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gpu_kernels.cu
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gpu_kernels.cu
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#include "gpu_kernels.cuh"
__device__ void gpu_sync(int goalVal, volatile int *arrayIn, volatile int *arrayOut) {
int tidInBlock = blockDim.y * threadIdx.x + threadIdx.y;
int blockId = blockIdx.x * gridDim.y + blockIdx.y;
int nBlockNum = gridDim.x * gridDim.y;
if (tidInBlock == 0) {
arrayIn[blockId] = goalVal;
}
if (blockId == 0) {
if (tidInBlock < nBlockNum) {
while (arrayIn[tidInBlock] != goalVal) {
}
}
__syncthreads();
if (tidInBlock < nBlockNum) {
arrayOut[tidInBlock] = goalVal;
}
}
if (tidInBlock == 0) {
while (arrayOut[blockId] != goalVal) {
}
if (blockId == 0) {
}
}
__syncthreads();
}
//__device__ vola int g_mutex;
__device__ void gpu_sync(int goalVal, volatile int *g_mutex) {
int tidInBlock = blockDim.y * threadIdx.x + threadIdx.y;
int tid = blockDim.x * blockIdx.x + threadIdx.x;
if (tidInBlock == 0) {
atomicAdd((int *) g_mutex, 1);
while ((*g_mutex) != goalVal) {
}
}
__syncthreads();
}
__global__ void
setLabeling(uint vertexNum, bool *labelD, uint *labelingD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (labelD[vertexId]) {
labelingD[vertexId] = 1;
//printf("vertex[%d] set 1\n", vertexId);
} else {
labelingD[vertexId] = 0;
}
});
}
__global__ void
setActiveNodeArrayAndNodePointerOpt(uint vertexNum, uint *activeNodes, uint *activeNodePointers, uint *activeLabel,
uint *activeLabelPrefix, uint overloadVertex, uint *degreeD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
activeNodes[activeLabelPrefix[vertexId]] = vertexId;
if (vertexId > overloadVertex) {
activeNodePointers[activeLabelPrefix[vertexId]] = degreeD[vertexId];
activeLabel[vertexId] = 1;
} else {
activeNodePointers[activeLabelPrefix[vertexId]] = 0;
activeLabel[vertexId] = 0;
}
}
});
}
__global__ void
setActiveNodeArrayAndNodePointerSwap(uint vertexNum, uint *activeNodes, uint *activeLabel,
uint *activeLabelPrefix, bool *isInD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
activeNodes[activeLabelPrefix[vertexId]] = vertexId;
if (!isInD[vertexId]) {
activeLabel[vertexId] = 1;
} else {
activeLabel[vertexId] = 0;
}
}
});
}
__global__ void
setOverloadActiveNodeArray(uint vertexNum, uint *activeNodes, uint *overloadLabel,
uint *activeLabelPrefix) {
streamVertices(vertexNum, [&](uint vertexId) {
if (overloadLabel[vertexId]) {
activeNodes[activeLabelPrefix[vertexId]] = vertexId;
}
});
}
__global__ void
setStaticAndOverloadLabel(uint vertexNum, uint *activeLabel, uint *staticLabel, uint *overloadLabel, bool *isInD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
if (isInD[vertexId]) {
staticLabel[vertexId] = 1;
} else {
overloadLabel[vertexId] = 1;
}
}
});
}
__global__ void
setStaticAndOverloadLabelBool(uint vertexNum, bool *activeLabel, bool *staticLabel, bool *overloadLabel, bool *isInD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
if (isInD[vertexId]) {
staticLabel[vertexId] = 1;
} else {
overloadLabel[vertexId] = 1;
}
}
});
}
__global__ void
setStaticAndOverloadLabelAndRecord(uint vertexNum, uint *activeLabel, uint *staticLabel, uint *overloadLabel,
bool *isInD, uint *vertexVisitRecordD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
if (isInD[vertexId]) {
staticLabel[vertexId] = 1;
} else {
overloadLabel[vertexId] = 1;
}
atomicAdd(&vertexVisitRecordD[vertexId], 1);
}
});
}
__global__ void
setStaticAndOverloadLabel4Pr(uint vertexNum, uint *activeLabel, uint *staticLabel, uint *overloadLabel, bool *isInD,
uint *fragmentRecordD, uint *nodePointersD, uint fragment_size, uint *degreeD,
bool *isFragmentActiveD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
