Q&A
以下，makefile実行時の警告全文です．
chmod +x *.sh
g++ -std=c++11 -std=c++11 -Iinclude/ -I3rdparty/stb/include -DOPENCV `pkg-config --cflags opencv4 2> /dev/null || pkg-config --cflags opencv` -DGPU -I/usr/local/cuda/include/ -DCUDNN -DCUDNN_HALF -Wall -Wfatal-errors -Wno-unused-result -Wno-unknown-pragmas -fPIC -Ofast -DOPENCV -DGPU -DCUDNN -I/usr/local/cudnn/include -DCUDNN_HALF -c ./src/image_opencv.cpp -o obj/image_opencv.o
./src/image_opencv.cpp: In function ‘void draw_detections_cv_v3(void**, detection*, int, float, char**, image**, int, int)’:
./src/image_opencv.cpp:946:23: warning: variable ‘rgb’ set but not used [-Wunused-but-set-variable]
float rgb[3];
^~~
./src/image_opencv.cpp: In function ‘void draw_train_loss(char*, void**, int, float, float, int, int, float, int, char*, float, int, int, double)’:
./src/image_opencv.cpp:1147:13: warning: this ‘if’ clause does not guard... [-Wmisleading-indentation]
if (iteration_old == 0)
^~
./src/image_opencv.cpp:1150:10: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
if (iteration_old != 0){
^~
./src/image_opencv.cpp: In function ‘void cv_draw_object(image, float*, int, int, int*, float*, int*, int, char**)’:
./src/image_opencv.cpp:1444:14: warning: unused variable ‘buff’ [-Wunused-variable]
char buff[100];
^~~~
./src/image_opencv.cpp:1420:9: warning: unused variable ‘it_tb_res’ [-Wunused-variable]
int it_tb_res = cv::createTrackbar(it_trackbar_name, window_name, &it_trackbar_value, 1000);
^~~~~~~~~
./src/image_opencv.cpp:1424:9: warning: unused variable ‘lr_tb_res’ [-Wunused-variable]
int lr_tb_res = cv::createTrackbar(lr_trackbar_name, window_name, &lr_trackbar_value, 20);
^~~~~~~~~
./src/image_opencv.cpp:1428:9: warning: unused variable ‘cl_tb_res’ [-Wunused-variable]
int cl_tb_res = cv::createTrackbar(cl_trackbar_name, window_name, &cl_trackbar_value, classes-1);
^~~~~~~~~
./src/image_opencv.cpp:1431:9: warning: unused variable ‘bo_tb_res’ [-Wunused-variable]
int bo_tb_res = cv::createTrackbar(bo_trackbar_name, window_name, boxonly, 1);
^~~~~~~~~
g++ -std=c++11 -std=c++11 -Iinclude/ -I3rdparty/stb/include -DOPENCV `pkg-config --cflags opencv4 2> /dev/null || pkg-config --cflags opencv` -DGPU -I/usr/local/cuda/include/ -DCUDNN -DCUDNN_HALF -Wall -Wfatal-errors -Wno-unused-result -Wno-unknown-pragmas -fPIC -Ofast -DOPENCV -DGPU -DCUDNN -I/usr/local/cudnn/include -DCUDNN_HALF -c ./src/http_stream.cpp -o obj/http_stream.o
./src/http_stream.cpp: In member function ‘bool JSON_sender::write(const char*)’:
./src/http_stream.cpp:253:21: warning: unused variable ‘n’ [-Wunused-variable]
int n = _write(client, outputbuf, outlen);
^
./src/http_stream.cpp: In member function ‘bool MJPG_sender::write(const cv::Mat&)’:
./src/http_stream.cpp:511:113: warning: format ‘%zu’ expects argument of type ‘size_t’, but argument 3 has type ‘int’ [-Wformat=]
sprintf(head, "--mjpegstream\r\nContent-Type: image/jpeg\r\nContent-Length: %zu\r\n\r\n", outlen);
^
./src/http_stream.cpp: In function ‘void set_track_id(detection*, int, float, float, float, int, int, int)’:
./src/http_stream.cpp:867:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int i = 0; i < v.size(); ++i) {
~~^~~~~~~~~~
./src/http_stream.cpp:875:33: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int old_id = 0; old_id < old_dets.size(); ++old_id) {
~~~~~~~^~~~~~~~~~~~~~~~~
./src/http_stream.cpp:894:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for (int index = 0; index < new_dets_num*old_dets.size(); ++index) {
~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
./src/http_stream.cpp:930:28: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
if (old_dets_dq.size() > deque_size) old_dets_dq.pop_front();
~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~
gcc -Iinclude/ -I3rdparty/stb/include -DOPENCV `pkg-config --cflags opencv4 2> /dev/null || pkg-config --cflags opencv` -DGPU -I/usr/local/cuda/include/ -DCUDNN -DCUDNN_HALF -Wall -Wfatal-errors -Wno-unused-result -Wno-unknown-pragmas -fPIC -Ofast -DOPENCV -DGPU -DCUDNN -I/usr/local/cudnn/include -DCUDNN_HALF -c ./src/gemm.c -o obj/gemm.o
