diff options
Diffstat (limited to 'libcuda')
| -rw-r--r-- | libcuda/cuda_runtime_api.cc | 68 |
1 files changed, 54 insertions, 14 deletions
diff --git a/libcuda/cuda_runtime_api.cc b/libcuda/cuda_runtime_api.cc index cf16d9b..3a9d613 100644 --- a/libcuda/cuda_runtime_api.cc +++ b/libcuda/cuda_runtime_api.cc @@ -354,8 +354,8 @@ struct _cuda_device_id *GPGPUSim_Init() cudaDeviceProp *prop = (cudaDeviceProp *) calloc(sizeof(cudaDeviceProp),1); snprintf(prop->name,256,"GPGPU-Sim_v%s", g_gpgpusim_version_string ); - prop->major = 5; - prop->minor = 2; + prop->major = the_gpu->compute_capability_major(); + prop->minor = the_gpu->compute_capability_minor(); prop->totalGlobalMem = 0x80000000 /* 2 GB */; prop->memPitch = 0; if(prop->major >= 2) { @@ -1120,11 +1120,11 @@ __host__ cudaError_t CUDARTAPI cudaDeviceGetAttribute(int *value, enum cudaDevic case 41: *value= 0; break; - case 75: - *value= 9 ; + case 75://cudaDevAttrComputeCapabilityMajor + *value= prop->major ; break; - case 76: - *value= 3 ; + case 76://cudaDevAttrComputeCapabilityMinor + *value= prop->minor ; break; case 78: *value= 0 ; //TODO: as of now, we dont support stream priorities. @@ -1199,17 +1199,50 @@ __host__ cudaError_t CUDARTAPI cudaGetDevice(int *device) *device = g_active_device; return g_last_cudaError = cudaSuccess; } + __host__ cudaError_t CUDARTAPI cudaDeviceGetLimit ( size_t* pValue, cudaLimit limit ) { if(g_debug_execution >= 3){ announce_call(__my_func__); } - cuda_not_implemented(__my_func__,__LINE__); - return g_last_cudaError = cudaSuccess; + _cuda_device_id *dev = GPGPUSim_Init(); + const struct cudaDeviceProp *prop = dev->get_prop(); + const gpgpu_sim_config& config=dev->get_gpgpu()->get_config(); + switch(limit) { + case 0: // cudaLimitStackSize + *pValue=config.stack_limit(); + break; + case 2: // cudaLimitMallocHeapSize + *pValue=config.heap_limit(); + break; +#if (CUDART_VERSION > 5050) + case 3: // cudaLimitDevRuntimeSyncDepth + if(prop->major > 2){ + *pValue=config.sync_depth_limit(); + break; + } + else{ + printf("ERROR:Limit %s is not supported on this architecture \n",limit); + abort(); + } + case 4: // cudaLimitDevRuntimePendingLaunchCount + if(prop->major > 2){ + *pValue=config.pending_launch_count_limit(); + break; + } + else{ + printf("ERROR:Limit %s is not supported on this architecture \n",limit); + abort(); + } +#endif + default: + printf("ERROR:Limit %s unimplemented \n",limit); + abort(); + } + return g_last_cudaError = cudaSuccess; } - __host__ cudaError_t CUDARTAPI cudaStreamGetPriority ( cudaStream_t hStream, int* priority ) { if(g_debug_execution >= 3){ @@ -1569,9 +1602,9 @@ __host__ cudaError_t CUDARTAPI cudaStreamDestroy(cudaStream_t stream) announce_call(__my_func__); } #if (CUDART_VERSION >= 3000) - //synchronization required for application using external libraries without explicit synchronization in the code to + //per-stream synchronization required for application using external libraries without explicit synchronization in the code to //avoid the stream_manager from spinning forever to destroy non-empty streams without making any forward progress. - synchronize(); + stream->synchronize(); g_stream_manager->destroy_stream(stream); #endif return g_last_cudaError = cudaSuccess; @@ -2698,14 +2731,14 @@ cudaError_t cudaDeviceReset ( void ) { return g_last_cudaError = cudaSuccess; } cudaError_t CUDARTAPI cudaDeviceSynchronize(void){ - // I don't know what this should do if(g_debug_execution >= 3){ announce_call(__my_func__); } + //Blocks until the device has completed all preceding requested tasks + synchronize(); return g_last_cudaError = cudaSuccess; } - void CUDARTAPI __cudaRegisterFunction( void **fatCubinHandle, const char *hostFun, @@ -3135,6 +3168,8 @@ __host__ cudaError_t CUDARTAPI cudaDeviceSetLimit(enum cudaLimit limit, size_t v } return g_last_cudaError = cudaSuccess; } + + #endif #endif @@ -3313,7 +3348,12 @@ kernel_info_t *gpgpu_cuda_ptx_sim_init_grid( const char *hostFun, announce_call(__my_func__); } function_info *entry = context->get_kernel(hostFun); - kernel_info_t *result = new kernel_info_t(gridDim,blockDim,entry); + gpgpu_t* gpu= context->get_device()->get_gpgpu(); + /* + Passing a snapshot of the GPU's current texture mapping to the kernel's info + as kernels should use texture bindings present at the time of their launch. + */ + kernel_info_t *result = new kernel_info_t(gridDim,blockDim,entry,gpu->getNameArrayMapping(),gpu->getNameInfoMapping()); if( entry == NULL ) { printf("GPGPU-Sim PTX: ERROR launching kernel -- no PTX implementation found for %p\n", hostFun); abort(); |