Linux下Qt+CUDA调试并运行

Qt与CUDA相结合具体的操作主要修改qt项目中的配置文件pro。下面以测试的项目为例。

因为这是一个测试案例，代码很简单，下面将这几个文件的代码贴出来，方面后面对应pro文件和Makefile文件中的内容。

1.main.cpp

 #include "mainwindow.h"

 #include <QApplication>

 int main(int argc, char *argv[])

 {

     printf("main1 \n");

     QApplication a(argc, argv);

     MainWindow w;

     w.show();

    printf("main2 \n");

     return a.exec();

 }

2.mainwindow.cpp

 #include "ui_mainwindow.h"

 #include "binlinearinterpolationcuda.h"

 MainWindow::MainWindow(QWidget *parent) :

     QMainWindow(parent),

     ui(new Ui::MainWindow)

 {

     ui->setupUi(this);

     printf("MainWindow \n");

     BinlinearInterpolation();//cuda代码的入口

 }

 MainWindow::~MainWindow()

 {

     delete ui;

 }

3.binlinearinterpolationcuda.cu

 #include "binlinearinterpolationcuda.h"

 __global__ void Binlinear1_kernel(float *M,float *N,int *x,int *width1);

 __global__ void Binlinear2_kernel(float *N,float *V,int *y,int *width1);

 void BinlinearInterpolation(){

 /****/

     Binlinear1_kernel<<<gridDim,blockDim>>>(M,N,x,width1);

     Binlinear2_kernel<<<gridDim1,blockDim1>>>(N,V,y,width1);

 /***/

 }

4.binlinearinterpolationcuda.h

 #ifndef BINLINEARINTERPOLATIONCUDA_H

 #define BINLINEARINTERPOLATIONCUDA_H

 #include "cuda_runtime.h"

 #include "device_launch_parameters.h"

 #include <stdio.h>

 #include "malloc.h"

 #define  WIDTH 11

 #define  HEIGHT 10

 #define  X_INTER 3

 #define  Y_INTER 3

 #define  BLOCK_SIZE 8

 void BinlinearInterpolation();

 #endif // BINLINEARINTERPOLATIONCUDA_H

5.mainwindow.h

 #ifndef MAINWINDOW_H

 #define MAINWINDOW_H

 #include <QMainWindow>

 namespace Ui {

 class MainWindow;

 }

 class MainWindow : public QMainWindow

 {

     Q_OBJECT

 public:

     explicit MainWindow(QWidget *parent = );

     ~MainWindow();

     void creatMenu();

 private:

     Ui::MainWindow *ui;

 };

 #endif // MAINWINDOW_H

6.pro文件的配置

 ######################################################################

 # Automatically generated by qmake (2.01a) Thu Nov 2 11:20:26 2017

 ######################################################################

 TEMPLATE = app

 TARGET =

 DEPENDPATH += .

 INCLUDEPATH += . \

     /usr/local/include \

     /usr/include

 QT += core gui

 CONFIG += debug

 HEADERS += mainwindow.h \

     binlinearinterpolationcuda.h

 FORMS += mainwindow.ui

 SOURCES += main.cpp mainwindow.cpp

 LIBS += -L"/usr/local/lib" \

     -L"/usr/local/cuda/lib64" \

     -lcudart \

     -lcufft

 DEPENDPATH += .

 OTHER_FILES += binlinearinterpolationcuda.cu

 CUDA_SOURCES += binlinearinterpolationcuda.cu

 CUDA_SDK = "/usr/local/cuda"   # Path to cuda SDK install

 CUDA_DIR = "/usr/local/cuda"            # Path to cuda toolkit install

 SYSTEM_NAME = linux         # Depending on your system either 'Win32', 'x64', or 'Win64'

 SYSTEM_TYPE = 64            # '32' or '64', depending on your system

 CUDA_ARCH = sm_21           # Type of CUDA architecture, for example 'compute_10', 'compute_11', 'sm_10'

 NVCC_OPTIONS = --use_fast_math

 INCLUDEPATH += $$CUDA_DIR/include

 QMAKE_LIBDIR += $$CUDA_DIR/lib64/

 CUDA_OBJECTS_DIR = ./

 CUDA_LIBS = cudart cufft

 CUDA_INC = $$join(INCLUDEPATH,'" -I"','-I"','"')

