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changeset 414:49159fbdd1fb

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Work CUDAbitonicSort
author Tatsuki IHA <innparusu@cr.ie.u-ryukyu.ac.jp>
date Fri, 15 Sep 2017 22:49:45 +0900
parents 497b154141de
children eec6553a2aa6 764c92c3b181
files src/parallel_execution/CMakeLists.txt src/parallel_execution/CUDAWorker.cbc src/parallel_execution/cuda.c src/parallel_execution/examples/bitonicSort/CUDAbitonicSwap.cu src/parallel_execution/examples/bitonicSort/bitonicSwap.cbc src/parallel_execution/examples/twice/CUDAtwice.cu src/parallel_execution/examples/twice/twice.cbc
diffstat 7 files changed, 68 insertions(+), 16 deletions(-) [+]
line wrap: on
line diff
--- a/src/parallel_execution/CMakeLists.txt	Thu Sep 14 22:28:52 2017 +0900
+++ b/src/parallel_execution/CMakeLists.txt	Fri Sep 15 22:49:45 2017 +0900
@@ -86,6 +86,14 @@
         examples/twice/main.cbc examples/twice/twice.cbc examples/twice/CUDAtwice.cu examples/twice/createArray.cbc CPUWorker.cbc TimeImpl.cbc examples/twice/twice.cbc TaskManagerImpl.cbc SingleLinkedQueue.cbc SynchronizedQueue.cbc CUDAWorker.cbc cuda.c MultiDimIterator.cbc
     )
     set_target_properties(CUDAtwice PROPERTIES COMPILE_FLAGS "-Wall -g -DUSE_CUDAWorker=1")
+
+    GearsCommand(
+      TARGET
+        CUDAbitonicSort
+      SOURCES 
+        examples/bitonicSort/bitonicSort.cbc examples/bitonicSort/bitonicSwap.cbc examples/bitonicSort/CUDAbitonicSwap.cu examples/bitonicSort/makeArray.cbc examples/bitonicSort/printArray.cbc CPUWorker.cbc CUDAWorker.cbc TaskManagerImpl.cbc SingleLinkedQueue.cbc SynchronizedQueue.cbc cuda.c MultiDimIterator.cbc TimeImpl.cbc
+    )
+    set_target_properties(CUDAbitonicSort PROPERTIES COMPILE_FLAGS "-Wall -g -DUSE_CUDAWorker=1")
 endif()
 
 GearsCommand(
--- a/src/parallel_execution/CUDAWorker.cbc	Thu Sep 14 22:28:52 2017 +0900
+++ b/src/parallel_execution/CUDAWorker.cbc	Fri Sep 15 22:49:45 2017 +0900
@@ -76,7 +76,7 @@
 }
 
 __code iterateCommitCUDA1(struct Context* task) {
-    goto meta(context, C_taskReceiveWorker);
+    goto meta(context, C_taskReceiveCUDAWorker);
 }
 
 __code iterateCommitCUDA1_stub(struct Context* context) {
@@ -91,7 +91,7 @@
     }
     loopCounter->i = 0;
     taskManager->taskManager = (union Data*)task->taskManager;
-    taskManager->next = C_taskReceiveWorker;
+    taskManager->next = C_taskReceiveCUDAWorker;
     goto meta(context, task->taskManager->decrementTaskCount);
 }
 
--- a/src/parallel_execution/cuda.c	Thu Sep 14 22:28:52 2017 +0900
+++ b/src/parallel_execution/cuda.c	Fri Sep 15 22:49:45 2017 +0900
@@ -85,29 +85,35 @@
 }
 
 
-void CUDAExec(struct Context* context, struct Array* array) {
-    printf("cuda exec start\n");
+void CUDAExec(struct Context* context, struct SortArray* inputSortArray, struct SortArray* outputSortArray) {
+    //printf("cuda exec start\n");
     // Worker *worker = context->worker;
     // CUDAWorker* cudaWorker = (CUDAWorker*)worker->worker;
     // memory allocate
     CUdeviceptr devA;
     CUdeviceptr devB;
+    CUdeviceptr devC;
+    CUdeviceptr devD;
 
-    checkCudaErrors(cuMemAlloc(&devA, sizeof(int)*array->size));
+    checkCudaErrors(cuMemAlloc(&devA, sizeof(struct Integer)*GET_SIZE(inputSortArray->array)));
     checkCudaErrors(cuMemAlloc(&devB, sizeof(int)));
+    checkCudaErrors(cuMemAlloc(&devC, sizeof(int)));
+    checkCudaErrors(cuMemAlloc(&devD, sizeof(int)));
 
     //twiceカーネルが定義されてなければそれをロードする
-    checkCudaErrors(cuModuleLoad(&context->module, "c/examples/twice/CUDAtwice.ptx"));
-    checkCudaErrors(cuModuleGetFunction(&context->function, context->module, "twice"));
+    checkCudaErrors(cuModuleLoad(&context->module, "c/examples/bitonicSort/CUDAbitonicSwap.ptx"));
+    checkCudaErrors(cuModuleGetFunction(&context->function, context->module, "bitonicSwap"));
 
