From 2f22e64953cd5e4a383bf8b91f09d511f6aec526 Mon Sep 17 00:00:00 2001
From: hiwis <hiwis@irmb.tu-bs.de>
Date: Wed, 17 Apr 2019 10:09:10 +0200
Subject: [PATCH] correctedStreet double street, refactored TrafficTimestep
---
src/Traffic/GPU/TrafficTimestep.cu | 57 +--
src/Traffic/GPU/TrafficTimestep.h | 23 +-
src/Traffic/TrafficMovement.cpp | 4 +-
.../Basel/resources/allStreets/Streets.txt | 8 +-
.../allStreetsQuadruple/Junctions.txt | 122 +++++
.../resources/allStreetsQuadruple/Sinks.txt | 77 +++
.../resources/allStreetsQuadruple/Sources.txt | 77 +++
.../resources/allStreetsQuadruple/Streets.txt | 481 ++++++++++++++++++
targets/apps/LBM/TrafficTest/Traffic_Main.cpp | 61 +--
9 files changed, 835 insertions(+), 75 deletions(-)
create mode 100644 targets/apps/LBM/Basel/resources/allStreetsQuadruple/Junctions.txt
create mode 100644 targets/apps/LBM/Basel/resources/allStreetsQuadruple/Sinks.txt
create mode 100644 targets/apps/LBM/Basel/resources/allStreetsQuadruple/Sources.txt
create mode 100644 targets/apps/LBM/Basel/resources/allStreetsQuadruple/Streets.txt
diff --git a/src/Traffic/GPU/TrafficTimestep.cu b/src/Traffic/GPU/TrafficTimestep.cu
index 8eab929ca..8f8f3ca44 100644
--- a/src/Traffic/GPU/TrafficTimestep.cu
+++ b/src/Traffic/GPU/TrafficTimestep.cu
@@ -73,8 +73,6 @@ TrafficTimestep::TrafficTimestep(std::shared_ptr<RoadNetworkData> road, real * p
this->roadNext.resize(size_roads);
thrust::fill(roadNext.begin(), roadNext.end(), -1);
- switchCurrentNext();
-
//prepare junctions
combineJuncInCellIndices(road->junctions);
combineJuncOutCellIndices(road->junctions);
@@ -122,13 +120,16 @@ TrafficTimestep::TrafficTimestep(std::shared_ptr<RoadNetworkData> road, real * p
}
-void TrafficTimestep::run(std::shared_ptr<RoadNetworkData> road)
+void TrafficTimestep::calculateTimestep(std::shared_ptr<RoadNetworkData> road)
{
switchCurrentNext();
//reset Junction open outcells
resetOutCellIsOpen();
+ //resetNext
+ resetNext();
+
callTrafficTimestepKernel();
getLastCudaError("trafficTimestepKernel execution failed");
@@ -144,8 +145,16 @@ void TrafficTimestep::run(std::shared_ptr<RoadNetworkData> road)
void TrafficTimestep::switchCurrentNext()
{
- if (timestepIsEven) timestepIsEven = false;
- else timestepIsEven = true;
+ if (timestepIsEven) {
+ timestepIsEven = false;
+ pRoadCurrent = roadCurrent.data().get();
+ pRoadNext = roadNext.data().get();
+ }
+ else {
+ timestepIsEven = true;
+ pRoadCurrent = roadNext.data().get();
+ pRoadNext = roadCurrent.data().get();
+ }
}
@@ -168,18 +177,6 @@ void TrafficTimestep::cleanUp()
void TrafficTimestep::callTrafficTimestepKernel()
{
- int* pRoadCurrent = roadCurrent.data().get();
- int* pRoadNext = roadNext.data().get();
- if (!timestepIsEven) {
- pRoadCurrent = roadNext.data().get();
- pRoadNext = roadCurrent.data().get();
- }
-
- resetNext << < gridRoad, threadsRoads >> > (
- pRoadNext,
- size_roads
- );
-
trafficTimestepKernel << < gridRoad, threadsRoads >> > (
pRoadCurrent,
pRoadNext,
@@ -205,13 +202,6 @@ void TrafficTimestep::callTrafficTimestepKernel()
void TrafficTimestep::callSourceTimestepKernel()
{
- int*pRoadCurrent = roadCurrent.data().get();
- int*pRoadNext = roadNext.data().get();
- if (!timestepIsEven) {
- pRoadCurrent = roadNext.data().get();
- pRoadNext = roadCurrent.data().get();
- }
-
sourceTimestepKernel << < gridSources, threadsSources >> > (
pRoadCurrent,
pRoadNext,
@@ -229,13 +219,6 @@ void TrafficTimestep::callSourceTimestepKernel()
