int main(int argc, char **argv) {
hsa_status_t err;
err = hsa_init();
check(Initializing the hsa runtime, err);
/*
* Determine if the finalizer 1.0 extension is supported.
*/
bool support;
err = hsa_system_extension_supported(HSA_EXTENSION_FINALIZER, 1, 0, &support);
check(Checking finalizer 1.0 extension support, err);
/*
* Generate the finalizer function table.
*/
hsa_ext_finalizer_1_00_pfn_t table_1_00;
err = hsa_system_get_extension_table(HSA_EXTENSION_FINALIZER, 1, 0, &table_1_00);
check(Generating function table for finalizer, err);
/*
* Iterate over the agents and pick the gpu agent using
* the get_gpu_agent callback.
*/
hsa_agent_t agent;
err = hsa_iterate_agents(get_gpu_agent, &agent);
if(err == HSA_STATUS_INFO_BREAK) { err = HSA_STATUS_SUCCESS; }
check(Getting a gpu agent, err);
/*
* Query the name of the agent.
*/
char name[64] = { 0 };
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_NAME, name);
check(Querying the agent name, err);
printf("The agent name is %s.\n", name);
/*
* Query the maximum size of the queue.
*/
uint32_t queue_size = 0;
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_QUEUE_MAX_SIZE, &queue_size);
check(Querying the agent maximum queue size, err);
printf("The maximum queue size is %u.\n", (unsigned int) queue_size);
/*
* Create a queue using the maximum size.
*/
hsa_queue_t* queue;
err = hsa_queue_create(agent, queue_size, HSA_QUEUE_TYPE_SINGLE, NULL, NULL, UINT32_MAX, UINT32_MAX, &queue);
check(Creating the queue, err);
/*
* Load the BRIG binary.
*/
hsa_ext_module_t module;
load_module_from_file("vector_copy.brig",&module);
/*
* Create hsa program.
*/
hsa_ext_program_t program;
memset(&program,0,sizeof(hsa_ext_program_t));
err = table_1_00.hsa_ext_program_create(HSA_MACHINE_MODEL_LARGE, HSA_PROFILE_FULL, HSA_DEFAULT_FLOAT_ROUNDING_MODE_DEFAULT, NULL, &program);
check(Create the program, err);
/*
* Add the BRIG module to hsa program.
*/
err = table_1_00.hsa_ext_program_add_module(program, module);
check(Adding the brig module to the program, err);
/*
* Determine the agents ISA.
*/
hsa_isa_t isa;
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_ISA, &isa);
check(Query the agents isa, err);
/*
* Finalize the program and extract the code object.
*/
hsa_ext_control_directives_t control_directives;
memset(&control_directives, 0, sizeof(hsa_ext_control_directives_t));
hsa_code_object_t code_object;
err = table_1_00.hsa_ext_program_finalize(program, isa, 0, control_directives, "", HSA_CODE_OBJECT_TYPE_PROGRAM, &code_object);
check(Finalizing the program, err);
/*
* Destroy the program, it is no longer needed.
*/
err=table_1_00.hsa_ext_program_destroy(program);
check(Destroying the program, err);
/*
* Create the empty executable.
*/
hsa_executable_t executable;
err = hsa_executable_create(HSA_PROFILE_FULL, HSA_EXECUTABLE_STATE_UNFROZEN, "", &executable);
check(Create the executable, err);
/*
* Load the code object.
*/
err = hsa_executable_load_code_object(executable, agent, code_object, "");
check(Loading the code object, err);
/*
* Freeze the executable; it can now be queried for symbols.
*/
err = hsa_executable_freeze(executable, "");
check(Freeze the executable, err);
/*
* Extract the symbol from the executable.
*/
hsa_executable_symbol_t symbol;
err = hsa_executable_get_symbol(executable, NULL, "&__vector_copy_kernel", agent, 0, &symbol);
check(Extract the symbol from the executable, err);
/*
* Extract dispatch information from the symbol
*/
uint64_t kernel_object;
uint32_t kernarg_segment_size;
uint32_t group_segment_size;
uint32_t private_segment_size;
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_OBJECT, &kernel_object);
check(Extracting the symbol from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_SIZE, &kernarg_segment_size);
check(Extracting the kernarg segment size from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_GROUP_SEGMENT_SIZE, &group_segment_size);
check(Extracting the group segment size from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_PRIVATE_SEGMENT_SIZE, &private_segment_size);
check(Extracting the private segment from the executable, err);
/*
* Create a signal to wait for the dispatch to finish.
