新增多卡支持

BaseCommonLibrary/BaseTool/BaseConstVariable.h

@@ -339,6 +339,12 @@ inline long nextpow2(long n) {
 	return pow(2,en);
 }
 
+inline void releaseVoidArray(void* a)
+{
+	free(a);
+	a = NULL;
+}
+
 
 
 #endif

BaseCommonLibrary/BaseTool/EchoDataFormat.cpp

@@ -511,6 +511,19 @@ ErrorCode EchoL0Dataset::loadFromXml() {
     return ErrorCode::SUCCESS;
 }
 
+std::shared_ptr<SatelliteAntPos> EchoL0Dataset::getAntPosVelc()
+{
+    omp_lock_t lock;
+    omp_init_lock(&lock);
+    omp_set_lock(&lock);
+    long prfcount = this->PluseCount;
+    std::shared_ptr<SatelliteAntPos>  antposlist= SatelliteAntPosOperator::readAntPosFile(this->GPSPointFilePath, prfcount);
+
+    omp_unset_lock(&lock);	 //  
+    omp_destroy_lock(&lock); //  
+    return antposlist;
+}
+
 std::shared_ptr<double> EchoL0Dataset::getAntPos()
 {
     omp_lock_t lock; 

BaseCommonLibrary/BaseTool/EchoDataFormat.h

@@ -209,6 +209,7 @@ public: 	//
 
 public:
 	// 读取文件
+	std::shared_ptr< SatelliteAntPos> getAntPosVelc();
 	std::shared_ptr<double> getAntPos();
 	std::shared_ptr<std::complex<double>> getEchoArr(long startPRF, long& PRFLen);
 	std::shared_ptr<std::complex<double>> getEchoArr();

GPUBaseLib/GPUBaseLib.vcxproj

@@ -32,6 +32,7 @@
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="GPUTool\GPUBaseLibAPI.h" />
+    <ClInclude Include="GPUTool\GPUBaseTool.h" />
     <ClInclude Include="GPUTool\GPUDouble32.cuh" />
     <CudaCompile Include="GPUTool\GPUTool.cuh" />
   </ItemGroup>
@@ -40,6 +41,9 @@
       <Project>{872ecd6f-30e3-4a1b-b17c-15e87d373ff6}</Project>
     </ProjectReference>
   </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="GPUTool\GPUBaseTool.cpp" />
+  </ItemGroup>
   <PropertyGroup Label="Globals">
     <VCProjectVersion>17.0</VCProjectVersion>
     <Keyword>Win32Proj</Keyword>
@@ -180,7 +184,7 @@
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <IntrinsicFunctions>true</IntrinsicFunctions>
       <SDLCheck>true</SDLCheck>
-      <PreprocessorDefinitions>NDEBUG;_CONSOLE;GPUBASELIB_API;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;GPUBASELIB_API;_CRT_SECURE_NO_WARNINGS;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
       <LanguageStandard>stdcpp14</LanguageStandard>
       <LanguageStandard_C>stdc11</LanguageStandard_C>

GPUBaseLib/GPUBaseLib.vcxproj.filters

@@ -35,5 +35,13 @@
     <ClInclude Include="GPUTool\GPUDouble32.cuh">
       <Filter>GPUTool</Filter>
     </ClInclude>
+    <ClInclude Include="GPUTool\GPUBaseTool.h">
+      <Filter>GPUTool</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="GPUTool\GPUBaseTool.cpp">
+      <Filter>GPUTool</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>