if (isInD[vertexId]) {
staticLabel[vertexId] = 1;
} else {
overloadLabel[vertexId] = 1;
}
} else {
uint edgeIndex = nodePointersD[vertexId];
uint fragmentIndex = edgeIndex / fragment_size;
uint fragmentMoreIndex = (edgeIndex + degreeD[vertexId]) / fragment_size;
if (isFragmentActiveD[fragmentIndex]) {
if (fragmentMoreIndex > fragmentIndex) {
atomicAdd(&fragmentRecordD[fragmentIndex],
fragmentIndex * fragment_size + fragment_size - edgeIndex);
} else {
atomicAdd(&fragmentRecordD[fragmentIndex], degreeD[vertexId]);
}
}
}
});
}
__global__ void
cleanStaticAndOverloadLabel(uint vertexNum, uint *staticLabel, uint *overloadLabel) {
streamVertices(vertexNum, [&](uint vertexId) {
staticLabel[vertexId] = 0;
overloadLabel[vertexId] = 0;
});
}
__global__ void
setStaticAndOverloadNodePointer(uint vertexNum, uint *staticNodes, uint *overloadNodes, uint *overloadNodeDegrees,
uint *staticLabel, uint *overloadLabel,
uint *staticPrefix, uint *overloadPrefix, uint *degreeD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (overloadLabel[vertexId]) {
overloadNodes[overloadPrefix[vertexId]] = vertexId;
overloadNodeDegrees[overloadPrefix[vertexId]] = degreeD[vertexId];
overloadLabel[vertexId] = 0;
}
if (staticLabel[vertexId]) {
staticNodes[staticPrefix[vertexId]] = vertexId;
staticLabel[vertexId] = 0;
}
});
}
__global__ void
setActiveNodeArray(uint vertexNum, uint *activeNodes, bool *activeLabel,
uint *activeLabelPrefix) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
//printf("activeNodes %d set %d %d \n", activeLabelPrefix[vertexId], vertexId, activeLabel[vertexId]);
activeNodes[activeLabelPrefix[vertexId]] = vertexId;
}
});
}
__global__ void
setActiveNodeArrayAndNodePointer(uint vertexNum, uint *activeNodes, uint *activeNodePointers, bool *activeLabel,
uint *activeLabelPrefix, uint overloadVertex, uint *degreeD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
activeNodes[activeLabelPrefix[vertexId]] = vertexId;
if (vertexId > overloadVertex) {
activeNodePointers[activeLabelPrefix[vertexId]] = degreeD[vertexId];
} else {
activeNodePointers[activeLabelPrefix[vertexId]] = 0;
}
}
});
}
__global__ void
setActiveNodeArrayAndNodePointerBySortOpt(uint vertexNum, uint *activeNodes, uint *activeOverloadDegree,
bool *activeLabel, uint *activeLabelPrefix, bool *isInList, uint *degreeD) {
streamVertices(vertexNum, [&](uint vertexId) {
if (activeLabel[vertexId]) {
activeNodes[activeLabelPrefix[vertexId]] = vertexId;
if (!isInList[vertexId]) {
activeOverloadDegree[activeLabelPrefix[vertexId]] = degreeD[vertexId];
} else {
activeOverloadDegree[activeLabelPrefix[vertexId]] = 0;
}
}
});
}
__global__ void
setLabelDefault(uint activeNum, uint *activeNodes, bool *labelD) {
streamVertices(activeNum, [&](uint vertexId) {
if (labelD[activeNodes[vertexId]]) {
labelD[activeNodes[vertexId]] = 0;
//printf("vertex%d index %d true to %d \n", vertexId, activeNodes[vertexId], labelD[activeNodes[vertexId]]);
}
});
}
__global__ void
mixStaticLabel(uint activeNum, uint *activeNodes, uint *labelD1, uint *labelD2, bool *isInD) {
streamVertices(activeNum, [&](uint index) {
uint vertexId = activeNodes[index];
if (labelD1[vertexId]) {
labelD1[vertexId] = 0;
}
if (isInD[vertexId]) {
labelD1[vertexId] = 1;
}
labelD2[vertexId] = 0;
});
}
__global__ void
mixDynamicPartLabel(uint overloadPartNodeNum, uint startIndex, const uint *overloadNodes, uint *labelD1,
uint *labelD2) {
streamVertices(overloadPartNodeNum, [&](uint index) {
uint vertexId = overloadNodes[startIndex + index];
labelD1[vertexId] = labelD1[vertexId] || labelD2[vertexId];
labelD2[vertexId] = 0;
});
}
__global__ void
mixCommonLabel(uint testNodeNum, uint *labelD1, uint *labelD2) {