     //入力のDataGearをGPUにbuffer経由で送る
     // Synchronous data transfer(host to device)
-    checkCudaErrors(cuMemcpyHtoD(devA, array->array, sizeof(int)*array->size));
-    checkCudaErrors(cuMemcpyHtoD(devB, &array->prefix, sizeof(int)));
+    checkCudaErrors(cuMemcpyHtoD(devA, inputSortArray->array, sizeof(struct Integer)*GET_SIZE(inputSortArray->array)));
+    checkCudaErrors(cuMemcpyHtoD(devB, &inputSortArray->block, sizeof(int)));
+    checkCudaErrors(cuMemcpyHtoD(devC, &inputSortArray->first, sizeof(int)));
+    checkCudaErrors(cuMemcpyHtoD(devD, &inputSortArray->prefix, sizeof(int)));
 
     // Asynchronous launch kernel
     context->num_exec = 1;
-    void* args[] = {&devA, &devB};
+    void* args[] = {&devA, &devB, &devC, &devD};
     if (context->iterate) {
         struct MultiDimIterator* iterator = &context->iterator->iterator->MultiDimIterator;
         checkCudaErrors(cuLaunchKernel(context->function,
@@ -123,12 +129,14 @@
     }
     //結果を取ってくるコマンドを入力する
     //コマンドの終了待ちを行う   
-    checkCudaErrors(cuMemcpyDtoH(array->array, devA, sizeof(int)*array->size));
-
+    checkCudaErrors(cuMemcpyDtoH(inputSortArray->array, devA, sizeof(struct Integer)*GET_SIZE(inputSortArray->array)));
+    outputSortArray->array = inputSortArray->array;
     // wait for stream
     checkCudaErrors(cuCtxSynchronize());
     cuMemFree(devA);
     cuMemFree(devB);
+    cuMemFree(devC);
+    cuMemFree(devD);
 }
 
 void cudaShutdown( struct CUDAWorker *worker) {
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/parallel_execution/examples/bitonicSort/CUDAbitonicSwap.cu	Fri Sep 15 22:49:45 2017 +0900
@@ -0,0 +1,25 @@
+extern "C" {
+    struct Integer {
+        int value;
+    };
+    __global__ void bitonicSwap(struct Integer* array, int* blockPtr, int* firstPtr, int* prefixPtr) {
+        int block = *blockPtr;
+        int first = *firstPtr;
+        int prefix = *prefixPtr;
+        int i = 0;
+C_bitonicSwap:
+        if (i < prefix) {
+            int index = i + blockIdx.x * prefix;
+            int position = index/block;
+            int index1 = index+block*position;
+            int index2 = (first == 1)? ((block<<1)*(position+1))-(index1%block)-1 : index1+block;
+            if (array[index2].value < array[index1].value) {
+                struct Integer tmp = array[index1];
+                array[index1] = array[index2];
+                array[index2] = tmp;
+            }
+            i++;
+            goto C_bitonicSwap;
+        }
+    }
+}
--- a/src/parallel_execution/examples/bitonicSort/bitonicSwap.cbc	Thu Sep 14 22:28:52 2017 +0900
+++ b/src/parallel_execution/examples/bitonicSort/bitonicSwap.cbc	Fri Sep 15 22:49:45 2017 +0900
@@ -1,6 +1,10 @@
 #include "../../../context.h"
 #include <stdio.h>
 
+#ifdef USE_CUDAWorker
+extern void CUDAExec(struct Context* context, struct SortArray* inputSortArray, struct SortArray* outputSortArray);
+#endif
+
 __code bitonicSwap(struct SortArray* inputArray, struct MultiDim* multiDim, __code next(struct SortArray* output, ...), struct LoopCounter* loopCounter) {
     struct SortArray* output = *O_output;
     int block = inputArray->block;
@@ -26,6 +30,15 @@
 }
 
 __code bitonicSwap_stub(struct Context* context) {
+#ifdef USE_CUDAWorker
+    struct SortArray* inputSortArray  = &context->data[context->idg]->SortArray;
+    struct SortArray* outputSortArray = &context->data[context->odg]->SortArray;
+    if (context->gpu) {
+        CUDAExec(context, inputSortArray, outputSortArray);
+        //continuationにそってGPUworkerに戻る
+        goto meta(context, context->next);
+    }
+#endif
     SortArray** O_output = (struct SortArray **)&context->data[context->odg];
     goto bitonicSwap(context,
                      &context->data[context->idg]->SortArray,
--- a/src/parallel_execution/examples/twice/CUDAtwice.cu	Thu Sep 14 22:28:52 2017 +0900
+++ b/src/parallel_execution/examples/twice/CUDAtwice.cu	Fri Sep 15 22:49:45 2017 +0900
@@ -1,6 +1,4 @@
 extern "C" {
-
-#include <stdio.h>
     __global__ void twice(int* array, int* prefixPtr) {
         int i = 0;
         int prefix = *prefixPtr;
--- a/src/parallel_execution/examples/twice/twice.cbc	Thu Sep 14 22:28:52 2017 +0900
+++ b/src/parallel_execution/examples/twice/twice.cbc	Fri Sep 15 22:49:45 2017 +0900
@@ -25,9 +25,9 @@
     struct Array* array = &context->data[context->idg]->Array;
     if (context->gpu) {
         CUDAExec(context, array);
+        //continuationにそってGPUworkerに戻る
+        goto meta(context, context->next);
     }
-    //continuationにそってGPUworkerに戻る
-    goto meta(context, context->next);
 #endif
     goto twice(context,
                &context->data[context->idg]->Array,