Fixing input size to 5K in cudnn HPVM src

hpvm/test/dnn_benchmarks/hpvm-c/benchmarks/alexnet2_cifar10/alexnet2_cifar10_cudnn.cpp

@@ -491,7 +491,7 @@ int main() {
   args->dense_1_b_bytes = 0;
 
   int batch_size = 500;
-  int test_input_size = 10000;
+  int test_input_size = 5000;
   int batch_count = test_input_size / batch_size;
 
   std::string input_path = dir_prefix + std::string("tune_input.bin");