GPUBaseLib/GPUTool/GPUBaseTool.cpp

@@ -0,0 +1,56 @@
+#include "GPUBaseTool.h"
+
+
+// »ñÈ¡Îļþ´óС
+extern "C"  size_t getfsize(FILE* fp)
+{
+	fseek(fp, 0L, SEEK_END);
+	size_t size = ftell(fp);
+	fseek(fp, 0L, SEEK_SET);
+	return size;
+}
+
+extern "C"  unsigned char* loadBinFromPath(char* binPath, size_t* binpath_len)
+{
+	FILE* fd = fopen(binPath, "rb");
+	if (NULL == fd)
+	{
+		perror("Failed to open file");
+		return NULL;
+	}
+
+	size_t f_len = getfsize(fd);
+	*binpath_len = f_len;
+
+	unsigned char* buffer = (unsigned char*)malloc(f_len * sizeof(unsigned char));
+	if (buffer == NULL)
+	{
+		perror("Failed to allocate memory");
+		fclose(fd);
+		return NULL;
+	}
+
+	size_t fread_count = fread(buffer, 1, f_len, fd);
+	fclose(fd);
+
+	if (fread_count != f_len)
+	{
+		releaseVoidArray(buffer);
+		return NULL;
+	}
+
+	return buffer;
+}
+
+extern "C"  void writeComplexDataBinFile(char* dataPath, size_t datalen, cuComplex* data)
+{
+	FILE* pd = fopen(dataPath, "w");
+	double* tempdata = (double*)malloc(datalen * 2 * sizeof(double));
+	for (long i = 0; i < datalen; i++)
+	{
+		tempdata[i * 2 + 0] = data[i].x;
+		tempdata[i * 2 + 1] = data[i].y;
+	}
+	fwrite(tempdata, sizeof(double), datalen * 2, pd);
+	fclose(pd);
+}

GPUBaseLib/GPUTool/GPUBaseTool.h

@@ -0,0 +1,25 @@
+#ifndef __GPUBASETOOL_H__
+#define __GPUBASETOOL_H__
+
+#include "GPUBaseLibAPI.h"
+#include "BaseConstVariable.h"
+#include <iostream>
+#include <memory>
+#include <complex>
+#include "GPUTool.cuh"
+
+extern "C" GPUBASELIBAPI size_t getfsize(FILE* fp);
+extern "C" GPUBASELIBAPI unsigned char* loadBinFromPath(char* binPath, size_t* binpath_len);
+extern "C" GPUBASELIBAPI void writeComplexDataBinFile(char* dataPath, size_t datalen, cuComplex* data);
+
+template<typename T>
+inline std::shared_ptr<T> CPUToHost(std::shared_ptr<T> CPUArr, size_t len) {
+	std::shared_ptr<T> result = std::shared_ptr<T>((T*)mallocCUDAHost(len*sizeof(T)), FreeCUDAHost);
+	for (size_t i = 0; i < len; i++) {
+		result.get()[i] = CPUArr.get()[i];
+	}
+	return result;
+}
+
+
+#endif // !__GPUBASETOOL_H__

GPUBaseLib/GPUTool/GPUTool.cuh

@@ -16,11 +16,13 @@
 #define LAMP_CUDA_PI 3.141592653589793238462643383279
 
 // SHAREMEMORY_FLOAT_HALF_STEP * BLOCK_SIZE = SHAREMEMORY_FLOAT_HALF
+/**  CUDA 调用参数 ************************************************************************************/
 #define BLOCK_SIZE 256
 #define SHAREMEMORY_BYTE 49152
 #define SHAREMEMORY_FLOAT_HALF 6144
 #define SHAREMEMORY_FLOAT_HALF_STEP 24
-
+#define SHAREMEMORY_DEM_STEP 768
+#define SHAREMEMORY_Reflect 612
 
 
 
@@ -110,6 +112,13 @@ extern "C" GPUBASELIBAPI void CUDAIFFT(cuComplex* inArr, cuComplex* outArr, long
 
 extern "C" GPUBASELIBAPI void FFTShift1D(cuComplex* d_data, int batch_size, int signal_length);
 extern "C" GPUBASELIBAPI void shared_complexPtrToHostCuComplex(std::complex<double>* src, cuComplex* dst, size_t len);
+
+
 extern "C" GPUBASELIBAPI void HostCuComplexToshared_complexPtr(cuComplex* src, std::complex<double>* dst, size_t len);
+
+
+
+
+
 #endif
 #endif