streamVertices(testNodeNum, [&](uint vertexId) {
labelD1[vertexId] = labelD1[vertexId] || labelD2[vertexId];
labelD2[vertexId] = 0;
});
}
__global__ void
setDynamicPartLabelTrue(uint overloadPartNodeNum, uint startIndex, const uint *overloadNodes, uint *labelD1,
uint *labelD2) {
streamVertices(overloadPartNodeNum, [&](uint index) {
uint vertexId = overloadNodes[startIndex + index];
labelD1[vertexId] = true;
labelD2[vertexId] = false;
});
}
__global__ void
bfs_kernel(uint activeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, uint *edgeListD, uint *valueD,
bool *labelD) {
streamVertices(activeNum, [&](uint index) {
uint id = activeNodesD[index];
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = edgeIndex; i < edgeIndex + degreeD[id]; i++) {
finalValue = sourceValue + 1;
if (finalValue < valueD[edgeListD[i]]) {
atomicMin(&valueD[edgeListD[i]], finalValue);
labelD[edgeListD[i]] = true;
}
}
});
}
__global__ void
bfsKernel_CommonPartition(uint startVertex, uint endVertex, uint offset, const bool *isActiveNodeListD,
const uint *nodePointersD,
const uint *edgeListD, const uint *degreeD, uint *valueD, bool *nextActiveNodeListD) {
streamVertices(endVertex - startVertex + 1, [&](uint index) {
uint nodeIndex = startVertex + index;
if (isActiveNodeListD[nodeIndex]) {
uint edgeIndex = nodePointersD[nodeIndex] - offset;
uint sourceValue = valueD[nodeIndex];
uint finalValue;
//printf("node %d edgeIndex %d sourceValue %d degreeD[nodeIndex] %d\n", nodeIndex, edgeIndex, sourceValue, degreeD[nodeIndex]);
for (uint i = edgeIndex; i < edgeIndex + degreeD[nodeIndex]; i++) {
//printf("node %d dest node %d set true \n", nodeIndex, edgeListD[i]);
finalValue = sourceValue + 1;
if (finalValue < valueD[edgeListD[i]]) {
atomicMin(&valueD[edgeListD[i]], finalValue);
nextActiveNodeListD[edgeListD[i]] = true;
}
}
}
});
}
__global__ void
prSumKernel_CommonPartition(uint startVertex, uint endVertex, uint offset, const bool *isActiveNodeListD,
const uint *nodePointersD,
const uint *edgeListD, const uint *degreeD, const uint *outDegreeD, const float *valueD,
float *sumD) {
streamVertices(endVertex - startVertex + 1, [&](uint index) {
uint nodeIndex = startVertex + index;
if (isActiveNodeListD[nodeIndex]) {
uint edgeIndex = nodePointersD[nodeIndex] - offset;
float tempSum = 0;
for (uint i = edgeIndex; i < edgeIndex + degreeD[nodeIndex]; i++) {
uint srcNodeIndex = edgeListD[i];
float tempValue = valueD[srcNodeIndex] / outDegreeD[srcNodeIndex];
tempSum += tempValue;
}
sumD[nodeIndex] = tempSum;
}
});
}
__global__ void
prKernel_CommonPartition(uint nodeNum, float *valueD, float *sumD, bool *isActiveNodeList) {
streamVertices(nodeNum, [&](uint index) {
if (isActiveNodeList[index]) {
float tempValue = 0.15 + 0.85 * sumD[index];
float diff = tempValue > valueD[index] ? (tempValue - valueD[index]) : (valueD[index] - tempValue);
/*if (index == 1) {
printf("tempValue %f \n", tempValue);
}*/
if (diff > 0.001) {
isActiveNodeList[index] = true;
valueD[index] = tempValue;
sumD[index] = 0;
} else {
isActiveNodeList[index] = false;
sumD[index] = 0;
}
}
});
}
__global__ void
prSumKernel_UVM(uint vertexNum, const int *isActiveNodeListD, const uint *nodePointersD,
const uint *edgeListD, const uint *degreeD, const float *valueD, float *sumD) {
streamVertices(vertexNum, [&](uint index) {
uint nodeIndex = index;
if (isActiveNodeListD[nodeIndex] > 0) {
uint edgeIndex = nodePointersD[nodeIndex];
float sourceValue = valueD[nodeIndex] / degreeD[nodeIndex];
//printf("node %d edgeIndex %d sourceValue %d degreeD[nodeIndex] %d\n", nodeIndex, edgeIndex, sourceValue, degreeD[nodeIndex]);
for (uint i = edgeIndex; i < edgeIndex + degreeD[nodeIndex]; i++) {
