diff --git a/examples/run/cpu/seeding_example.cpp b/examples/run/cpu/seeding_example.cpp
index b33769bcc2..509a329c9b 100644
--- a/examples/run/cpu/seeding_example.cpp
+++ b/examples/run/cpu/seeding_example.cpp
@@ -53,9 +53,9 @@
 using namespace traccc;
 namespace po = boost::program_options;
 
-int seq_run(const traccc::seeding_input_config& /*i_cfg*/,
-            const traccc::finding_input_config<traccc::scalar>& finding_cfg,
-            const traccc::propagation_options<traccc::scalar>& propagation_opts,
+int seq_run(const traccc::seeding_input_options& /*i_cfg*/,
+            const traccc::finding_input_options& finding_cfg,
+            const traccc::propagation_options& propagation_opts,
             const traccc::common_options& common_opts,
             const traccc::detector_input_options& det_opts) {
 
@@ -272,9 +272,9 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::seeding_input_config seeding_input_cfg(desc);
-    traccc::finding_input_config<traccc::scalar> finding_input_cfg(desc);
-    traccc::propagation_options<traccc::scalar> propagation_opts(desc);
+    traccc::seeding_input_options seeding_input_cfg(desc);
+    traccc::finding_input_options finding_input_cfg(desc);
+    traccc::propagation_options propagation_opts(desc);
 
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);
@@ -289,8 +289,13 @@ int main(int argc, char* argv[]) {
     finding_input_cfg.read(vm);
     propagation_opts.read(vm);
 
-    std::cout << "Running " << argv[0] << " " << det_opts.detector_file << " "
-              << common_opts.input_directory << " " << common_opts.events
+    // Tell the user what's happening.
+    std::cout << "\nRunning the tracking chain on the host\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << seeding_input_cfg << "\n"
+              << finding_input_cfg << "\n"
+              << propagation_opts << "\n"
               << std::endl;
 
     return seq_run(seeding_input_cfg, finding_input_cfg, propagation_opts,
diff --git a/examples/run/cpu/seq_example.cpp b/examples/run/cpu/seq_example.cpp
index 709c9453e4..8e973df89b 100644
--- a/examples/run/cpu/seq_example.cpp
+++ b/examples/run/cpu/seq_example.cpp
@@ -34,7 +34,7 @@
 
 namespace po = boost::program_options;
 
-int seq_run(const traccc::full_tracking_input_config& i_cfg,
+int seq_run(const traccc::full_tracking_input_options& i_cfg,
             const traccc::common_options& common_opts,
             const traccc::detector_input_options& det_opts) {
 
@@ -162,7 +162,7 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::full_tracking_input_config full_tracking_input_cfg(desc);
+    traccc::full_tracking_input_options full_tracking_input_cfg(desc);
 
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);
@@ -175,9 +175,11 @@ int main(int argc, char* argv[]) {
     det_opts.read(vm);
     full_tracking_input_cfg.read(vm);
 
-    std::cout << "Running " << argv[0] << " "
-              << full_tracking_input_cfg.detector_file << " "
-              << common_opts.input_directory << " " << common_opts.events
+    // Tell the user what's happening.
+    std::cout << "\nRunning the full tracking chain on the host\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << full_tracking_input_cfg << "\n"
               << std::endl;
 
     return seq_run(full_tracking_input_cfg, common_opts, det_opts);
diff --git a/examples/run/cpu/truth_finding_example.cpp b/examples/run/cpu/truth_finding_example.cpp
index 93e3009059..81bd1f672c 100644
--- a/examples/run/cpu/truth_finding_example.cpp
+++ b/examples/run/cpu/truth_finding_example.cpp
@@ -43,8 +43,8 @@
 using namespace traccc;
 namespace po = boost::program_options;
 
-int seq_run(const traccc::finding_input_config<traccc::scalar>& i_cfg,
-            const traccc::propagation_options<scalar>& propagation_opts,
+int seq_run(const traccc::finding_input_options& i_cfg,
+            const traccc::propagation_options& propagation_opts,
             const traccc::common_options& common_opts,
             const traccc::detector_input_options& det_opts) {
 
@@ -203,8 +203,8 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::finding_input_config<traccc::scalar> finding_input_cfg(desc);
-    traccc::propagation_options<scalar> propagation_opts(desc);
+    traccc::finding_input_options finding_input_cfg(desc);
+    traccc::propagation_options propagation_opts(desc);
 
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);
@@ -218,8 +218,13 @@ int main(int argc, char* argv[]) {
     finding_input_cfg.read(vm);
     propagation_opts.read(vm);
 
