GPU printf FIFO size cudaLimitMallocHeapSize = 0x02 GPU malloc heap size cudaLimitDevRuntimeSyncDepth = 0x03 GPU device runtime synchronize depth cudaLimitDevRuntimePendingLaunchCount = 0x04 GPU device runtime pending launch count cudaLimitMaxL2FetchGranularity = 0x05 A value between 0 an...
Notice the value of the variable aBegin in the Locals window.Click the Step Into icon or press F11. Notice that the value of the variable aBegin changed. The color red indicates that the value changed as a result of the last instruction executed, which in this case was the statement ...
__global__voidcheckGlobalVariable() {//display the original valueprintf("Device: the value of the global variable is %f\n",devData);//alter the valuedevData +=2.0f; }intmain(void) {//initialize the global variablefloatvalue =3.14f; cudaMemcpyToSymbol(devData,&value,sizeof(float)); print...
printf(" Error text: %s\n", \ cudaGetErrorString(error_code)); \ exit(1); \ } \ } while (0) 4.1.1 Checking CUDA runtime API functions using the macro function As an example, we check all the CUDA API functions in theadd2wrong.cuprogram of Chapter 3, obtaining thecheck1api.cu...
printf(" Error text: %s\n", \ cudaGetErrorString(error_code)); \ exit(1); \ } \ } while (0) 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 4.1.1 Checking CUDA runtime API functions using the macro function ...
__global__voidcheckGlobalVariable() {//display the original valueprintf("Device: the value of the global variable is %f\n",devData);//alter the valuedevData +=2.0f; }intmain(void) {//initialize the global variablefloatvalue =3.14f; ...
=r[i])printf("Error: d[%d]!=r[%d] (%d, %d)n",i,i,d[i],r[i]);// run dynamic shared memory versioncudaMemcpy(d_d,a,n*sizeof(int),cudaMemcpyHostToDevice);dynamicReverse<<<1,n,n*sizeof(int)>>>(d_d,n);cudaMemcpy(d,d_d,n*sizeof(int),cudaMemcpyDeviceToHost);for(...
printf("Host: the value changed by the kernel to %f\n",value); cudaDeviceReset(); returnEXIT_SUCCESS; } 编译运行: $ nvcc-arch=sm_20 globalVariable.cu-o globalVariable $./globalVariable 输出: Host:copied3.140000to theglobalvariable
N);break;default:printf("Error: wrong task\n");exit(1);break;}CHECK(cudaEventRecord(stop));...
索引v(value_t2) 并与 attn 值进行矩阵乘法运算 // CPU code reference void attention_forward_cpu(float* out, float* preatt, float* att, const float* inp, int B, int T, int C, int NH) { // input is (B, T, 3C) Q,K,V // preatt, att are (B, NH, T, T) // output is...