 NVCC_LIBS = $$join(CUDA_LIBS,' -l','-l', '')

 CONFIG(debug, debug|release) {

     # Debug mode

     cuda_d.input = CUDA_SOURCES

     cuda_d.output = $$CUDA_OBJECTS_DIR/${QMAKE_FILE_BASE}_cuda.o

     cuda_d.commands = $$CUDA_DIR/bin/nvcc -D_DEBUG $$NVCC_OPTIONS $$CUDA_INC $$NVCC_LIBS --machine $$SYSTEM_TYPE -arch=$$CUDA_ARCH -c -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_NAME}

     cuda_d.dependency_type = TYPE_C

     QMAKE_EXTRA_COMPILERS += cuda_d

 }

 else {

     # Release mode

     cuda.input = CUDA_SOURCES

     cuda.output = $$CUDA_OBJECTS_DIR/${QMAKE_FILE_BASE}_cuda.o

     cuda.commands = $$CUDA_DIR/bin/nvcc $$NVCC_OPTIONS $$CUDA_INC $$NVCC_LIBS --machine $$SYSTEM_TYPE -arch=$$CUDA_ARCH -O3 -c -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_NAME}

     cuda.dependency_type = TYPE_C

     QMAKE_EXTRA_COMPILERS += cuda

 }

pro文件的配置是参照http://blog.163.com/qimo601@126/blog/static/15822093201401305739673/中提到的方法。该方法非常适用，比其他需要修改Makefile文件的方法更加实用。

7.修改完pro文件后，就可以qmake->make->执行目标文件

8.Makefile文件

 #############################################################################

 # Makefile for building: qtcuda

 # Generated by qmake (2.01a) (Qt 4.8.1) on: Thu Nov 2 19:39:13 2017

 # Project:  qtcuda.pro

 # Template: app

 # Command: /usr/local/Trolltech/Qt-4.8.1/bin/qmake -o Makefile qtcuda.pro

 #############################################################################

 ####### Compiler, tools and options

 CC            = gcc

 CXX           = g++

 DEFINES       = -DQT_GUI_LIB -DQT_CORE_LIB -DQT_SHARED

 CFLAGS        = -m64 -pipe -g -Wall -W -D_REENTRANT $(DEFINES)

 CXXFLAGS      = -m64 -pipe -g -Wall -W -D_REENTRANT $(DEFINES)

 INCPATH       = -I/usr/local/Trolltech/Qt-4.8.1/mkspecs/linux-g++-64 -I. -I/usr/local/Trolltech/Qt-4.8.1/include/QtCore -I/usr/local/Trolltech/Qt-4.8.1/include/QtGui -I/usr/local/Trolltech/Qt-4.8.1/include -I. -I/usr/local/include -I/usr/include -I/usr/local/cuda/include -I. -I.

 LINK          = g++

 LFLAGS        = -m64 -Wl,-rpath,/usr/local/Trolltech/Qt-4.8.1/lib

 LIBS          = $(SUBLIBS)  -L/usr/local/cuda/lib64/ -L/usr/local/Trolltech/Qt-4.8.1/lib -L/usr/local/lib -L/usr/local/cuda/lib64 -lcudart -lcufft -lQtGui -L/usr/local/Trolltech/Qt-4.8.1/lib -L/usr/X11R6/lib64 -lQtCore -lpthread

 AR            = ar cqs

 RANLIB        =

 QMAKE         = /usr/local/Trolltech/Qt-4.8.1/bin/qmake

 TAR           = tar -cf

 COMPRESS      = gzip -9f

 COPY          = cp -f

 SED           = sed

 COPY_FILE     = $(COPY)

 COPY_DIR      = $(COPY) -r

 STRIP         = strip

 INSTALL_FILE  = install -m 644 -p

 INSTALL_DIR   = $(COPY_DIR)

