CarmaContext Class Reference

this class provides the context in which CarmaObj are created More...

#include <carma_context.h>

Collaboration diagram for CarmaContext:

Public Member Functions
	~CarmaContext ()
int	get_ndevice ()
CarmaDevice *	get_device (int dev)
int	get_active_device ()
int	get_active_real_device ()
int	get_cuda_runtime_get_version ()
int	get_cuda_driver_get_version ()
std::string	get_device_name (int device)
std::string	get_device_info (int device)
std::string	get_device_mem_info (int device)
int	_set_active_device_for_copy (int new_device, int silent, std::string file, int line)
int	_set_active_device (int new_device, int silent, std::string file, int line)
int	_set_active_device_force (int new_device, int silent, std::string file, int line)
int	get_max_gflops_device_id ()
cublasHandle_t	get_cublas_handle ()
cusparseHandle_t	get_cusparse_handle ()
cublasHandle_t	get_cublas_handle (int device)
cusparseHandle_t	get_cusparse_handle (int device)
bool	can_p2p (int dev1, int dev2)
std::string	magma_info ()

Static Public Member Functions
static CarmaContext &	instance_1gpu (int num_device)
static CarmaContext &	instance_ngpu (int nb_devices, int32_t *devices_id)
static CarmaContext &	instance ()

Detailed Description

this class provides the context in which CarmaObj are created

Author

COMPASS Team https://github.com/ANR-COMPASS

Version

5.0.0

Date

2011/01/28

Copyright

GNU Lesser General Public License

Definition at line 104 of file carma_context.h.

Constructor & Destructor Documentation

~CarmaContext()

CarmaContext::~CarmaContext

(

)

Member Function Documentation

_set_active_device()

int CarmaContext::_set_active_device	(	int	new_device,
		int	silent,
		std::string	file,
		int	line
	)

Definition at line 159 of file carma_context.h.

                                         {
    return (this->active_device != new_device)
               ? _set_active_device_force(new_device, silent, file, line)
               : active_device;
  }

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_set_active_device_for_copy()

int CarmaContext::_set_active_device_for_copy	(	int	new_device,
		int	silent,
		std::string	file,
		int	line
	)

Definition at line 152 of file carma_context.h.

                                                               {
    if (new_device > ndevice) return -1;
    return (can_access_peer[active_device][new_device] != 1)
               ? _set_active_device(new_device, silent, file, line)
               : active_device;
  }

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_set_active_device_force()

int CarmaContext::_set_active_device_force	(	int	new_device,
		int	silent,
		std::string	file,
		int	line
	)

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can_p2p()

bool CarmaContext::can_p2p	(	int	dev1,
		int	dev2
	)

Definition at line 179 of file carma_context.h.

{ return can_access_peer[dev1][dev2]; }

get_active_device()

int CarmaContext::get_active_device

(

)

Definition at line 133 of file carma_context.h.

{ return active_device; }

get_active_real_device()

int CarmaContext::get_active_real_device

(

)

Definition at line 134 of file carma_context.h.

{ return devices[active_device]->get_id(); }

get_cublas_handle() [1/2]

cublasHandle_t CarmaContext::get_cublas_handle

(

)

Definition at line 168 of file carma_context.h.

{ return get_cublas_handle(active_device); }

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get_cublas_handle() [2/2]

cublasHandle_t CarmaContext::get_cublas_handle

(

int

device

)

Definition at line 173 of file carma_context.h.

                                               {
    return devices[device]->get_cublas_handle();
  }

get_cuda_driver_get_version()

int CarmaContext::get_cuda_driver_get_version

(

)

Definition at line 142 of file carma_context.h.

                                    {
    int driver_version;
    carma_safe_call(cudaRuntimeGetVersion(&driver_version));
    return driver_version;
  }

get_cuda_runtime_get_version()

int CarmaContext::get_cuda_runtime_get_version

(

)

Definition at line 136 of file carma_context.h.

                                     {
    int runtime_version;
    carma_safe_call(cudaRuntimeGetVersion(&runtime_version));
    return runtime_version;
  }

get_cusparse_handle() [1/2]

cusparseHandle_t CarmaContext::get_cusparse_handle

(

)

Definition at line 169 of file carma_context.h.

                                         {
    return get_cusparse_handle(active_device);
  }

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get_cusparse_handle() [2/2]

cusparseHandle_t CarmaContext::get_cusparse_handle

(

int

device

)

Definition at line 176 of file carma_context.h.

                                                   {
    return devices[device]->get_cusparse_handle();
  }

get_device()

CarmaDevice* CarmaContext::get_device

(

int

dev

)

Definition at line 132 of file carma_context.h.

{ return devices[dev]; }

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get_device_info()

std::string CarmaContext::get_device_info

(

int

device

)

get_device_mem_info()

std::string CarmaContext::get_device_mem_info

(

int

device

)

get_device_name()

std::string CarmaContext::get_device_name

(

int

device

)

get_max_gflops_device_id()

int CarmaContext::get_max_gflops_device_id

(

)

get_ndevice()

int CarmaContext::get_ndevice

(

)

Definition at line 131 of file carma_context.h.

{ return ndevice; }

instance()

static CarmaContext& CarmaContext::instance ( )

static

instance_1gpu()

static CarmaContext& CarmaContext::instance_1gpu ( int  num_device )

static

instance_ngpu()

static CarmaContext& CarmaContext::instance_ngpu ( int  nb_devices, int32_t *  devices_id  )

static

magma_info()

std::string CarmaContext::magma_info

(

)

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The documentation for this class was generated from the following file:

• carma_context.h