-    std::cout << "Running " << argv[0] << " " << common_opts.input_directory
-              << " " << common_opts.events << std::endl;
+    // Tell the user what's happening.
+    std::cout << "\nRunning truth track finding on the host\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << finding_input_cfg << "\n"
+              << propagation_opts << "\n"
+              << std::endl;
 
     return seq_run(finding_input_cfg, propagation_opts, common_opts, det_opts);
 }
diff --git a/examples/run/cpu/truth_fitting_example.cpp b/examples/run/cpu/truth_fitting_example.cpp
index 2f8a5a16c4..1cbb8e4748 100644
--- a/examples/run/cpu/truth_fitting_example.cpp
+++ b/examples/run/cpu/truth_fitting_example.cpp
@@ -50,7 +50,7 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::propagation_options<scalar> propagation_opts(desc);
+    traccc::propagation_options propagation_opts(desc);
 
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);
@@ -64,8 +64,12 @@ int main(int argc, char* argv[]) {
 
     propagation_opts.read(vm);
 
-    std::cout << "Running " << argv[0] << " " << common_opts.input_directory
-              << " " << common_opts.events << std::endl;
+    // Tell the user what's happening.
+    std::cout << "\nRunning truth track fitting on the host\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << propagation_opts << "\n"
+              << std::endl;
 
     /// Type declarations
     using host_detector_type = detray::detector<detray::default_metadata,
diff --git a/examples/run/cuda/seeding_example_cuda.cpp b/examples/run/cuda/seeding_example_cuda.cpp
index e8792c3443..7f0b1307ad 100644
--- a/examples/run/cuda/seeding_example_cuda.cpp
+++ b/examples/run/cuda/seeding_example_cuda.cpp
@@ -60,9 +60,9 @@
 using namespace traccc;
 namespace po = boost::program_options;
 
-int seq_run(const traccc::seeding_input_config& /*i_cfg*/,
-            const traccc::finding_input_config<traccc::scalar>& finding_cfg,
-            const traccc::propagation_options<traccc::scalar>& propagation_opts,
+int seq_run(const traccc::seeding_input_options& /*i_cfg*/,
+            const traccc::finding_input_options& finding_cfg,
+            const traccc::propagation_options& propagation_opts,
             const traccc::common_options& common_opts,
             const traccc::detector_input_options& det_opts, bool run_cpu) {
 
@@ -485,9 +485,9 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::seeding_input_config seeding_input_cfg(desc);
-    traccc::finding_input_config<traccc::scalar> finding_input_cfg(desc);
-    traccc::propagation_options<traccc::scalar> propagation_opts(desc);
+    traccc::seeding_input_options seeding_input_cfg(desc);
+    traccc::finding_input_options finding_input_cfg(desc);
+    traccc::propagation_options propagation_opts(desc);
     desc.add_options()("run-cpu", po::value<bool>()->default_value(false),
                        "run cpu tracking as well");
 
@@ -505,8 +505,13 @@ int main(int argc, char* argv[]) {
     propagation_opts.read(vm);
     auto run_cpu = vm["run-cpu"].as<bool>();
 
-    std::cout << "Running " << argv[0] << " " << det_opts.detector_file << " "
-              << common_opts.input_directory << " " << common_opts.events
+    // Tell the user what's happening.
+    std::cout << "\nRunning the tracking chain using CUDA\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << seeding_input_cfg << "\n"
+              << finding_input_cfg << "\n"
+              << propagation_opts << "\n"
               << std::endl;
 
     return seq_run(seeding_input_cfg, finding_input_cfg, propagation_opts,
diff --git a/examples/run/cuda/seq_example_cuda.cpp b/examples/run/cuda/seq_example_cuda.cpp
index b8480fb6bd..fe5810923b 100644
--- a/examples/run/cuda/seq_example_cuda.cpp
+++ b/examples/run/cuda/seq_example_cuda.cpp
@@ -39,7 +39,7 @@
 
 namespace po = boost::program_options;
 
-int seq_run(const traccc::full_tracking_input_config& i_cfg,
+int seq_run(const traccc::full_tracking_input_options& i_cfg,
             const traccc::common_options& common_opts,
             const traccc::detector_input_options& det_opts, bool run_cpu) {
 
@@ -308,7 +308,7 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::full_tracking_input_config full_tracking_input_cfg(desc);
+    traccc::full_tracking_input_options full_tracking_input_cfg(desc);
     desc.add_options()("run-cpu", po::value<bool>()->default_value(false),
                        "run cpu tracking as well");
 