 INSTALL_PROGRAM = install -m 755 -p

 DEL_FILE      = rm -f

 SYMLINK       = ln -f -s

 DEL_DIR       = rmdir

 MOVE          = mv -f

 CHK_DIR_EXISTS= test -d

 MKDIR         = mkdir -p

 ####### Output directory

 OBJECTS_DIR   = ./

 ####### Files

 SOURCES       = main.cpp \

         mainwindow.cpp moc_mainwindow.cpp

 OBJECTS       = binlinearinterpolationcuda_cuda.o \

         main.o \

         mainwindow.o \

         moc_mainwindow.o

 DIST          = /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/unix.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/linux.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/gcc-base.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/gcc-base-unix.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/g++-base.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/g++-unix.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/qconfig.pri \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/modules/qt_webkit_version.pri \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt_functions.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt_config.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/exclusive_builds.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/default_pre.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/debug.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/default_post.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/unix/gdb_dwarf_index.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/warn_on.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/unix/thread.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/moc.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/resources.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/uic.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/yacc.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/lex.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/include_source_dir.prf \

         qtcuda.pro

 QMAKE_TARGET  = qtcuda

 DESTDIR       =

 TARGET        = qtcuda

 first: all

 ####### Implicit rules

 .SUFFIXES: .o .c .cpp .cc .cxx .C

 .cpp.o:

     $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<"

 .cc.o:

     $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<"

 .cxx.o:

     $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<"

 .C.o:

     $(CXX) -c $(CXXFLAGS) $(INCPATH) -o "$@" "$<"

 .c.o:

     $(CC) -c $(CFLAGS) $(INCPATH) -o "$@" "$<"

 ####### Build rules

 all: Makefile $(TARGET)

 $(TARGET): ui_mainwindow.h $(OBJECTS)

     $(LINK) $(LFLAGS) -o $(TARGET) $(OBJECTS) $(OBJCOMP) $(LIBS)

     { test -n "$(DESTDIR)" && DESTDIR="$(DESTDIR)" || DESTDIR=.; } && test $$(gdb --version | sed -e 's,[^0-9]\+\([0-9]\)\.\([0-9]\).*,\1\2,;q') -gt 72 && gdb --nx --batch --quiet -ex 'set confirm off' -ex "save gdb-index $$DESTDIR" -ex quit '$(TARGET)' && test -f $(TARGET).gdb-index && objcopy --add-section '.gdb_index=$(TARGET).gdb-index' --set-section-flags '.gdb_index=readonly' '$(TARGET)' '$(TARGET)' && rm -f $(TARGET).gdb-index || true

 Makefile: qtcuda.pro  /usr/local/Trolltech/Qt-4.8.1/mkspecs/linux-g++-64/qmake.conf /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/unix.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/linux.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/gcc-base.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/gcc-base-unix.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/g++-base.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/g++-unix.conf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/qconfig.pri \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/modules/qt_webkit_version.pri \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt_functions.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt_config.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/exclusive_builds.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/default_pre.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/debug.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/default_post.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/unix/gdb_dwarf_index.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/warn_on.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/unix/thread.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/moc.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/resources.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/uic.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/yacc.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/lex.prf \

         /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/include_source_dir.prf \

         /usr/local/Trolltech/Qt-4.8.1/lib/libQtGui.prl \

         /usr/local/Trolltech/Qt-4.8.1/lib/libQtCore.prl

     $(QMAKE) -o Makefile qtcuda.pro

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/unix.conf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/linux.conf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/gcc-base.conf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/gcc-base-unix.conf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/g++-base.conf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/common/g++-unix.conf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/qconfig.pri:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/modules/qt_webkit_version.pri:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt_functions.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt_config.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/exclusive_builds.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/default_pre.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/debug.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/default_post.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/unix/gdb_dwarf_index.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/warn_on.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/qt.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/unix/thread.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/moc.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/resources.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/uic.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/yacc.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/lex.prf:

 /usr/local/Trolltech/Qt-4.8.1/mkspecs/features/include_source_dir.prf:

 /usr/local/Trolltech/Qt-4.8.1/lib/libQtGui.prl:

 /usr/local/Trolltech/Qt-4.8.1/lib/libQtCore.prl:

 qmake:  FORCE

     @$(QMAKE) -o Makefile qtcuda.pro

 dist:

