpp:

Go to the source code of this file.

Defines
#define	BLOCK_ALIGN   4096
#define	KB   (1024)
#define	MB   (1024 * 1024)
#define	GB   (1024 * 1024 * 1024)
#define	run(bs)   run_test<bs>(span, num_blocks, do_init, do_read, do_write)
Functions
void	usage (const char *argv0)
template<unsigned BlockSize>
void	run_test (stxxl::int64 span, stxxl::int64 num_blocks, bool do_init, bool do_read, bool do_write)
int	main (int argc, char *argv[])

---

Define Documentation

#define BLOCK_ALIGN   4096

Definition at line 43 of file benchmark_random_block_access.cpp.

#define GB   (1024 * 1024 * 1024)

Definition at line 48 of file benchmark_random_block_access.cpp.

#define KB   (1024)

Definition at line 46 of file benchmark_random_block_access.cpp.

Referenced by main().

#define MB   (1024 * 1024)

Definition at line 47 of file benchmark_random_block_access.cpp.

Referenced by main(), and run_test().

#define run

(

bs

)

run_test<bs>(span, num_blocks, do_init, do_read, do_write)

Referenced by main().

---

Function Documentation

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 164 of file benchmark_random_block_access.cpp.

References block_size, KB, MB, run, and usage().

template<unsigned BlockSize>

void run_test	(	stxxl::int64	span,
		stxxl::int64	num_blocks,
		bool	do_init,
		bool	do_read,
		bool	do_write
	)

Definition at line 73 of file benchmark_random_block_access.cpp.

References stxxl::add_IEC_binary_multiplier(), stxxl::div_ceil(), MB, stxxl::random_shuffle(), STXXL_DEFAULT_ALLOC_STRATEGY, stxxl::STXXL_MIN(), stxxl::timestamp(), and stxxl::wait_all().

void usage

(

const char *

argv0

)

Definition at line 50 of file benchmark_random_block_access.cpp.