本文整理汇总了C#中GThread.atomicAdd方法的典型用法代码示例。如果您正苦于以下问题：C# GThread.atomicAdd方法的具体用法？C# GThread.atomicAdd怎么用？C# GThread.atomicAdd使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GThread的用法示例。
在下文中一共展示了GThread.atomicAdd方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: histo_kernel
public static void histo_kernel(GThread thread, byte[] buffer, int size, uint[] histo)
{
// clear out the accumulation buffer called temp
// since we are launched with 256 threads, it is easy
// to clear that memory with one write per thread
uint[] temp = thread.AllocateShared<uint>("temp", 256);
temp[thread.threadIdx.x] = 0;
thread.SyncThreads();
// calculate the starting index and the offset to the next
// block that each thread will be processing
int i = thread.threadIdx.x + thread.blockIdx.x * thread.blockDim.x;
int stride = thread.blockDim.x * thread.gridDim.x;
while (i < size)
{
thread.atomicAdd(ref temp[buffer[i]], 1 );
i += stride;
}
// sync the data from the above writes to shared memory
// then add the shared memory values to the values from
// the other thread blocks using global memory
// atomic adds
// same as before, since we have 256 threads, updating the
// global histogram is just one write per thread!
thread.SyncThreads();
thread.atomicAdd(ref (histo[thread.threadIdx.x]), temp[thread.threadIdx.x]);
}示例2: atomicsTestUInt32
public static void atomicsTestUInt32(GThread thread, uint[] input, uint[] output)
{
int i = 0;
int x = 0;
output[i++] = thread.atomicAdd(ref input[x], 42); // 42
output[i++] = thread.atomicSub(ref input[x], 21); // 21
output[i++] = thread.atomicIncEx(ref input[x]); // 22
output[i++] = thread.atomicIncEx(ref input[x]); // 23
output[i++] = thread.atomicMax(ref input[x], 50); // 50
output[i++] = thread.atomicMin(ref input[x], 40); // 40
output[i++] = thread.atomicOr(ref input[x], 16); // 56
output[i++] = thread.atomicAnd(ref input[x], 15); // 8
output[i++] = thread.atomicXor(ref input[x], 15); // 7
output[i++] = thread.atomicExch(ref input[x], 88);// 88
output[i++] = thread.atomicCAS(ref input[x], 88, 123);// 123
output[i++] = thread.atomicCAS(ref input[x], 321, 222);// 123
output[i++] = thread.atomicDecEx(ref input[x]); // 122
}示例3: MultiplySparseGPU2
public static void MultiplySparseGPU2(GThread thread, int kernelCount, int[] indicesA, float[] valuesA, int nonzeroCountA, int colCountA, float[] B, int colCountB, float[] C, int transposeA)
{
var index = (thread.blockIdx.x * thread.blockDim.x) + thread.threadIdx.x;
while (index < kernelCount)
{
var colB = index % colCountB;
var arrayIndex = index / colCountB;
var value = valuesA[arrayIndex];
var indexA = indicesA[arrayIndex];
var rowA = indexA / colCountA;
var colA = indexA % colCountA;
if (transposeA != 0)
{
var tmp = rowA;
rowA = colA;
colA = tmp;
}
var valB = B[colA * colCountB + colB];
var mul = value * valB;
var indexC = rowA * colCountB + colB;
thread.atomicAdd(ref C[indexC], mul);
index += thread.blockDim.x * thread.gridDim.x;
}
}