*/
hsa_signal_t signal;
err=hsa_signal_create(1, 0, NULL, &signal);
check(Creating a HSA signal, err);
/*
* Allocate and initialize the kernel arguments and data.
*/
char* in=(char*)malloc(1024*1024*4);
memset(in, 1, 1024*1024*4);
err=hsa_memory_register(in, 1024*1024*4);
check(Registering argument memory for input parameter, err);
char* out=(char*)malloc(1024*1024*4);
memset(out, 0, 1024*1024*4);
err=hsa_memory_register(out, 1024*1024*4);
check(Registering argument memory for output parameter, err);
struct __attribute__ ((aligned(16))) args_t {
void* in;
void* out;
} args;
args.in=in;
args.out=out;
/*
* Find a memory region that supports kernel arguments.
*/
hsa_region_t kernarg_region;
kernarg_region.handle=(uint64_t)-1;
hsa_agent_iterate_regions(agent, get_kernarg_memory_region, &kernarg_region);
err = (kernarg_region.handle == (uint64_t)-1) ? HSA_STATUS_ERROR : HSA_STATUS_SUCCESS;
check(Finding a kernarg memory region, err);
void* kernarg_address = NULL;
/*
* Allocate the kernel argument buffer from the correct region.
*/
err = hsa_memory_allocate(kernarg_region, kernarg_segment_size, &kernarg_address);
check(Allocating kernel argument memory buffer, err);
memcpy(kernarg_address, &args, sizeof(args));
/*
* Obtain the current queue write index.
*/
uint64_t index = hsa_queue_load_write_index_relaxed(queue);
/*
* Write the aql packet at the calculated queue index address.
*/
const uint32_t queueMask = queue->size - 1;
hsa_kernel_dispatch_packet_t* dispatch_packet = &(((hsa_kernel_dispatch_packet_t*)(queue->base_address))[index&queueMask]);
dispatch_packet->setup |= 1 << HSA_KERNEL_DISPATCH_PACKET_SETUP_DIMENSIONS;
dispatch_packet->workgroup_size_x = (uint16_t)256;
dispatch_packet->workgroup_size_y = (uint16_t)1;
dispatch_packet->workgroup_size_z = (uint16_t)1;
dispatch_packet->grid_size_x = (uint32_t) (1024*1024);
dispatch_packet->grid_size_y = 1;
dispatch_packet->grid_size_z = 1;
dispatch_packet->completion_signal = signal;
dispatch_packet->kernel_object = kernel_object;
dispatch_packet->kernarg_address = (void*) kernarg_address;
dispatch_packet->private_segment_size = private_segment_size;
dispatch_packet->group_segment_size = group_segment_size;
uint16_t header = 0;
header |= HSA_FENCE_SCOPE_SYSTEM << HSA_PACKET_HEADER_ACQUIRE_FENCE_SCOPE;
header |= HSA_FENCE_SCOPE_SYSTEM << HSA_PACKET_HEADER_RELEASE_FENCE_SCOPE;
header |= HSA_PACKET_TYPE_KERNEL_DISPATCH << HSA_PACKET_HEADER_TYPE;
__atomic_store_n((uint16_t*)(&dispatch_packet->header), header, __ATOMIC_RELEASE);
/*
* Increment the write index and ring the doorbell to dispatch the kernel.
*/
hsa_queue_store_write_index_relaxed(queue, index+1);
hsa_signal_store_relaxed(queue->doorbell_signal, index);
check(Dispatching the kernel, err);
/*
* Wait on the dispatch completion signal until the kernel is finished.
*/
hsa_signal_value_t value = hsa_signal_wait_acquire(signal, HSA_SIGNAL_CONDITION_LT, 1, UINT64_MAX, HSA_WAIT_STATE_BLOCKED);
/*
* Validate the data in the output buffer.