//printf("node %d dest node %d set true \n", nodeIndex, edgeListD[i]);
atomicAdd(&sumD[edgeListD[i]], sourceValue);
}
}
});
}
__global__ void
prSumKernel_UVM_Out(uint vertexNum, int *isActiveNodeListD, const uint *nodePointersD,
const uint *edgeListD, const uint *degreeD, const uint *outDegreeD, float *valueD) {
streamVertices(vertexNum, [&](uint index) {
uint nodeIndex = index;
if (isActiveNodeListD[nodeIndex] > 0) {
uint edgeIndex = nodePointersD[nodeIndex];
float tempSum = 0;
for (uint i = edgeIndex; i < edgeIndex + degreeD[nodeIndex]; i++) {
uint srcNodeIndex = edgeListD[i];
float tempValue = valueD[srcNodeIndex] / outDegreeD[srcNodeIndex];
tempSum += tempValue;
}
float tempValue = 0.15 + 0.85 * tempSum;
float diff =
tempValue > valueD[nodeIndex] ? (tempValue - valueD[nodeIndex]) : (valueD[nodeIndex] - tempValue);
if (diff > 0.0001) {
isActiveNodeListD[nodeIndex] = 1;
valueD[index] = tempValue;
//sumD[index] = 0;
} else {
isActiveNodeListD[nodeIndex] = 0;
valueD[index] = tempValue;
//sumD[index] = 0;
}
if (index >= 0 && index <= 10) {
printf("value %d is %f \n", index, valueD[index]);
}
}
});
}
__global__ void
prKernel_UVM(uint nodeNum, float *valueD, float *sumD, int *isActiveListD) {
streamVertices(nodeNum, [&](uint index) {
float tempValue = 0.15 + 0.85 * sumD[index];
float diff = tempValue > valueD[index] ? (tempValue - valueD[index]) : (valueD[index] - tempValue);
if (diff > 0.001) {
isActiveListD[index] = 1;
valueD[index] = tempValue;
sumD[index] = 0;
} else {
isActiveListD[index] = 1;
valueD[index] = tempValue;
sumD[index] = 0;
}
if (index >= 0 && index <= 10) {
printf("value %d is %f \n", index, valueD[index]);
}
});
}
__global__ void
prKernel_UVM_outDegree(uint nodeNum, float *valueD, float *sumD, int *isActiveListD) {
streamVertices(nodeNum, [&](uint index) {
float tempValue = 0.15 + 0.85 * sumD[index];
float diff = tempValue > valueD[index] ? (tempValue - valueD[index]) : (valueD[index] - tempValue);
if (diff > 0.001) {
isActiveListD[index] = 1;
valueD[index] = tempValue;
sumD[index] = 0;
} else {
isActiveListD[index] = 0;
//valueD[index] = tempValue;
sumD[index] = 0;
}
if (index >= 0 && index <= 10) {
printf("value %d is %f \n", index, valueD[index]);
}
});
}
__global__ void
cc_kernel(uint activeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, uint *edgeListD, uint *valueD,
bool *labelD) {
streamVertices(activeNum, [&](uint index) {
uint id = activeNodesD[index];
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
for (uint i = edgeIndex; i < edgeIndex + degreeD[id]; i++) {
if (sourceValue < valueD[edgeListD[i]]) {
atomicMin(&valueD[edgeListD[i]], sourceValue);
labelD[edgeListD[i]] = true;
}
}
});
}
__global__ void
ccKernel_CommonPartition(uint startVertex, uint endVertex, uint offset, const bool *isActiveNodeListD,
const uint *nodePointersD,
const uint *edgeListD, const uint *degreeD, uint *valueD, bool *nextActiveNodeListD) {
streamVertices(endVertex - startVertex + 1, [&](uint index) {
uint nodeIndex = startVertex + index;
if (isActiveNodeListD[nodeIndex]) {
uint edgeIndex = nodePointersD[nodeIndex] - offset;
uint sourceValue = valueD[nodeIndex];
for (uint i = edgeIndex; i < edgeIndex + degreeD[nodeIndex]; i++) {
if (sourceValue < valueD[edgeListD[i]]) {
atomicMin(&valueD[edgeListD[i]], sourceValue);
nextActiveNodeListD[edgeListD[i]] = true;
}
}
}
});
}
__global__ void
ssspKernel_CommonPartition(uint startVertex, uint endVertex, uint offset, const bool *isActiveNodeListD,
const uint *nodePointersD,
const EdgeWithWeight *edgeListD, const uint *degreeD, uint *valueD,
bool *nextActiveNodeListD) {
streamVertices(endVertex - startVertex + 1, [&](uint index) {
uint nodeIndex = startVertex + index;
if (isActiveNodeListD[nodeIndex]) {