void TrafficTimestep::callJunctionTimestepKernel()
{
- int*pRoadCurrent = roadCurrent.data().get();
- int*pRoadNext = roadNext.data().get();
- if (!timestepIsEven) {
- pRoadCurrent = roadNext.data().get();
- pRoadNext = roadCurrent.data().get();
- }
-
junctionTimestepKernel << < gridJunctions, threadsJunctions >> > (
juncCarsOnJunction.data().get(),
juncInCellIndices.data().get(),
@@ -319,7 +302,7 @@ __global__ void trafficTimestepKernel(int* roadCurrent, int* roadNext, int* neig
uint gap = speed;
uint idx = 0;
int neighbor = neighbors[index];
- uint currentCell = index;
+ uint currentCell = index;
for (uint i = 0; i < (speed + safetyDistance); i++) {
@@ -510,7 +493,7 @@ __global__ void junctionTimestepKernel(int* juncCarsOnJunction, uint* juncInCell
//// calc numberOfPossibleOutCells ////////////////////////////////////////////////////////////////
uint numberOfPossibleOutCells = 0;
- for (uint outCellIndex = firstOutCellIndex; outCellIndex < firstOutCellIndex + outCellSize; outCellIndex++)
+ for (uint outCellIndex = firstOutCellIndex; outCellIndex < firstOutCellIndex + outCellSize; outCellIndex++)
if (juncCarCanNotEnterThisOutCell[inCellVectorIndex] != juncOutCellIndices[outCellIndex] && juncOutCellIsOpen[outCellIndex] == true)
numberOfPossibleOutCells++;
@@ -820,6 +803,14 @@ void TrafficTimestep::resetOutCellIsOpen()
thrust::fill(juncOutCellIsOpen.begin(), juncOutCellIsOpen.end(), true);
}
+void TrafficTimestep::resetNext()
+{
+ if (timestepIsEven)
+ thrust::fill(roadCurrent.begin(), roadCurrent.end(), -1);
+ else
+ thrust::fill(roadNext.begin(), roadNext.end(), -1);
+}
+
void TrafficTimestep::calculateTrafficTimestepKernelDimensions()
{
diff --git a/src/Traffic/GPU/TrafficTimestep.h b/src/Traffic/GPU/TrafficTimestep.h
index be05d404d..b547690ed 100644
--- a/src/Traffic/GPU/TrafficTimestep.h
+++ b/src/Traffic/GPU/TrafficTimestep.h
@@ -19,10 +19,11 @@ class Source;
class VF_PUBLIC TrafficTimestep
{
private:
+
bool timestepIsEven = true;
uint numTimestep = 0;
- uint size_roads;
+
uint maxVelocity;
uint safetyDistance;
real dawdlePossibility;
@@ -32,6 +33,7 @@ private:
//sizes
+ uint size_roads;
uint size_junctions;
uint size_juncInCells;
uint size_juncOutCells;
@@ -69,6 +71,7 @@ private:
thrust::device_vector<uint> juncStartInIncells;
thrust::device_vector<uint> juncStartInOutcells;
+
//sinks
thrust::device_vector<real> sinkCarBlockedPossibilities;;
@@ -81,47 +84,55 @@ private:
//concentrations
real * pConcArray;
+
//curandStates
curandState *statesJunctions;
curandState *statesSources;
curandState *statesRoad;
+ int* pRoadCurrent;
+ int* pRoadNext;
public:
TrafficTimestep(std::shared_ptr<RoadNetworkData> road, real * pConcArray);
- void run(std::shared_ptr<RoadNetworkData> road);
+ void calculateTimestep(std::shared_ptr<RoadNetworkData> road);
void cleanUp();
uint getNumCarsOnJunctions(); //only used for debugging
void copyCurrentDeviceToHost(std::shared_ptr<RoadNetworkData> road);
private:
- ;
+
//timestep
void switchCurrentNext();
void resetOutCellIsOpen();
+ void resetNext();
+ //kernel calls
void callTrafficTimestepKernel();
void callSourceTimestepKernel();
void callJunctionTimestepKernel();
- //init
+ //init grids
void calculateTrafficTimestepKernelDimensions();
void calculateJunctionKernelDimensions();
void calculateSourceKernelDimensions();
+ //init junctions
void combineJuncInCellIndices(std::vector<std::shared_ptr<Junction> > &junctions);
