opencl Namespace Reference

Typedefs
using	nat_type = sigmaodd::nat_type
using	prime_type = sigmaodd::prime_type

Functions
std::string	get_device_info_string (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
cl::Device	get_first_device_gpu ()
	Return the first GPU device found. If not found then print an error message and exit. More...
std::string	error_name (cl_int code)
	Return the error name corresponding to the error code. More...
void	print_device (const cl::Device &device)
	Print information on this device. More...
void	print_error (cl_int code, std::string message="", bool only_if_error=true, bool exit_if_error=true)
	Print an error message corresponding to the error code. More...
void	print_platform (const cl::Platform &platform)
	Print information on this platform. More...
void	print_platforms ()
	Print information on all platforms. More...
cl_bool	get_device_info_cl_bool (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
cl_device_fp_config	get_device_info_cl_device_fp_config (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
cl_device_local_mem_type	get_device_info_cl_device_local_mem_type (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
cl_device_mem_cache_type	get_device_info_cl_device_mem_cache_type (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
cl_device_type	get_device_info_cl_device_type (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
cl_uint	get_device_info_cl_uint (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
cl_ulong	get_device_info_cl_ulong (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
size_t	get_device_info_size_t (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
VECTOR_CLASS<::size_t >	get_device_info_vector_size_t (const cl::Device &device, cl_device_info info)
	Return the corresponding information about the device. More...
std::set< nat_type >	opencl_check_gentle_varsigma_odd (nat_type first_n, nat_type last_n, unsigned int opencl_nb_number=65536, bool print_bad=true, bool print_time=true)
	Check in the order all odd gentle numbers between first_n and last_n, and if print_bad then print all bad numbers between first_n and last_n (included). The consequence of the result is that: if (all numbers < first_n respect the conjecture) and (all perfect squares < last_n respect the conjecture) and (all bad numbers < last_n respect the conjecture) then all numbers < last_n respect the conjecture. More...
std::set< nat_type >	opencl_check_gentle_varsigma_odd__parallelize_factorization (nat_type first_n, nat_type last_n, unsigned int opencl_nb=1024, bool print_bad=true, bool print_time=true)
	Like opencl_check_gentle_varsigma_odd() but instead parallelize on group of opencl_nb numbers, compute separately for each number and parallelize the factorization. More...
std::vector< nat_type >	opencl_check_ns (const std::vector< nat_type > &ns)
	Check all numbers in ns and return vector of all bad numbers found. More...
std::vector< nat_type >	opencl_run_program_on_ns (const std::string &filename, const std::string &kernal_name, const std::vector< nat_type > &ns)
	Run the OpenCL program from filename on ns. Used for tests. More...

Variables
const std::map< int32_t, std::string >	errors_map
	Table associating error codes to error names. More...

Typedef Documentation

nat_type

using opencl::nat_type = typedef sigmaodd::nat_type

Definition at line 28 of file helper.hpp.

prime_type

using opencl::prime_type = typedef sigmaodd::prime_type

Definition at line 29 of file helper.hpp.

Function Documentation

error_name()

std::string opencl::error_name

(

cl_int

code

)

Return the error name corresponding to the error code.

Definition at line 215 of file helper.cpp.

get_device_info_cl_bool()

cl_bool opencl::get_device_info_cl_bool	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_device_info_cl_device_fp_config()

cl_device_fp_config opencl::get_device_info_cl_device_fp_config	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_device_info_cl_device_local_mem_type()

cl_device_local_mem_type opencl::get_device_info_cl_device_local_mem_type	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_device_info_cl_device_mem_cache_type()

cl_device_mem_cache_type opencl::get_device_info_cl_device_mem_cache_type	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_device_info_cl_device_type()

cl_device_type opencl::get_device_info_cl_device_type	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_device_info_cl_uint()

cl_uint opencl::get_device_info_cl_uint	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_device_info_cl_ulong()

cl_ulong opencl::get_device_info_cl_ulong	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_device_info_size_t()

size_t opencl::get_device_info_size_t	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_device_info_string()

std::string opencl::get_device_info_string	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

Definition at line 169 of file helper.cpp.

get_device_info_vector_size_t()

VECTOR_CLASS<::size_t> opencl::get_device_info_vector_size_t	(	const cl::Device &	device,
		cl_device_info	info
	)

Return the corresponding information about the device.

get_first_device_gpu()

cl::Device opencl::get_first_device_gpu

(

)

Return the first GPU device found. If not found then print an error message and exit.