@@ -324,9 +324,11 @@ int main(int argc, char* argv[]) {
     full_tracking_input_cfg.read(vm);
     auto run_cpu = vm["run-cpu"].as<bool>();
 
-    std::cout << "Running " << argv[0] << " "
-              << full_tracking_input_cfg.detector_file << " "
-              << common_opts.input_directory << " " << common_opts.events
+    // Tell the user what's happening.
+    std::cout << "\nRunning the full tracking chain using CUDA\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << full_tracking_input_cfg << "\n"
               << std::endl;
 
     return seq_run(full_tracking_input_cfg, common_opts, det_opts, run_cpu);
diff --git a/examples/run/cuda/truth_finding_example_cuda.cpp b/examples/run/cuda/truth_finding_example_cuda.cpp
index 8e442346f2..77b7c54381 100644
--- a/examples/run/cuda/truth_finding_example_cuda.cpp
+++ b/examples/run/cuda/truth_finding_example_cuda.cpp
@@ -55,8 +55,8 @@
 using namespace traccc;
 namespace po = boost::program_options;
 
-int seq_run(const traccc::finding_input_config<traccc::scalar>& i_cfg,
-            const traccc::propagation_options<scalar>& propagation_opts,
+int seq_run(const traccc::finding_input_options& i_cfg,
+            const traccc::propagation_options& propagation_opts,
             const traccc::common_options& common_opts,
             const traccc::detector_input_options& det_opts, bool run_cpu) {
 
@@ -360,8 +360,8 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::finding_input_config<traccc::scalar> finding_input_cfg(desc);
-    traccc::propagation_options<scalar> propagation_opts(desc);
+    traccc::finding_input_options finding_input_cfg(desc);
+    traccc::propagation_options propagation_opts(desc);
     desc.add_options()("run-cpu", po::value<bool>()->default_value(false),
                        "run cpu tracking as well");
 
@@ -379,8 +379,13 @@ int main(int argc, char* argv[]) {
     propagation_opts.read(vm);
     auto run_cpu = vm["run-cpu"].as<bool>();
 
-    std::cout << "Running " << argv[0] << " " << common_opts.input_directory
-              << " " << common_opts.events << std::endl;
+    // Tell the user what's happening.
+    std::cout << "\nRunning truth track finding using CUDA\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << finding_input_cfg << "\n"
+              << propagation_opts << "\n"
+              << std::endl;
 
     return seq_run(finding_input_cfg, propagation_opts, common_opts, det_opts,
                    run_cpu);
diff --git a/examples/run/cuda/truth_fitting_example_cuda.cpp b/examples/run/cuda/truth_fitting_example_cuda.cpp
index 1ae47f3e3b..c0accd8272 100644
--- a/examples/run/cuda/truth_fitting_example_cuda.cpp
+++ b/examples/run/cuda/truth_fitting_example_cuda.cpp
@@ -61,7 +61,7 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::propagation_options<scalar> propagation_opts(desc);
+    traccc::propagation_options propagation_opts(desc);
     desc.add_options()("run-cpu", po::value<bool>()->default_value(false),
                        "run cpu tracking as well");
 
@@ -78,8 +78,12 @@ int main(int argc, char* argv[]) {
     propagation_opts.read(vm);
     auto run_cpu = vm["run-cpu"].as<bool>();
 
-    std::cout << "Running " << argv[0] << " " << common_opts.input_directory
-              << " " << common_opts.events << std::endl;
+    // Tell the user what's happening.
+    std::cout << "\nRunning truth track fitting using CUDA\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << propagation_opts << "\n"
+              << std::endl;
 
     /// Type declarations
     using host_detector_type = detray::detector<detray::default_metadata,
diff --git a/examples/run/sycl/seeding_example_sycl.sycl b/examples/run/sycl/seeding_example_sycl.sycl
index 8fd38164ff..b5fef67555 100644
--- a/examples/run/sycl/seeding_example_sycl.sycl
+++ b/examples/run/sycl/seeding_example_sycl.sycl
@@ -50,7 +50,7 @@
 
 namespace po = boost::program_options;
 
-int seq_run(const traccc::seeding_input_config& /*i_cfg*/,
+int seq_run(const traccc::seeding_input_options& /*i_cfg*/,
             const traccc::common_options& common_opts,
             const traccc::detector_input_options& det_opts, bool run_cpu) {
 
@@ -279,7 +279,7 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::seeding_input_config seeding_input_cfg(desc);
+    traccc::seeding_input_options seeding_input_cfg(desc);
     desc.add_options()("run-cpu", po::value<bool>()->default_value(false),
                        "run cpu tracking as well");
 