     @$(CHK_DIR_EXISTS) .tmp/qtcuda1.0.0 || $(MKDIR) .tmp/qtcuda1.0.0

     $(COPY_FILE) --parents $(SOURCES) $(DIST) .tmp/qtcuda1.0.0/ && $(COPY_FILE) --parents binlinearinterpolationcuda.cu .tmp/qtcuda1.0.0/ && $(COPY_FILE) --parents mainwindow.h binlinearinterpolationcuda.h .tmp/qtcuda1.0.0/ && $(COPY_FILE) --parents main.cpp mainwindow.cpp .tmp/qtcuda1.0.0/ && $(COPY_FILE) --parents mainwindow.ui .tmp/qtcuda1.0.0/ && (cd `dirname .tmp/qtcuda1.0.0` && $(TAR) qtcuda1.0.0.tar qtcuda1.0.0 && $(COMPRESS) qtcuda1.0.0.tar) && $(MOVE) `dirname .tmp/qtcuda1.0.0`/qtcuda1.0.0.tar.gz . && $(DEL_FILE) -r .tmp/qtcuda1.0.0

 clean:compiler_clean

     -$(DEL_FILE) $(OBJECTS)

     -$(DEL_FILE) *~ core *.core

 ####### Sub-libraries

 distclean: clean

     -$(DEL_FILE) $(TARGET)

     -$(DEL_FILE) Makefile

 check: first

 mocclean: compiler_moc_header_clean compiler_moc_source_clean

 mocables: compiler_moc_header_make_all compiler_moc_source_make_all

 compiler_cuda_d_make_all: binlinearinterpolationcuda_cuda.o

 compiler_cuda_d_clean:

     -$(DEL_FILE) binlinearinterpolationcuda_cuda.o

 binlinearinterpolationcuda_cuda.o: binlinearinterpolationcuda.h \

         binlinearinterpolationcuda.cu

     /usr/local/cuda/bin/nvcc -D_DEBUG --use_fast_math -I"." -I"/usr/local/include" -I"/usr/include" -I"/usr/local/cuda/include" -lcudart -lcufft --machine 64 -arch=sm_21 -c -o binlinearinterpolationcuda_cuda.o binlinearinterpolationcuda.cu

 compiler_moc_header_make_all: moc_mainwindow.cpp

 compiler_moc_header_clean:

     -$(DEL_FILE) moc_mainwindow.cpp

 moc_mainwindow.cpp: mainwindow.h

     /usr/local/Trolltech/Qt-4.8.1/bin/moc $(DEFINES) $(INCPATH) mainwindow.h -o moc_mainwindow.cpp

 compiler_rcc_make_all:

 compiler_rcc_clean:

 compiler_image_collection_make_all: qmake_image_collection.cpp

 compiler_image_collection_clean:

     -$(DEL_FILE) qmake_image_collection.cpp

 compiler_moc_source_make_all:

 compiler_moc_source_clean:

 compiler_uic_make_all: ui_mainwindow.h

 compiler_uic_clean:

     -$(DEL_FILE) ui_mainwindow.h

 ui_mainwindow.h: mainwindow.ui

     /usr/local/Trolltech/Qt-4.8.1/bin/uic mainwindow.ui -o ui_mainwindow.h

 compiler_yacc_decl_make_all:

 compiler_yacc_decl_clean:

 compiler_yacc_impl_make_all:

 compiler_yacc_impl_clean:

 compiler_lex_make_all:

 compiler_lex_clean:

 compiler_clean: compiler_cuda_d_clean compiler_moc_header_clean compiler_uic_clean 

 ####### Compile

 main.o: main.cpp mainwindow.h

     $(CXX) -c $(CXXFLAGS) $(INCPATH) -o main.o main.cpp

 mainwindow.o: mainwindow.cpp mainwindow.h \

         ui_mainwindow.h \

         binlinearinterpolationcuda.h

     $(CXX) -c $(CXXFLAGS) $(INCPATH) -o mainwindow.o mainwindow.cpp

 moc_mainwindow.o: moc_mainwindow.cpp

     $(CXX) -c $(CXXFLAGS) $(INCPATH) -o moc_mainwindow.o moc_mainwindow.cpp

 ####### Install

 install:   FORCE

 uninstall:   FORCE

 FORCE:

有兴趣的同学，可以根据pro文件中的内容都Makefile中的代码。

9.有关pro文件的配置情况，可以参看“http://blog.csdn.net/liang19890820/article/details/51774724”

巴特西

Linux下Qt+CUDA调试并运行

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