Definition at line 194 of file helper.cpp.

opencl_check_gentle_varsigma_odd()

std::set< nat_type > opencl::opencl_check_gentle_varsigma_odd	(	nat_type	first_n,
		nat_type	last_n,
		unsigned int	opencl_nb_number = 65536,
		bool	print_bad = true,
		bool	print_time = true
	)

Check in the order all odd gentle numbers between first_n and last_n, and if print_bad then print all bad numbers between first_n and last_n (included). The consequence of the result is that: if (all numbers < first_n respect the conjecture) and (all perfect squares < last_n respect the conjecture) and (all bad numbers < last_n respect the conjecture) then all numbers < last_n respect the conjecture.

If prime_time then print the calculation time computed by OpenCL.

sigmaodd::primes.cpp must be compiled without the macro PRIME16.

Parameters

first_n	3 <= odd <= last_n
last_n	<= MAX_POSSIBLE_N
opencl_nb_number	number of n transmitted to OpenCL in one step
print_bad
print_time

Returns

the set of all bad numbers between first_n and last_n (included)

Definition at line 31 of file opencl.cpp.

opencl_check_gentle_varsigma_odd__parallelize_factorization()

std::set< nat_type > opencl::opencl_check_gentle_varsigma_odd__parallelize_factorization	(	nat_type	first_n,
		nat_type	last_n,
		unsigned int	opencl_nb = 1024,
		bool	print_bad = true,
		bool	print_time = true
	)

Like opencl_check_gentle_varsigma_odd() but instead parallelize on group of opencl_nb numbers, compute separately for each number and parallelize the factorization.

sigmaodd::primes.cpp must be compiled without the macro PRIME16.

Parameters

first_n	3 <= odd <= last_n
last_n	<= MAX_POSSIBLE_N
opencl_nb	number of OpenCL units (must be a power of 2, at least 2)
print_bad
print_time

Returns

the set of all bad numbers between first_n and last_n (included)

Definition at line 219 of file opencl.cpp.

opencl_check_ns()

std::vector< nat_type > opencl::opencl_check_ns

(

const std::vector< nat_type > &

ns

)

Check all numbers in ns and return vector of all bad numbers found.

Parameters

ns	vector of odds

Definition at line 440 of file opencl.cpp.

opencl_run_program_on_ns()

std::vector< nat_type > opencl::opencl_run_program_on_ns	(	const std::string &	filename,
		const std::string &	kernal_name,
		const std::vector< nat_type > &	ns
	)

Run the OpenCL program from filename on ns. Used for tests.

Definition at line 516 of file opencl.cpp.

print_device()

void opencl::print_device

(

const cl::Device &

device

)

Print information on this device.

Definition at line 225 of file helper.cpp.

print_error()

void opencl::print_error	(	cl_int	code,
		std::string	message = "",
		bool	only_if_error = true,
		bool	exit_if_error = true
	)

Print an error message corresponding to the error code.

If only_if_error then print only if != 0, else print same if code == 0.

If exit_if_error and (code != 0) then exit.

Definition at line 352 of file helper.cpp.

print_platform()

void opencl::print_platform

(

const cl::Platform &

platform

)

Print information on this platform.

Definition at line 373 of file helper.cpp.

print_platforms()

void opencl::print_platforms

(

)

Print information on all platforms.

Definition at line 407 of file helper.cpp.

Variable Documentation

errors_map

const std::map< int32_t, std::string > opencl::errors_map

Table associating error codes to error names.

https://www.khronos.org/registry/OpenCL/sdk/1.0/docs/man/xhtml/errors.html

Definition at line 28 of file helper.cpp.