*/
int valid=1;
int fail_index=0;
for(int i=0; i<1024*1024; i++) {
if(out[i]!=in[i]) {
fail_index=i;
valid=0;
break;
}
}
if(valid) {
printf("Passed validation.\n");
} else {
printf("VALIDATION FAILED!\nBad index: %d\n", fail_index);
}
/*
* Cleanup all allocated resources.
*/
err = hsa_memory_free(kernarg_address);
check(Freeing kernel argument memory buffer, err);
err=hsa_signal_destroy(signal);
check(Destroying the signal, err);
err=hsa_executable_destroy(executable);
check(Destroying the executable, err);
err=hsa_code_object_destroy(code_object);
check(Destroying the code object, err);
err=hsa_queue_destroy(queue);
check(Destroying the queue, err);
err=hsa_shut_down();
check(Shutting down the runtime, err);
free(in);
free(out);
return 0;
}
int main(int argc, char **argv)
{
struct timespec timer_1, timer_2;
hsa_status_t err;
err = hsa_init();
check(Initializing the hsa runtime, err);
/*
* Iterate over the agents and pick the gpu agent using
* the get_gpu_agent callback.
*/
hsa_agent_t agent;
err = hsa_iterate_agents(get_gpu_agent, &agent);
if(err == HSA_STATUS_INFO_BREAK) { err = HSA_STATUS_SUCCESS; }
check(Getting a gpu agent, err);
/*
* Query the name of the agent.
*/
char name[64] = { 0 };
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_NAME, name);
check(Querying the agent name, err);
printf("The agent name is %s.\n", name);
/*
* Query the maximum size of the queue.
*/
uint32_t queue_size = 0;
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_QUEUE_MAX_SIZE, &queue_size);
check(Querying the agent maximum queue size, err);
printf("The maximum queue size is %u.\n", (unsigned int) queue_size);
/*
* Create a queue using the maximum size.
*/
hsa_queue_t* queue;
err = hsa_queue_create(agent, queue_size, HSA_QUEUE_TYPE_SINGLE, NULL, NULL, UINT32_MAX, UINT32_MAX, &queue);
check(Creating the queue, err);
/*
* Load the BRIG binary.
*/
hsa_ext_module_t module;
load_module_from_file("vector_copy.brig",&module);
/*
* Create hsa program.
*/
hsa_ext_program_t program;
memset(&program,0,sizeof(hsa_ext_program_t));
err = hsa_ext_program_create(HSA_MACHINE_MODEL_LARGE, HSA_PROFILE_FULL, HSA_DEFAULT_FLOAT_ROUNDING_MODE_DEFAULT, NULL, &program);
check(Create the program, err);
/*
* Add the BRIG module to hsa program.
*/
err = hsa_ext_program_add_module(program, module);
check(Adding the brig module to the program, err);
/*
* Determine the agents ISA.
*/
hsa_isa_t isa;
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_ISA, &isa);
check(Query the agents isa, err);
/*
* Finalize the program and extract the code object.
*/
hsa_ext_control_directives_t control_directives;
memset(&control_directives, 0, sizeof(hsa_ext_control_directives_t));
hsa_code_object_t code_object;
err = hsa_ext_program_finalize(program, isa, 0, control_directives, "-O0", HSA_CODE_OBJECT_TYPE_PROGRAM, &code_object);
check(Finalizing the program, err);
/*
* Destroy the program, it is no longer needed.
*/
err=hsa_ext_program_destroy(program);
check(Destroying the program, err);
/*
* Create the empty executable.
*/
hsa_executable_t executable;
err = hsa_executable_create(HSA_PROFILE_FULL, HSA_EXECUTABLE_STATE_UNFROZEN, "", &executable);
check(Create the executable, err);
/*
* Load the code<F3> object.
*/
err = hsa_executable_load_code_object(executable, agent, code_object, "");
check(Loading the code object, err);
/*
* Freeze the executable; it can now be queried for symbols.
*/
err = hsa_executable_freeze(executable, "");
check(Freeze the executable, err);
/*
* Extract the symbol from the executable.