uint edgeIndex = nodePointersD[nodeIndex] - offset;
uint sourceValue = valueD[nodeIndex];
uint finalValue;
for (uint i = edgeIndex; i < edgeIndex + degreeD[nodeIndex]; i++) {
finalValue = sourceValue + edgeListD[i].weight;
uint vertexId = edgeListD[i].toNode;
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
nextActiveNodeListD[vertexId] = true;
}
}
}
});
}
__global__ void
bfs_kernelShareOpt(uint activeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, uint *edgeListD,
uint *edgeListShare, uint *valueD, bool *labelD, uint overloadNode) {
streamVertices(activeNum, [&](uint index) {
uint id = activeNodesD[index];
if (id >= overloadNode) {
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = edgeIndex; i < edgeIndex + degreeD[id]; i++) {
finalValue = sourceValue + 1;
if (finalValue < valueD[edgeListShare[i]]) {
atomicMin(&valueD[edgeListShare[i]], finalValue);
labelD[edgeListShare[i]] = true;
//printf("vertext[%d](edge[%d]) set 1\n", edgeListD[i], i);
}
}
} else {
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = edgeIndex; i < edgeIndex + degreeD[id]; i++) {
finalValue = sourceValue + 1;
if (finalValue < valueD[edgeListD[i]]) {
atomicMin(&valueD[edgeListD[i]], finalValue);
labelD[edgeListD[i]] = true;
//printf("vertext[%d](edge[%d]) set 1\n", edgeListD[i], i);
}
}
}
//printf("index %d vertex %d edgeIndex %d degree %d sourcevalue %d \n", index, id, edgeIndex, degreeD[id], sourceValue);
});
}
__global__ void
bfs_kernelStatic2Label(uint nodeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, uint *edgeListD,
uint *valueD,
uint *isActiveD1, uint *isActiveD2) {
streamVertices(nodeNum, [&](uint index) {
uint id = activeNodesD[index];
if (isActiveD1[id]) {
isActiveD1[id] = 0;
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = 0; i < degreeD[id]; i++) {
finalValue = sourceValue + 1;
uint vertexId;
vertexId = edgeListD[edgeIndex + i];
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
isActiveD2[vertexId] = 1;
}
}
}
});
}
__global__ void
bfs_kernelDynamic2Label(uint overloadStartNode, uint overloadNodeNum, const uint *overloadNodeListD,
const uint *degreeD,
uint *valueD,
uint *isActiveD1, uint *isActiveD2, const uint *edgeListOverloadD,
const uint *activeOverloadNodePointersD) {
streamVertices(overloadNodeNum, [&](uint index) {
uint traverseIndex = overloadStartNode + index;
uint id = overloadNodeListD[traverseIndex];
uint sourceValue = valueD[id];
uint finalValue = sourceValue + 1;
if (isActiveD1[id]) {
isActiveD1[id] = 0;
for (uint i = 0; i < degreeD[id]; i++) {
uint vertexId = edgeListOverloadD[activeOverloadNodePointersD[traverseIndex] -
activeOverloadNodePointersD[overloadStartNode] + i];
if (finalValue < valueD[vertexId]) {
//printf("source node %d dest node %d set true\n", id, vertexId);
atomicMin(&valueD[vertexId], finalValue);
isActiveD2[vertexId] = 1;
}
}
}
});
}
__global__ void
sssp_kernelDynamicSwap2Label(uint overloadStartNode, uint overloadNodeNum, const uint *overloadNodeListD,
const uint *degreeD,
uint *valueD,
uint *isActiveD1, uint *isActiveD2, const EdgeWithWeight *edgeListOverloadD,
const uint *activeOverloadNodePointersD, bool *finished) {
streamVertices(overloadNodeNum, [&](uint index) {
uint traverseIndex = overloadStartNode + index;
uint id = overloadNodeListD[traverseIndex];
if (isActiveD1[id]) {
isActiveD1[id] = 0;
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = 0; i < degreeD[id]; i++) {
EdgeWithWeight checkNode{};
checkNode = edgeListOverloadD[activeOverloadNodePointersD[traverseIndex] -
activeOverloadNodePointersD[overloadStartNode] + i];
finalValue = sourceValue + checkNode.weight;
uint vertexId = checkNode.toNode;
if (finalValue < valueD[vertexId]) {