Toolbox/SimulationSARTool/Sigma0ClsReflect.cu

@@ -0,0 +1,132 @@
+#include "BaseConstVariable.h"
+#include "GPURFPC.cuh"
+
+const double cls_sigma0[102][6] = {
+    {0, 0, 0, 0, 0, 0}, // 0
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {28.15, -39.73, 0.0986, 2.863, 4.356, -6.279}, // 10
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {36.13, -48.2, 0.1299, -1.838, 5.404, -4.015},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {183.5, -194.6, 0.0167, 2.952, -4.1, 6.026},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {50.97, -62.9, 0.0968, 1.604, 4.637, 6.108},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {-10.31, 15.96, 37.73, -4.584, 4.997, -3.569},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {-12.45, 0.1561, -3.187, -2.482, 8.244, 0.3632},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {-19.23, 0.3623, -2.209, 9.649, 0.1292, -0.264},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {0, 0, 0, 0, 0, 0},
+    {56.61, -62.29, 0.01388, 2.767, -3.943, 5.995},
+    {0, 0, 0, 0, 0, 0} };
+
+
+
+/**  ²ÎÊý ***************************************************************/
+
+
+
+extern "C" double* hostSigmaData_toDevice(int devid)
+{
+    double* h_data = (double*)mallocCUDAHost(102 * 6 * sizeof(double));
+    double* d_data = (double*)mallocCUDADevice(102 * 6 * sizeof(double), devid);
+    printf("copy to ");
+    for (long i = 0; i < 102; i++)
+    {
+        printf(" %d ,", i);
+        for (long j = 0; j < 6; j++)
+        {
+            h_data[i * 6 + j] = cls_sigma0[i][j];
+        }
+    }
+    printf("host to device sigma data\n");
+    HostToDevice(h_data, d_data, 102 * 6 * sizeof(double));
+    FreeCUDAHost(h_data);
+    return d_data;
+}
+