*/
hsa_executable_symbol_t symbol;
err = hsa_executable_get_symbol(executable, "", "&__OpenCL_vector_copy_kernel", agent, 0, &symbol);
check(Extract the symbol from the executable, err);
/*
* Extract dispatch information from the symbol
*/
uint64_t kernel_object;
uint32_t kernarg_segment_size;
uint32_t group_segment_size;
uint32_t private_segment_size;
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_OBJECT, &kernel_object);
check(Extracting the symbol from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_SIZE, &kernarg_segment_size);
check(Extracting the kernarg segment size from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_GROUP_SEGMENT_SIZE, &group_segment_size);
check(Extracting the group segment size from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_PRIVATE_SEGMENT_SIZE, &private_segment_size);
check(Extracting the private segment from the executable, err);
/*
* Create a signal to wait for the dispatch to finish.
*/
hsa_signal_t signal;
err=hsa_signal_create(1, 0, NULL, &signal);
check(Creating a HSA signal, err);
/*
* Allocate and initialize the kernel arguments and data.
*/
int* in=(int*)malloc(SIZE);
int i;
for(i=0;i<ELEMENT;i++)
in[i]=(rand()%50000+1);
err=hsa_memory_register(in, SIZE);
check(Registering argument memory for input parameter, err);
int* out=(int*)malloc(SIZE);
memset(out, 0, SIZE);
err=hsa_memory_register(out, SIZE);
check(Registering argument memory for output parameter, err);
int element = ELEMENT;
int iter = ITER;
struct __attribute__ ((aligned(16))) args_t {
uint64_t global_offset_0;
uint64_t global_offset_1;
uint64_t global_offset_2;
uint64_t printf_buffer;
uint64_t vqueue_pointer;
uint64_t aqlwrap_pointer;
void* in;
void* out;
int iter;
int element;
} args;
memset(&args, 0, sizeof(args));
args.in=in;
args.out=out;
args.element=element;
args.iter=iter;
/*
* Find a memory region that supports kernel arguments.
*/
hsa_region_t kernarg_region;
kernarg_region.handle=(uint64_t)-1;
hsa_agent_iterate_regions(agent, get_kernarg_memory_region, &kernarg_region);
err = (kernarg_region.handle == (uint64_t)-1) ? HSA_STATUS_ERROR : HSA_STATUS_SUCCESS;
check(Finding a kernarg memory region, err);
void* kernarg_address = NULL;
/*
* Allocate the kernel argument buffer from the correct region.
*/
err = hsa_memory_allocate(kernarg_region, kernarg_segment_size, &kernarg_address);
check(Allocating kernel argument memory buffer, err);
memcpy(kernarg_address, &args, sizeof(args));
/*
* Obtain the current queue write index.
*/
uint64_t index = hsa_queue_load_write_index_relaxed(queue);
/*
* Write the aql packet at the calculated queue index address.
*/
const uint32_t queueMask = queue->size - 1;
hsa_kernel_dispatch_packet_t* dispatch_packet = &(((hsa_kernel_dispatch_packet_t*)(queue->base_address))[index&queueMask]);
dispatch_packet->header |= HSA_FENCE_SCOPE_SYSTEM << HSA_PACKET_HEADER_ACQUIRE_FENCE_SCOPE;
dispatch_packet->header |= HSA_FENCE_SCOPE_SYSTEM << HSA_PACKET_HEADER_RELEASE_FENCE_SCOPE;
dispatch_packet->setup |= 1 << HSA_KERNEL_DISPATCH_PACKET_SETUP_DIMENSIONS;
dispatch_packet->workgroup_size_x = (uint16_t)LOCAL_SIZE;
dispatch_packet->workgroup_size_y = (uint16_t)1;
dispatch_packet->workgroup_size_z = (uint16_t)1;
dispatch_packet->grid_size_x = (uint32_t) (GLOBAL_SIZE);
dispatch_packet->grid_size_y = 1;
dispatch_packet->grid_size_z = 1;
dispatch_packet->completion_signal = signal;
dispatch_packet->kernel_object = kernel_object;
dispatch_packet->kernarg_address = (void*) kernarg_address;
dispatch_packet->private_segment_size = private_segment_size;
dispatch_packet->group_segment_size = group_segment_size;
__atomic_store_n((uint8_t*)(&dispatch_packet->header), (uint8_t)HSA_PACKET_TYPE_KERNEL_DISPATCH, __ATOMIC_RELEASE);
/*
* Increment the write index and ring the doorbell to dispatch the kernel.