//printf("source node %d dest node %d set true\n", id, vertexId);
atomicMin(&valueD[vertexId], finalValue);
isActiveD2[vertexId] = 1;
*finished = false;
}
}
}
});
}
__global__ void
sssp_kernelDynamicUvm(uint activeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, EdgeWithWeight *edgeListD,
uint *valueD,
uint *labelD1, uint *labelD2) {
streamVertices(activeNum, [&](uint index) {
uint id = activeNodesD[index];
if (labelD1[id]) {
labelD1[id] = 0;
}
uint edgeIndex = nodePointersD[index];
/*if (isTest) {
printf("index %d source vertex %d, edgeIndex is %d degree %d \n", index, id, edgeIndex, degreeD[id]);
}*/
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = edgeIndex; i < edgeIndex + degreeD[id]; i++) {
finalValue = sourceValue + edgeListD[i].weight;
uint vertexId = edgeListD[i].toNode;
//printf("source vertex %d, edgeindex is %d destnode is %d \n", id, i, edgeListD[i].toNode);
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
labelD2[vertexId] = 1;
}
}
});
}
__global__ void
bfs_kernelStaticSwap(uint nodeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, uint *edgeListD,
uint *valueD,
uint *labelD, uint *fragmentRecordsD, uint fragment_size, uint maxpartionSize, uint testNumNodes) {
streamVertices(nodeNum, [&](uint index) {
uint id = activeNodesD[index];
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
uint finalValue;
uint fragmentIndex = edgeIndex / fragment_size;
uint fragmentMoreIndex = (edgeIndex + degreeD[id]) / fragment_size;
if (fragmentMoreIndex > fragmentIndex) {
atomicAdd(&fragmentRecordsD[fragmentIndex], fragmentIndex * fragment_size + fragment_size - edgeIndex);
} else {
atomicAdd(&fragmentRecordsD[fragmentIndex], degreeD[id]);
}
for (uint i = 0; i < degreeD[id]; i++) {
finalValue = sourceValue + 1;
uint vertexId;
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
labelD[vertexId] = 1;
}
}
});
}
__global__ void
bfs_kernelStaticSwap(uint nodeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, uint *edgeListD,
uint *valueD,
uint *labelD, bool *isInD, uint *fragmentRecordsD, uint fragment_size) {
streamVertices(nodeNum, [&](uint index) {
uint id = activeNodesD[index];
if (isInD[id]) {
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
uint finalValue;
uint fragmentIndex = edgeIndex / fragment_size;
uint fragmentMoreIndex = (edgeIndex + degreeD[id]) / fragment_size;
if (fragmentMoreIndex > fragmentIndex) {
atomicAdd(&fragmentRecordsD[fragmentIndex], fragmentIndex * fragment_size + fragment_size - edgeIndex);
} else {
atomicAdd(&fragmentRecordsD[fragmentIndex], degreeD[id]);
}
for (uint i = 0; i < degreeD[id]; i++) {
finalValue = sourceValue + 1;
uint vertexId;
vertexId = edgeListD[edgeIndex + i];
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
labelD[vertexId] = 1;
}
}
}
});
}
__global__ void
recordFragmentVisit(uint *activeNodeListD, uint activeNodeNum, uint *nodePointersD, uint *degreeD, uint fragment_size,
uint *fragmentRecordsD) {
streamVertices(activeNodeNum, [&](uint index) {
uint id = activeNodeListD[index];
uint edgeIndex = nodePointersD[id];
uint fragmentIndex = edgeIndex / fragment_size;
uint fragmentMoreIndex = (edgeIndex + degreeD[id]) / fragment_size;
if (fragmentMoreIndex > fragmentIndex) {
atomicAdd(&fragmentRecordsD[fragmentIndex], fragmentIndex * fragment_size + fragment_size - edgeIndex);
} else {
atomicAdd(&fragmentRecordsD[fragmentIndex], degreeD[id]);
}
});
}
/*__global__ void
bfs_kernelDynamic(uint activeNum, uint *activeNodesD, uint *degreeD, uint *valueD,
uint *labelD, uint overloadNode, uint *overloadEdgeListD,
uint *nodePointersOverloadD) {
streamVertices(activeNum, [&](uint index) {
uint id = activeNodesD[index];
uint sourceValue = valueD[id];
uint finalValue;