Toolbox/SimulationSARTool/SimulationSAR/GPURFPC.cu

@@ -463,6 +463,128 @@ void CUDA_RFPC_MainProcess(
 }
 
 
+
+
+
+
+
+
+
+
+
+/* 核函数 ****************************************************************************************************************************/
+__global__ void CUDA_Kernel_RFPC(
+	SateState* antlist,
+	long PRFCount, long Freqcount, // 整体的脉冲数，
+	GoalState* goallist,
+	long demLen,
+	double StartFreqGHz, double FreqStep,
+	double refPhaseRange,
+	double NearR, double FarR,
+	CUDASigmaParam clsSigma0,
+	cuComplex* echodata
+	 )
+{
+
+	__shared__ GoalState Ts[SHAREMEMORY_DEM_STEP];
+	long threadid = threadIdx.x;
+ 
+	long idx = blockIdx.x * blockDim.x + threadIdx.x; // 获取当前的线程编码
+	long prfid = floorf(idx / Freqcount);
+	long freqid = idx % Freqcount;
+	// printf("%d,%d ",prfid,freqid);
+	if (prfid < PRFCount && freqid < Freqcount)
+	{
+		SateState antPos = antlist[prfid];
+		double factorjTemp = RFPCPIDIVLIGHT * (StartFreqGHz + freqid * FreqStep);
+
+		double Tx = 0;
+		double Ty = 0;
+		double Tz = 0;
+
+		double R = 0;
+		double incAngle = 0;
+
+		double echo_real = 0;
+		double echo_imag = 0;
+
+		cuComplex echo = make_cuComplex(0, 0);
+
+		for (long startid = 0; startid < demLen; startid = startid + SHAREMEMORY_DEM_STEP)
+		{
+			__syncthreads(); // 确定所有待处理数据都已经进入程序中
+			for (long i = 0; i < 3; i++) {
+				long ttid = startid + threadid + i * blockDim.x;
+				long stid = threadid + i * blockDim.x;
+				if ((stid < SHAREMEMORY_DEM_STEP) && (ttid < demLen)) {
+					Ts[stid] = goallist[ttid];
+				}
+			}
+			__syncthreads(); // 确定所有待处理数据都已经进入程序中
+
+			for (long tid = 0; tid < SHAREMEMORY_DEM_STEP; tid++)
+			{
+				if ((tid + startid) < demLen)
+				{
+					GoalState p = Ts[tid];
+					Tx = p.Tx;
+					Ty = p.Ty;
+					Tz = p.Tz;
+
+					Tx = antPos.Px - Tx; // T->P
+					Ty = antPos.Py - Ty;
+					Tz = antPos.Pz - Tz;
+
+					R = sqrt(Tx * Tx + Ty * Ty + Tz * Tz);
+					bool isNearFar = (R < NearR || R > FarR);
+			 
+
+					incAngle = sqrt(p.TsX * p.TsX + p.TsY * p.TsY + p.TsZ * p.TsZ);
+					incAngle = acos((Tx * p.TsX + Ty * p.TsY + Tz * p.TsZ) / (R * incAngle));
+					incAngle = GPU_getSigma0dB_params(clsSigma0.p1, clsSigma0.p2, clsSigma0.p3, clsSigma0.p4, clsSigma0.p5, clsSigma0.p6, incAngle); // sigma
+					incAngle = pow(10.0, incAngle / 10.0);                               // amp
+					incAngle = incAngle / (powf(4 * LAMP_CUDA_PI, 2) * powf(R, 4));      //
+
+					R = (R - refPhaseRange);
+					R = factorjTemp * R;
+
+					echo_real = incAngle * cos(R)* isNearFar;
+					echo_imag = incAngle * sin(R)* isNearFar;
+					echo.x = echo.x + echo_real;
+					echo.y = echo.y + echo_imag;
+				}
+			}
+		}
+
+		echodata[idx] = cuCaddf(echodata[idx], echo);
+	}
+}
+
+
+/**  分块处理 ****************************************************************************************************************/
+
+extern "C" void ProcessRFPCTask(RFPCTask& task)
+{
+	long pixelcount = task.prfNum * task.freqNum;
+	long grid_size = (pixelcount + BLOCK_SIZE - 1) / BLOCK_SIZE;
+	printf("start %d ,%d,%d\n", task.targetnum, grid_size, BLOCK_SIZE);
+	CUDA_Kernel_RFPC << <grid_size, BLOCK_SIZE >> >  (
+		task.antlist,
+		task.prfNum,task.freqNum,
+		task.goallist,
+		task.targetnum,
+		task.startFreq,task.stepFreq,
+		task.Rref,task.Rnear,task.Rfar,
+		task.sigma0_cls,
+		task.d_echoData
+		);
+	PrintLasterError("ProcessRFPCTask");
+	cudaDeviceSynchronize();
+	printf("start %d \n", task.targetnum);
+}
+
+
+
 #endif
 
 

Toolbox/SimulationSARTool/SimulationSAR/GPURFPC.cuh

@@ -8,9 +8,26 @@
 #include <cublas_v2.h>
 #include <cuComplex.h>
 
+/**  CUDA ľ÷ÓòÎĘý ************************************************************************************/
+ 
+
+
 #define RFPCPIDIVLIGHT -4*PI/(LIGHTSPEED/1e9)
 
 
+extern "C" struct SateState {
+	double Px, Py, Pz, Vx, Vy, Vz;
+};
+
+
+extern "C" struct  GoalState {
+	double Tx, Ty, Tz, TsX, TsY, TsZ;
+	size_t cls;
+};
+
+
+
+ 
 extern "C" struct  CUDASigmaParam {
 	double p1;
 	double p2;
@@ -20,6 +37,59 @@ extern "C" struct  CUDASigmaParam {
 	double p6;
 };
 