*/
tic(&timer_1);
hsa_queue_store_write_index_relaxed(queue, index+1);
hsa_signal_store_relaxed(queue->doorbell_signal, index);
check(Dispatching the kernel, err);
/*
* Wait on the dispatch completion signal until the kernel is finished.
*/
hsa_signal_value_t value = hsa_signal_wait_acquire(signal, HSA_SIGNAL_CONDITION_LT, 1, UINT64_MAX, HSA_WAIT_STATE_BLOCKED);
toc("Execution Period", &timer_1, &timer_2);
/*
* Validate the data in the output buffer.
*/
int temp = 0;
for(i=0;i<element;i++)
{
if(temp<in[i])
temp = in[i];
}
if(temp==out[GLOBAL_SIZE])
printf("PASS \n");
else
printf("FAIL out=%d in=%d \n",out[GLOBAL_SIZE],temp);
/*
* Cleanup all allocated resources.
*/
err=hsa_signal_destroy(signal);
check(Destroying the signal, err);
err=hsa_executable_destroy(executable);
check(Destroying the executable, err);
err=hsa_code_object_destroy(code_object);
check(Destroying the code object, err);
err=hsa_queue_destroy(queue);
check(Destroying the queue, err);
err=hsa_shut_down();
check(Shutting down the runtime, err);
free(in);
free(out);
//printf("kernarg_segment_size:%d group_segment_size:%d private_segment_size:%d",kernarg_segment_size,group_segment_size,private_segment_size);
return 0;
}
void initial_kernel()
{
hsa_status_t err;
err = hsa_init();
check(Initializing the hsa runtime, err);
/*
* Iterate over the agents and pick the gpu agent using
* the get_gpu_agent callback.
*/
hsa_agent_t agent;
err = hsa_iterate_agents(get_gpu_agent, &agent);
if(err == HSA_STATUS_INFO_BREAK) { err = HSA_STATUS_SUCCESS; }
check(Getting a gpu agent, err);
/*
* Query the name of the agent.
*/
char name[64] = { 0 };
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_NAME, name);
check(Querying the agent name, err);
fprintf(stderr, "The agent name is %s.\n", name);
/*
* Query the maximum size of the queue.
*/
uint32_t queue_size = 0;
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_QUEUE_MAX_SIZE, &queue_size);
check(Querying the agent maximum queue size, err);
fprintf(stderr, "The maximum queue size is %u.\n", (unsigned int) queue_size);
/*
* Create a queue using the maximum size.
*/
err = hsa_queue_create(agent, queue_size, HSA_QUEUE_TYPE_SINGLE, NULL, NULL, UINT32_MAX, UINT32_MAX, &queue);
check(Creating the queue, err);
/*
* Load the BRIG binary.
*/
hsa_ext_module_t module;
load_module_from_file("shader_hsa.brig",&module);
/*
* Create hsa program.
*/
hsa_ext_program_t program;
memset(&program,0,sizeof(hsa_ext_program_t));
err = hsa_ext_program_create(HSA_MACHINE_MODEL_LARGE, HSA_PROFILE_FULL, HSA_DEFAULT_FLOAT_ROUNDING_MODE_DEFAULT, NULL, &program);
check(Create the program, err);
/*
* Add the BRIG module to hsa program.
*/
err = hsa_ext_program_add_module(program, module);
check(Adding the brig module to the program, err);
/*
* Determine the agents ISA.
*/
hsa_isa_t isa;
err = hsa_agent_get_info(agent, HSA_AGENT_INFO_ISA, &isa);
check(Query the agents isa, err);
/*
* Finalize the program and extract the code object.