void combineJuncOutCellIndices(std::vector<std::shared_ptr<Junction> > &junctions);
void combineJuncCarCanNotEnterThisOutCell(std::vector<std::shared_ptr<Junction> > &junctions);
+ void combineUseTrafficLights(std::vector<std::shared_ptr<Junction>>& junctions);
void initjuncOutCellIsOpen();
void initJuncCarCanEnter();
void initJuncCarsOnJunction();
void initJuncAlreadyMoved();
void initJuncOldSpeeds();
- void combineUseTrafficLights(std::vector<std::shared_ptr<Junction>>& junctions);
-
+
+ //init sinks
void combineSinkBlockedPossibilities(std::vector<std::shared_ptr<Sink>>& sinks);
+ //init sources
void combineSourcePossibilities(std::vector<std::shared_ptr<Source> > &sources);
void combineSourceIndices(std::vector<std::shared_ptr<Source> > &sources);
};
diff --git a/src/Traffic/TrafficMovement.cpp b/src/Traffic/TrafficMovement.cpp
index f0d544351..1dd4c6f6c 100644
--- a/src/Traffic/TrafficMovement.cpp
+++ b/src/Traffic/TrafficMovement.cpp
@@ -77,8 +77,6 @@ void TrafficMovement::setUseGPU(real * pConcArray)
{
std::cout << "usingGPU for calculation" << std::endl;
this->useGPU = true;
- this->road->oldSpeeds.resize(this->road->roadLength);
- VectorHelper::fillVector(this->road->oldSpeeds, -1);
this->gpuCalculation = std::make_unique<TrafficTimestep>(TrafficTimestep(this->road, pConcArray));
}
@@ -172,7 +170,7 @@ void TrafficMovement::calculateTimestep(uint step)
//GPU
copiedDevToHost = false;
- this->gpuCalculation->run(road);
+ this->gpuCalculation->calculateTimestep(road);
}
diff --git a/targets/apps/LBM/Basel/resources/allStreets/Streets.txt b/targets/apps/LBM/Basel/resources/allStreets/Streets.txt
index d982a2b6e..f82c1e9ae 100644
--- a/targets/apps/LBM/Basel/resources/allStreets/Streets.txt
+++ b/targets/apps/LBM/Basel/resources/allStreets/Streets.txt
@@ -101,9 +101,9 @@
256 -194 244 -192 1
227 -256 243 -196 1
238 -195 222 -256 1
- 244 -192 251 -93 1
+ 244 -192 250 -93 1
244 -92 239 -191 1
- 251 -88 223 0 1
+ 250 -88 223 0 1
218 0 244 -87 1
244 -87 177 -79 1
177 -79 73 -68 1
@@ -117,8 +117,8 @@
68 -67 -105 -48 1
-241 -188 -256 -177 1
-256 -184 -246 -191 1
- 251 -93 256 -94 1
- 256 -89 251 -88 1
+ 250 -93 256 -94 1
+ 256 -89 250 -88 1
diff --git a/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Junctions.txt b/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Junctions.txt
new file mode 100644
index 000000000..4193493b7
--- /dev/null
+++ b/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Junctions.txt
@@ -0,0 +1,122 @@
+120
+in 40 14 4 out 56 5 15 t 43
+in 41 56 37 out 42 40 39
+in 49 35 39 45 out 48 34 37 57
+in 47 57 44 out 46 45 43
+in 33 15 3 out 31 4 16 t 45
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+in 34 28 29 38 out 35 32 30 36
+in 30 27 out 28 26 c
+in 16 12 18 2 out 3 21 6 13 t 54
+in 26 112 13 1 out 27 113 2 19 t 31
+in 104 19 0 out 105 1 20 t 35
+in 115 21 11 out 114 12 22 t 42
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+in 108 106 111 out 110 107 109
+in 105 102 109 119 out 104 103 106 118
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+in 103 100 96 99 out 102 101 97 98
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+in 83 78 81 out 82 79 80
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+in 55 53 50 out 54 51 52
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+in 203 198 201 out 202 199 200
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+in 477 430 out 476 431 c
+end
\ No newline at end of file