+extern "C" struct SloperDs
+{
+	double* SloperX;
+	double* SloperY;
+	double* SloperZ;
+	double* SloperAngle;
+
+};
+
+extern "C" struct DEMDs
+{
+	double* demX;
+	double* demY;
+	double* demZ;
+};
+
+extern "C" struct LandDataDs
+{
+	unsigned char* landData;
+};
+
+extern "C" struct GPSPointsDs
+{
+	double* Pxs;
+	double* Pys;
+	double* Pzs;
+	double* Vxs;
+	double* Vys;
+	double* Vzs;
+};
+
+
+extern "C" struct RFPCTask
+{
+	double startFreq;
+	double stepFreq;
+	long freqNum;
+	long prfNum;
+
+	double Rnear;
+	double Rfar;
+	double Rref;
+
+
+	SateState* antlist = nullptr;
+	GoalState* goallist = nullptr;
+	cuComplex* d_echoData = nullptr; // ťŘ˛¨
+	CUDASigmaParam sigma0_cls;
+
+
+	long targetnum;
+
+};
 
 
 extern  __device__ double GPU_getSigma0dB_params(
@@ -73,8 +143,8 @@ extern "C" void CUDA_RFPC_MainProcess(
 
 
 
-
+extern "C" double* hostSigmaData_toDevice(int devid);
-
+extern "C" void ProcessRFPCTask(RFPCTask& task);
 
 
 

Toolbox/SimulationSARTool/SimulationSAR/RFPCProcessCls.cpp

@@ -1,6 +1,7 @@
 
 #include "stdafx.h"
 #include <complex>
+#include "GPUBaseTool.h"
 #include "RFPCProcessCls.h"
 #include "BaseConstVariable.h"
 #include "SARSatelliteSimulationAbstractCls.h"
@@ -306,8 +307,8 @@ ErrorCode RFPCProcessCls::Process(long num_thread)
 
 	//return ErrorCode::SUCCESS;
 
-	stateCode = this->RFPCMainProcess_GPU();
+	//stateCode = this->RFPCMainProcess_GPU();
-
+	stateCode = this->RFPCMainProcess_MultiGPU_NoAntPattern();
 	if (stateCode != ErrorCode::SUCCESS) {
 		return stateCode;
 	}
@@ -542,17 +543,12 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU() {
 	long freqnum_temp = freqnum;
 	float f0 = float(freqlist[0] / 1e9);
 	float dfreq = float((freqlist[1] - freqlist[0]) / 1e9);
-	qDebug() << "freqnum: " << freqnum << " f0: " << f0 << " dfreq: " << dfreq;
 	long PRFCount = this->EchoSimulationData->getPluseCount();
-
 	double NearRange = this->EchoSimulationData->getNearRange(); // 近斜距
 	double FarRange = this->EchoSimulationData->getFarRange();
-
 	double Pt = this->TaskSetting->getPt() * this->TaskSetting->getGri();// 发射电压 1v
-
 	double lamda = this->TaskSetting->getCenterLamda(); // 波长
 	double refphaseRange = this->TaskSetting->getRefphaseRange(); // 参考相位斜距
-
 	double prf_time = 0;
 	double dt = 1 / this->TaskSetting->getPRF();// 获取每次脉冲的时间间隔
 	bool antflag = true; // 计算天线方向图
@@ -935,6 +931,202 @@ ErrorCode RFPCProcessCls::RFPCMainProcess_GPU() {
 	return ErrorCode::SUCCESS;
 }
 