if (id > overloadNode) {
for (uint i = 0; i < degreeD[id]; i++) {
finalValue = sourceValue + 1;
uint vertexId = overloadEdgeListD[nodePointersOverloadD[index] + i];
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
labelD[vertexId] = 1;
}
}
}
});
}*/
__global__ void
bfs_kernelDynamic(uint activeNum, uint *activeNodesD, uint *degreeD, uint *valueD,
uint *labelD, uint overloadNode, uint *overloadEdgeListD,
uint *nodePointersOverloadD) {
streamVertices(overloadNode, [&](uint index) {
uint theIndex = activeNum - overloadNode + index;
uint id = activeNodesD[theIndex];
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = 0; i < degreeD[id]; i++) {
finalValue = sourceValue + 1;
uint vertexId = overloadEdgeListD[nodePointersOverloadD[theIndex] + i];
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
labelD[vertexId] = 1;
}
}
});
}
__global__ void
bfs_kernelDynamicSwap(uint activeNum, uint *activeNodesD, uint *degreeD, uint *valueD,
uint *labelD, uint *overloadEdgeListD,
uint *nodePointersOverloadD) {
streamVertices(activeNum, [&](uint index) {
uint id = activeNodesD[index];
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = 0; i < degreeD[id]; i++) {
finalValue = sourceValue + 1;
uint vertexId = overloadEdgeListD[nodePointersOverloadD[index] + i];
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
labelD[vertexId] = 1;
}
}
});
}
__global__ void
bfs_kernelOpt(uint activeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, uint *edgeListD,
uint *valueD,
bool *labelD, uint overloadNode, uint *overloadEdgeListD, uint *nodePointersOverloadD) {
streamVertices(activeNum, [&](uint index) {
uint id = activeNodesD[index];
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = 0; i < degreeD[id]; i++) {
finalValue = sourceValue + 1;
uint vertexId;
if (id > overloadNode) {
vertexId = overloadEdgeListD[nodePointersOverloadD[index] + i];
} else {
vertexId = edgeListD[edgeIndex + i];
}
if (finalValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], finalValue);
labelD[vertexId] = true;
}
}
});
}
__global__ void
cc_kernelOpt(uint activeNum, uint *activeNodesD, uint *nodePointersD, uint *degreeD, uint *edgeListD, uint *valueD,
bool *labelD, uint overloadNode, uint *overloadEdgeListD, uint *nodePointersOverloadD) {
streamVertices(activeNum, [&](uint index) {
uint id = activeNodesD[index];
uint edgeIndex = nodePointersD[id];
uint sourceValue = valueD[id];
for (uint i = 0; i < degreeD[id]; i++) {
uint vertexId;
if (id > overloadNode) {
vertexId = overloadEdgeListD[nodePointersOverloadD[index] + i];
} else {
vertexId = edgeListD[edgeIndex + i];
}
if (sourceValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], sourceValue);
labelD[vertexId] = true;
}
}
});
}
__global__ void
cc_kernelStaticSwapOpt2Label(uint activeNodesNum, uint *activeNodeListD,
uint *staticNodePointerD, uint *degreeD,
uint *edgeListD, uint *valueD, uint *isActiveD1, uint *isActiveD2, bool *isFinish) {
streamVertices(activeNodesNum, [&](uint index) {
uint id = activeNodeListD[index];
if (isActiveD1[id]) {
isActiveD1[id] = 0;
uint edgeIndex = staticNodePointerD[id];
uint sourceValue = valueD[id];
for (uint i = 0; i < degreeD[id]; i++) {
uint vertexId = edgeListD[edgeIndex + i];
if (sourceValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], sourceValue);
isActiveD2[vertexId] = 1;
*isFinish = false;
}
}
}
});
}
__global__ void
cc_kernelStaticSwapOpt(uint activeNodesNum, uint *activeNodeListD,
uint *staticNodePointerD, uint *degreeD,
uint *edgeListD, uint *valueD, uint *isActiveD) {
streamVertices(activeNodesNum, [&](uint index) {
uint id = activeNodeListD[index];
uint edgeIndex = staticNodePointerD[id];
uint sourceValue = valueD[id];