*/
hsa_ext_control_directives_t control_directives;
memset(&control_directives, 0, sizeof(hsa_ext_control_directives_t));
hsa_code_object_t code_object;
err = hsa_ext_program_finalize(program, isa, 0, control_directives, "", HSA_CODE_OBJECT_TYPE_PROGRAM, &code_object);
check(Finalizing the program, err);
/*
* Destroy the program, it is no longer needed.
*/
err=hsa_ext_program_destroy(program);
check(Destroying the program, err);
/*
* Create the empty executable.
*/
hsa_executable_t executable;
err = hsa_executable_create(HSA_PROFILE_FULL, HSA_EXECUTABLE_STATE_UNFROZEN, "", &executable);
check(Create the executable, err);
/*
* Load the code object.
*/
err = hsa_executable_load_code_object(executable, agent, code_object, "");
check(Loading the code object, err);
/*
* Freeze the executable; it can now be queried for symbols.
*/
err = hsa_executable_freeze(executable, "");
check(Freeze the executable, err);
/*
* Extract the symbol from the executable.
*/
hsa_executable_symbol_t symbol;
err = hsa_executable_get_symbol(executable, "", "&__OpenCL_cal_diskernel_kernel", agent, 0, &symbol);
check(Extract the symbol from the executable, err);
/*
* Extract dispatch information from the symbol
*/
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_OBJECT, &kernel_object);
check(Extracting the symbol from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_KERNARG_SEGMENT_SIZE, &kernarg_segment_size);
check(Extracting the kernarg segment size from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_GROUP_SEGMENT_SIZE, &group_segment_size);
check(Extracting the group segment size from the executable, err);
err = hsa_executable_symbol_get_info(symbol, HSA_EXECUTABLE_SYMBOL_INFO_KERNEL_PRIVATE_SEGMENT_SIZE, &private_segment_size);
check(Extracting the private segment from the executable, err);
/*
* Create a signal to wait for the dispatch to finish.
*/
err=hsa_signal_create(1, 0, NULL, &signal);
check(Creating a HSA signal, err);
/*
* Allocate and initialize the kernel arguments and data.
*/
err |= hsa_memory_register(data, sizeof(float)*N_DCNT*N_DIM);
err |= hsa_memory_register(cent, sizeof(float)*N_K*N_DIM);
err |= hsa_memory_register(table, sizeof(int)*N_DCNT);
err |= hsa_memory_register(chpt, sizeof(int)*N_DCNT);
err |= hsa_memory_register(cent_c, sizeof(int)*N_DCNT);
err |= hsa_memory_register(min_dis, sizeof(float)*N_DCNT);
check(Registering argument memory for output parameter, err);
struct __attribute__ ((aligned(16))) args_t {
uint64_t global_offset_0;
uint64_t global_offset_1;
uint64_t global_offset_2;
uint64_t printf_buffer;
uint64_t vqueue_pointer;
uint64_t aqlwrap_pointer;
void * data_ker;
void * cent_ker;
void * table;
unsigned int K;
unsigned int DIM;
unsigned int DCNT;
void * chpt;
void * cent_c_ker;
void * min_dis;
} args;
memset(&args, 0, sizeof(args));
args.data_ker = data;
args.cent_ker = cent;
args.table = table;
args.K = N_K;
args.DIM = N_DIM;
args.DCNT = N_DCNT;
args.chpt = chpt;
args.cent_c_ker = cent_c_ker;
args.min_dis = min_dis;
/*
* Find a memory region that supports kernel arguments.
*/
hsa_region_t kernarg_region;
kernarg_region.handle=(uint64_t)-1;
hsa_agent_iterate_regions(agent, get_kernarg_memory_region, &kernarg_region);
err = (kernarg_region.handle == (uint64_t)-1) ? HSA_STATUS_ERROR : HSA_STATUS_SUCCESS;
check(Finding a kernarg memory region, err);
/*
* Allocate the kernel argument buffer from the correct region.
*/
err = hsa_memory_allocate(kernarg_region, kernarg_segment_size, &kernarg_address);
check(Allocating kernel argument memory buffer, err);
memcpy(kernarg_address, &args, sizeof(args));
}