+ErrorCode RFPCProcessCls::RFPCMainProcess_MultiGPU_NoAntPattern()
+{
+	int num_devices;
+	cudaGetDeviceCount(&num_devices);
+	PRINT("GPU Count : %d \n", num_devices);
+
+	long prfcount = this->EchoSimulationData->getPluseCount();
+	size_t prfblockcount = (prfcount + num_devices +2- 1) / num_devices;
+
+	double prf_time = 0;
+	double dt = 1 / this->TaskSetting->getPRF();// 获取每次脉冲的时间间隔
+	bool antflag = true; // 计算天线方向图
+	long double  imageStarttime = this->TaskSetting->getSARImageStartTime();
+	std::shared_ptr<SatelliteOribtNode[]> sateOirbtNodes = this->getSatelliteOribtNodes(prf_time, dt, antflag, imageStarttime);
+
+
+
+
+#pragma omp parallel for 
+	for (int devid = 0; devid < num_devices; devid++) {
+		cudaSetDevice(devid);  // 确保当前线程操作指定的GPU设备
+		this->RFPCMainProcess_GPU_NoAntPattern(0, 0, devid);
+		size_t startTid = devid * prfblockcount;
+		size_t prf_devLen = prfblockcount;
+		prf_devLen = (startTid + prf_devLen) < prfcount ? prf_devLen : (prfcount - startTid);
+		this->RFPCMainProcess_GPU_NoAntPattern(startTid, prf_devLen, devid);
+	}
+
+
+	return ErrorCode::SUCCESS;
+}
+
+ErrorCode RFPCProcessCls::RFPCMainProcess_GPU_NoAntPattern(size_t startprfid, size_t prfcount, int devId)
+{
+	/// 显存不限制
+	cudaSetDevice(devId);  // 确保当前线程操作指定的GPU设备
+	POLARTYPEENUM polartype = this->TaskSetting->getPolarType();
+	std::map<long, SigmaParam> clssigmaParamsDict = this->SigmaDatabasePtr->getsigmaParams(polartype);;
+	std::map<long, CUDASigmaParam> clsCUDASigmaParamsDict;
+	for (const auto& pair : clssigmaParamsDict) {
+		clsCUDASigmaParamsDict.insert(std::pair<long, CUDASigmaParam>(pair.first, 
+			CUDASigmaParam{ 
+				pair.second.p1,
+				pair.second.p2,
+				pair.second.p3,
+				pair.second.p4,
+				pair.second.p5,
+				pair.second.p6			
+			}));
+	}
+
+
+	// 读取类别
+	gdalImage demxyz(this->demxyzPath);// 地面点坐标
+	gdalImage demlandcls(this->LandCoverPath);// 地表覆盖类型 
+	gdalImage slpxyz(this->demsloperPath);// 地面坡向
+	// 处理地面坐标
+	long demRow = demxyz.height;
+	long demCol = demxyz.width;
+	size_t demCount = size_t(demRow) * size_t(demCol);
+
+	std::shared_ptr<double> demX = readDataArr<double>(demxyz, 0, 0, demRow, demCol, 1, GDALREADARRCOPYMETHOD::VARIABLEMETHOD);
+	std::shared_ptr<double> demY = readDataArr<double>(demxyz, 0, 0, demRow, demCol, 2, GDALREADARRCOPYMETHOD::VARIABLEMETHOD);
+	std::shared_ptr<double> demZ = readDataArr<double>(demxyz, 0, 0, demRow, demCol, 3, GDALREADARRCOPYMETHOD::VARIABLEMETHOD);
+	std::shared_ptr<double> slpX = readDataArr<double>(slpxyz, 0, 0, demRow, demCol, 1, GDALREADARRCOPYMETHOD::VARIABLEMETHOD);
+	std::shared_ptr<double> slpY = readDataArr<double>(slpxyz, 0, 0, demRow, demCol, 2, GDALREADARRCOPYMETHOD::VARIABLEMETHOD);
+	std::shared_ptr<double> slpZ = readDataArr<double>(slpxyz, 0, 0, demRow, demCol, 3, GDALREADARRCOPYMETHOD::VARIABLEMETHOD);
+	std::shared_ptr<long> clsArr = readDataArr<long>(demlandcls, 0, 0, demRow, demCol, 1, GDALREADARRCOPYMETHOD::VARIABLEMETHOD);
+
+
+	// 检索类别数量
+	std::map<long, size_t> clsCountDict;
+	for (const auto& pair : clssigmaParamsDict) {
+		clsCountDict.insert(std::pair<long, size_t>(pair.first, 0));
+	}
+
+	for (size_t i = 0; i < demCount; i++) {
+		long clsid = clsArr.get()[i];
+		if (clsCountDict.find(clsid) != clsCountDict.end()) {
+			clsCountDict[clsid] = clsCountDict[clsid] + 1;
+		}
+	}
+
+	std::map<long, std::shared_ptr<GoalState>> clsGoalStateDict;
+	for (const auto& pair : clsCountDict) {
+		clsGoalStateDict.insert(
+			std::pair<long, std::shared_ptr<GoalState>>(
+				pair.first,
+				std::shared_ptr<GoalState>((GoalState*)mallocCUDAHost(sizeof(GoalState) * pair.second), FreeCUDAHost)));
+	}
+
+	// 分块处理大小
+	size_t blocksize = 1000;
+
+	std::map<long, size_t> clsCountDictTemp;
+	for (const auto& pair : clsCountDict) {
+		clsCountDictTemp.insert(std::pair<long, size_t>(pair.first, pair.second));