diff --git a/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Sinks.txt b/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Sinks.txt
new file mode 100644
index 000000000..12245da9e
--- /dev/null
+++ b/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Sinks.txt
@@ -0,0 +1,77 @@
+76
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\ No newline at end of file
diff --git a/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Sources.txt b/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Sources.txt
new file mode 100644
index 000000000..0bf91e6c7
--- /dev/null
+++ b/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Sources.txt
@@ -0,0 +1,77 @@
+76
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diff --git a/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Streets.txt b/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Streets.txt
new file mode 100644
index 000000000..8ed4aeff8
--- /dev/null
+++ b/targets/apps/LBM/Basel/resources/allStreetsQuadruple/Streets.txt
@@ -0,0 +1,481 @@
+480
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\ No newline at end of file
diff --git a/targets/apps/LBM/TrafficTest/Traffic_Main.cpp b/targets/apps/LBM/TrafficTest/Traffic_Main.cpp
index 6ef651e94..487b51e75 100644
--- a/targets/apps/LBM/TrafficTest/Traffic_Main.cpp
+++ b/targets/apps/LBM/TrafficTest/Traffic_Main.cpp
@@ -11,49 +11,52 @@
int main()
{
-
+
//////Basel
- {
- uint numberOfTimesteps = 100000;
- bool useGPU = true;
+ for (uint i = 0; i < 2; i++) {
- //Stephans Logger
- logging::Logger::addStream(&std::cout);
- logging::Logger::setDebugLevel(logging::Logger::Level::INFO_LOW);
- logging::Logger::timeStamp(logging::Logger::ENABLE);
- logging::Logger::enablePrintedRankNumbers(logging::Logger::ENABLE);
+ {
+ uint numberOfTimesteps = 1000*1000;
+ bool useGPU = false;
- //init TrafficMovement
- TrafficMovementFactory * factory = new TrafficMovementFactory();
- std::string path = "C:/Users/hiwi/BaselDokumente/";
- factory->initTrafficMovement(path, useGPU);
+ //Stephans Logger
+ logging::Logger::addStream(&std::cout);
+ logging::Logger::setDebugLevel(logging::Logger::Level::INFO_LOW);
+ logging::Logger::timeStamp(logging::Logger::ENABLE);
+ logging::Logger::enablePrintedRankNumbers(logging::Logger::ENABLE);
- //clock
- std::clock_t start;
- double duration;
- start = std::clock();
+ //init TrafficMovement
+ TrafficMovementFactory * factory = new TrafficMovementFactory();
+ std::string path = "C:/Users/hiwi/BaselDokumente/";
+ factory->initTrafficMovement(path, useGPU);
- //loop through timestep
- for (uint step = 1; step <= numberOfTimesteps; step++) {
- factory->calculateTimestep(step);
- //factory->writeReducedTimestep(step);
- }
+ //clock
+ std::clock_t start;
+ double duration;
+ start = std::clock();
- //end simulation
- duration = (std::clock() - start) / (double)CLOCKS_PER_SEC;
+ //loop through timestep
+ for (uint step = 1; step <= numberOfTimesteps; step++) {
+ factory->calculateTimestep(step);
+ factory->writeReducedTimestep(step);
+ }
- factory->endSimulation(numberOfTimesteps, duration);
-
- std::cout << "Dauer: " << duration << '\n';
- factory->writeTimestep(numberOfTimesteps);
- }
+ //end simulation
+ duration = (std::clock() - start) / (double)CLOCKS_PER_SEC;
+
+ factory->endSimulation(numberOfTimesteps, duration);
+ std::cout << "Dauer: " << duration << '\n';
+
+ factory->writeTimestep(numberOfTimesteps);
+ }
+ }
--
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