for (uint i = 0; i < degreeD[id]; i++) {
uint vertexId = edgeListD[edgeIndex + i];
if (sourceValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], sourceValue);
isActiveD[vertexId] = 1;
}
}
});
}
__global__ void
cc_kernelStaticAsync(uint activeNodesNum, const uint *activeNodeListD,
const uint *staticNodePointerD, const uint *degreeD,
const uint *edgeListD, uint *valueD, uint *labelD1, uint *labelD2, const bool *isInStaticD,
bool *finished, int *atomicValue) {
int tid = blockDim.x * blockIdx.x + threadIdx.x;
int tidInBlock = blockDim.y * threadIdx.x + threadIdx.y;
int blockId = blockIdx.x * gridDim.y + blockIdx.y;
int iter = 0;
uint *checkLabel = iter % 2 == 0 ? labelD1 : labelD2;
uint *targetLabel = iter % 2 == 0 ? labelD2 : labelD1;
int syncIndex = 1;
volatile bool *testFinish = (bool *) finished;
*testFinish = false;
gpu_sync(gridDim.x, atomicValue);
//__syncthreads();
if (tidInBlock == 0) {
printf("tid %d blockid %d testFinish %d \n", tid, blockId, *testFinish);
}
if (tid == 0) {
*testFinish = false;
}
gpu_sync(2 * gridDim.x, atomicValue);
if (*testFinish) {
if (tidInBlock == 0) {
printf("1 tid %d blockid %d testFinish %d \n", tid, blockId, *testFinish);
}
return;
}
if (tid == 0) {
*testFinish = true;
}
gpu_sync(2 * gridDim.x, atomicValue);
if (*testFinish) {
if (tidInBlock == 0) {
printf("2 tid %d blockid %d testFinish %d \n", tid, blockId, *testFinish);
}
return;
}
printf("================\n");
}
__global__ void
cc_kernelDynamicAsync(uint overloadStartNode, uint overloadNodeNum, const uint *overloadNodeListD, const uint *degreeD,
uint *valueD, uint *labelD1, uint *labelD2, const uint *edgeListOverloadD,
const uint *activeOverloadNodePointersD, bool *finished) {
streamVertices(overloadNodeNum, [&](uint index) {
uint traverseIndex = overloadStartNode + index;
uint id = overloadNodeListD[traverseIndex];
if (labelD1[id]) {
labelD1[id] = 0;
uint sourceValue = valueD[id];
for (uint i = 0; i < degreeD[id]; i++) {
uint vertexId = edgeListOverloadD[activeOverloadNodePointersD[traverseIndex] -
activeOverloadNodePointersD[overloadStartNode] + i];
if (sourceValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], sourceValue);
*finished = false;
labelD2[vertexId] = 1;
}
}
}
});
}
__global__ void
cc_kernelDynamicSwap2Label(uint overloadStartNode, uint overloadNodeNum, const uint *overloadNodeListD,
const uint *degreeD,
uint *valueD,
uint *isActiveD1, uint *isActiveD2, const uint *edgeListOverloadD,
const uint *activeOverloadNodePointersD, bool *finished) {
streamVertices(overloadNodeNum, [&](uint index) {
uint traverseIndex = overloadStartNode + index;
uint id = overloadNodeListD[traverseIndex];
if (isActiveD1[id]) {
isActiveD1[id] = 0;
uint sourceValue = valueD[id];
for (uint i = 0; i < degreeD[id]; i++) {
uint vertexId = edgeListOverloadD[activeOverloadNodePointersD[traverseIndex] -
activeOverloadNodePointersD[overloadStartNode] + i];
if (sourceValue < valueD[vertexId]) {
atomicMin(&valueD[vertexId], sourceValue);
isActiveD2[vertexId] = 1;
*finished = false;
}
}
}
});
}
__global__ void
sssp_kernelStaticSwapOpt2Label(uint activeNodesNum, const uint *activeNodeListD,
const uint *staticNodePointerD, const uint *degreeD,
EdgeWithWeight *edgeListD, uint *valueD, uint *isActiveD1, uint *isActiveD2,
bool *isFinish) {
streamVertices(activeNodesNum, [&](uint index) {
uint id = activeNodeListD[index];
if (isActiveD1[id]) {
isActiveD1[id] = 0;
uint edgeIndex = staticNodePointerD[id];
uint sourceValue = valueD[id];
uint finalValue;
for (uint i = 0; i < degreeD[id]; i++) {
EdgeWithWeight checkNode{};
checkNode = edgeListD[edgeIndex + i];
finalValue = sourceValue + checkNode.weight;
uint vertexId = checkNode.toNode;
if (finalValue < valueD[vertexId]) {