+	}
+
+	for (long i = 0; i < demCount; i++) {
+		long clsid = clsArr.get()[i];
+		size_t Currentclscount = clsCountDictTemp[clsid];
+		size_t allclscount = clsCountDict[clsid];
+		clsGoalStateDict[clsid].get()[Currentclscount-allclscount].Tx = demX.get()[i];
+		clsGoalStateDict[clsid].get()[Currentclscount-allclscount].Ty = demY.get()[i];
+		clsGoalStateDict[clsid].get()[Currentclscount-allclscount].Tz = demZ.get()[i];
+		clsGoalStateDict[clsid].get()[Currentclscount-allclscount].TsX = slpX.get()[i];
+		clsGoalStateDict[clsid].get()[Currentclscount-allclscount].TsY = slpY.get()[i];
+		clsGoalStateDict[clsid].get()[Currentclscount-allclscount].TsZ = slpZ.get()[i];
+		clsGoalStateDict[clsid].get()[Currentclscount-allclscount].cls = clsArr.get()[i];
+		Currentclscount = Currentclscount - 1;
+	}
+
+
+
+	RFPCTask task;
+	// 参数声明
+	task.freqNum = this->EchoSimulationData->getPlusePoints();
+	task.prfNum = prfcount;
+	task.Rref = this->EchoSimulationData->getRefPhaseRange();
+	task.Rnear = this->EchoSimulationData->getNearRange();
+	task.Rfar = this->EchoSimulationData->getFarRange();
+	task.startFreq = this->EchoSimulationData->getCenterFreq() - this->EchoSimulationData->getBandwidth() / 2;
+	task.stepFreq = this->EchoSimulationData->getBandwidth() / (task.freqNum - 1);
+	task.d_echoData = (cuComplex*)mallocCUDADevice(prfcount * task.freqNum * sizeof(cuComplex), devId);
+
+	// 天线位置
+	{
+		std::shared_ptr<SatelliteAntPos> antplise = this->EchoSimulationData->getAntPosVelc();
+		std::shared_ptr<SateState> h_antlist((SateState*)mallocCUDAHost(prfcount * sizeof(SateState)), FreeCUDAHost);
+
+		for (long i = 0; i < prfcount; i++) {
+			h_antlist.get()[i].Px = antplise.get()[i + startprfid].Px;
+			h_antlist.get()[i].Py = antplise.get()[i + startprfid].Py;
+			h_antlist.get()[i].Pz = antplise.get()[i + startprfid].Pz;
+			h_antlist.get()[i].Vx = antplise.get()[i + startprfid].Vx;
+			h_antlist.get()[i].Vy = antplise.get()[i + startprfid].Vy;
+			h_antlist.get()[i].Vz = antplise.get()[i + startprfid].Vz;
+		}
+
+		task.antlist = (SateState*)mallocCUDADevice(prfcount * sizeof(SateState), devId);
+		HostToDevice(h_antlist.get(), task.antlist, sizeof(double) * prfcount);
+
+	}
+
+	// 分块计算
+	for (const auto& pair : clsCUDASigmaParamsDict) {
+		long clsid = pair.first;
+		size_t clscount = clsCountDict[clsid];
+		PRINT("Process Class ID : %d , Count: %d\n", clsid, clscount);
+		task.targetnum = clscount;
+		task.goallist = (GoalState*)mallocCUDADevice(clscount * sizeof(GoalState), devId);
+		HostToDevice(clsGoalStateDict[clsid].get(), task.goallist, sizeof(GoalState) * clscount);
+		task.sigma0_cls = pair.second;
+		ProcessRFPCTask(task);
+		FreeCUDADevice(task.goallist);
+	}
+
+
+
+	// 文件读写
+	omp_lock_t lock;
+	omp_init_lock(&lock);
+	omp_set_lock(&lock);
+
+
+	cuComplex* h_echoData = (cuComplex*)mallocCUDAHost(prfcount * task.freqNum * sizeof(cuComplex));
+	DeviceToHost(h_echoData, task.d_echoData, prfcount* task.freqNum * sizeof(cuComplex));
+
+	long prfcount_read = prfcount;
+	std::shared_ptr<std::complex<double>> fileEchoArr = this->EchoSimulationData->getEchoArr(startprfid, prfcount_read);
+
+	for (size_t i = 0; i < prfcount; i++) {
+		for (size_t j = 0; j < task.freqNum; j++) {
+			std::complex<double> temp = fileEchoArr.get()[i * task.freqNum + j];
+			fileEchoArr.get()[i * task.freqNum + j] = std::complex<double>(
+				temp.real() + h_echoData[i * task.freqNum + j].x,
+				temp.imag() + h_echoData[i * task.freqNum + j].y
+			);
+		}
+	}
+
+
+	this->EchoSimulationData->saveEchoArr(fileEchoArr, startprfid, prfcount_read);
+
+
+	omp_unset_lock(&lock);	 // 锟酵放伙拷斤拷
+	omp_destroy_lock(&lock); // 劫伙拷斤拷
+
+	FreeCUDADevice(task.d_echoData);
+	FreeCUDADevice(task.antlist);
+	//FreeCUDADevice(task.goallist);
+
+	return ErrorCode::SUCCESS;
+}
+
 