./src/gemm.c: In function ‘convolution_2d’:
./src/gemm.c:2044:15: warning: unused variable ‘out_w’ [-Wunused-variable]
const int out_w = (w + 2 * pad - ksize) / stride + 1; // output_width=input_width for stride=1 and pad=1
^~~~~
./src/gemm.c:2043:15: warning: unused variable ‘out_h’ [-Wunused-variable]
const int out_h = (h + 2 * pad - ksize) / stride + 1; // output_height=input_height for stride=1 and pad=1
^~~~~
gcc -Iinclude/ -I3rdparty/stb/include -DOPENCV `pkg-config --cflags opencv4 2> /dev/null || pkg-config --cflags opencv` -DGPU -I/usr/local/cuda/include/ -DCUDNN -DCUDNN_HALF -Wall -Wfatal-errors -Wno-unused-result -Wno-unknown-pragmas -fPIC -Ofast -DOPENCV -DGPU -DCUDNN -I/usr/local/cudnn/include -DCUDNN_HALF -c ./src/utils.c -o obj/utils.o
./src/utils.c: In function ‘custom_hash’:
./src/utils.c:1061:12: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
while (c = *str++)
^
gcc -Iinclude/ -I3rdparty/stb/include -DOPENCV `pkg-config --cflags opencv4 2> /dev/null || pkg-config --cflags opencv` -DGPU -I/usr/local/cuda/include/ -DCUDNN -DCUDNN_HALF -Wall -Wfatal-errors -Wno-unused-result -Wno-unknown-pragmas -fPIC -Ofast -DOPENCV -DGPU -DCUDNN -I/usr/local/cudnn/include -DCUDNN_HALF -c ./src/dark_cuda.c -o obj/dark_cuda.o
./src/dark_cuda.c: In function ‘cudnn_check_error_extended’:
./src/dark_cuda.c:230:20: warning: comparison between ‘cudaError_t {aka enum cudaError}’ and ‘enum <anonymous>’ [-Wenum-compare]
if (status != CUDNN_STATUS_SUCCESS)
^~
./src/dark_cuda.c: In function ‘cublas_check_error_extended’:
./src/dark_cuda.c:264:18: warning: comparison between ‘cudaError_t {aka enum cudaError}’ and ‘enum cudaError_enum’ [-Wenum-compare]
if (status != CUDA_SUCCESS)
^~
./src/dark_cuda.c: In function ‘pre_allocate_pinned_memory’:
./src/dark_cuda.c:395:40: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 2 has type ‘long unsigned int’ [-Wformat=]
printf("pre_allocate: size = %Iu MB, num_of_blocks = %Iu, block_size = %Iu MB \n",
~~^
%Ilu
size / (1024*1024), num_of_blocks, pinned_block_size / (1024 * 1024));
~~~~~~~~~~~~~~~~~~
./src/dark_cuda.c:395:64: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 3 has type ‘size_t {aka const long unsigned int}’ [-Wformat=]
printf("pre_allocate: size = %Iu MB, num_of_blocks = %Iu, block_size = %Iu MB \n",
~~^
%Ilu
./src/dark_cuda.c:395:82: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 4 has type ‘long unsigned int’ [-Wformat=]
printf("pre_allocate: size = %Iu MB, num_of_blocks = %Iu, block_size = %Iu MB \n",
~~^
%Ilu
./src/dark_cuda.c:405:37: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘size_t {aka const long unsigned int}’ [-Wformat=]
printf(" Allocated %d pinned block \n", pinned_block_size);
~^
%ld
./src/dark_cuda.c: In function ‘cuda_make_array_pinned_preallocated’:
./src/dark_cuda.c:426:43: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘size_t {aka long unsigned int}’ [-Wformat=]
printf("\n Pinned block_id = %d, filled = %f %% \n", pinned_block_id, filled);
~^
%ld
./src/dark_cuda.c:441:64: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat=]
printf("Try to allocate new pinned memory, size = %d MB \n", size / (1024 * 1024));
~^ ~~~~~~~~~~~~~~~~~~~~
%ld
./src/dark_cuda.c:447:63: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat=]
printf("Try to allocate new pinned BLOCK, size = %d MB \n", size / (1024 * 1024));
~^ ~~~~~~~~~~~~~~~~~~~~
%ld
At top level:
./src/dark_cuda.c:287:23: warning: ‘switchBlasHandle’ defined but not used [-Wunused-variable]
static cublasHandle_t switchBlasHandle[16];
^~~~~~~~~~~~~~~~
./src/dark_cuda.c:286:12: warning: ‘switchBlasInit’ defined but not used [-Wunused-variable]
static int switchBlasInit[16] = { 0 };
^~~~~~~~~~~~~~
gcc -Iinclude/ -I3rdparty/stb/include -DOPENCV `pkg-config --cflags opencv4 2> /dev/null || pkg-config --cflags opencv` -DGPU -I/usr/local/cuda/include/ -DCUDNN -DCUDNN_HALF -Wall -Wfatal-errors -Wno-unused-result -Wno-unknown-pragmas -fPIC -Ofast -DOPENCV -DGPU -DCUDNN -I/usr/local/cudnn/include -DCUDNN_HALF -c ./src/convolutional_lay
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