 
 

Toolbox/SimulationSARTool/SimulationSAR/RFPCProcessCls.h

@@ -79,6 +79,10 @@ private: //
  	ErrorCode InitEchoMaskArray();
 	//ErrorCode RFPCMainProcess(long num_thread);
 	ErrorCode RFPCMainProcess_GPU();
+	ErrorCode RFPCMainProcess_MultiGPU_NoAntPattern(); // 多GPU处理,不考虑天线方向图
+
+	ErrorCode RFPCMainProcess_GPU_NoAntPattern(size_t startprfid, size_t prfcount,int devId=0);
+
 
 	std::shared_ptr<SatelliteOribtNode[]> getSatelliteOribtNodes(double prf_time, double dt, bool antflag, long double imageStarttime);
 

Toolbox/SimulationSARTool/SimulationSARTool.vcxproj

@@ -226,6 +226,7 @@
     <ClCompile Include="SimulationSAR\TBPImageAlgCls.cpp" />
     <ClCompile Include="UnitTestMain.cpp" />
     <CudaCompile Include="GPUBpSimulation.cu" />
+    <CudaCompile Include="Sigma0ClsReflect.cu" />
     <CudaCompile Include="SimulationSAR\GPURFPC_single.cu" />
     <CudaCompile Include="SimulationSAR\GPUTBPImage.cu" />
     <QtMoc Include="PowerSimulationIncoherent\QSimulationSARPolynomialOrbitModel.h" />

Toolbox/SimulationSARTool/SimulationSARTool.vcxproj.filters

@@ -217,5 +217,8 @@
     <CudaCompile Include="SimulationSAR\GPURFPC_single.cu">
       <Filter>SimulationSAR</Filter>
     </CudaCompile>
+    <CudaCompile Include="Sigma0ClsReflect.cu">
+      <Filter>SimulationSAR</Filter>
+    </CudaCompile>
   </ItemGroup>
 </Project>