@@ -296,8 +296,11 @@ int main(int argc, char* argv[]) {
     seeding_input_cfg.read(vm);
     auto run_cpu = vm["run-cpu"].as<bool>();
 
-    std::cout << "Running " << argv[0] << " " << det_opts.detector_file << " "
-              << common_opts.input_directory << " " << common_opts.events
+    // Tell the user what's happening.
+    std::cout << "\nRunning the tracking chain using SYCL\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << seeding_input_cfg << "\n"
               << std::endl;
 
     return seq_run(seeding_input_cfg, common_opts, det_opts, run_cpu);
diff --git a/examples/run/sycl/seq_example_sycl.sycl b/examples/run/sycl/seq_example_sycl.sycl
index f7358cbf22..a5e6c0a81f 100644
--- a/examples/run/sycl/seq_example_sycl.sycl
+++ b/examples/run/sycl/seq_example_sycl.sycl
@@ -63,7 +63,7 @@ auto handle_async_error = [](::sycl::exception_list elist) {
     }
 };
 
-int seq_run(const traccc::full_tracking_input_config& i_cfg,
+int seq_run(const traccc::full_tracking_input_options& i_cfg,
             const traccc::common_options& common_opts,
             const traccc::detector_input_options& det_opts, bool run_cpu) {
 
@@ -334,7 +334,7 @@ int main(int argc, char* argv[]) {
     desc.add_options()("help,h", "Give some help with the program's options");
     traccc::common_options common_opts(desc);
     traccc::detector_input_options det_opts(desc);
-    traccc::full_tracking_input_config full_tracking_input_cfg(desc);
+    traccc::full_tracking_input_options full_tracking_input_cfg(desc);
     desc.add_options()("run-cpu", po::value<bool>()->default_value(false),
                        "run cpu tracking as well");
 
@@ -350,10 +350,12 @@ int main(int argc, char* argv[]) {
     full_tracking_input_cfg.read(vm);
     auto run_cpu = vm["run-cpu"].as<bool>();
 
-    std::cout << "Running " << argv[0] << " "
-              << full_tracking_input_cfg.detector_file << " "
-              << common_opts.input_directory << " " << common_opts.events
+    // Tell the user what's happening.
+    std::cout << "\nRunning the full tracking chain using SYCL\n\n"
+              << common_opts << "\n"
+              << det_opts << "\n"
+              << full_tracking_input_cfg << "\n"
               << std::endl;
 
     return seq_run(full_tracking_input_cfg, common_opts, det_opts, run_cpu);
-}
\ No newline at end of file
+}
diff --git a/examples/simulation/simulate.cpp b/examples/simulation/simulate.cpp
index b333183691..ebdab4b887 100644
--- a/examples/simulation/simulate.cpp
+++ b/examples/simulation/simulate.cpp
@@ -52,8 +52,8 @@ int main(int argc, char* argv[]) {
     desc.add_options()("events", po::value<unsigned int>()->required(),
                        "number of events");
     traccc::detector_input_options det_opts(desc);
-    traccc::particle_gen_options<scalar> pg_opts(desc);
-    traccc::propagation_options<scalar> propagation_opts(desc);
+    traccc::particle_gen_options pg_opts(desc);
+    traccc::propagation_options propagation_opts(desc);
 
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);
diff --git a/examples/simulation/simulate_telescope.cpp b/examples/simulation/simulate_telescope.cpp
index 04de450014..52cfe8bf39 100644
--- a/examples/simulation/simulate_telescope.cpp
+++ b/examples/simulation/simulate_telescope.cpp
@@ -36,9 +36,9 @@ using namespace traccc;
 namespace po = boost::program_options;
 
 int simulate(std::string output_directory, unsigned int events,
-             const traccc::particle_gen_options<scalar>& pg_opts,
-             const traccc::propagation_options<scalar>& propagation_opts,
-             const traccc::telescope_detector_options<scalar>& telescope_opts) {
+             const traccc::particle_gen_options& pg_opts,
+             const traccc::propagation_options& propagation_opts,
+             const traccc::telescope_detector_options& telescope_opts) {
 
     // Use deterministic random number generator for testing
     using uniform_gen_t =
@@ -153,9 +153,9 @@ int main(int argc, char* argv[]) {
                        "specify the directory of output data");
     desc.add_options()("events", po::value<unsigned int>()->required(),
                        "number of events");
-    traccc::particle_gen_options<scalar> pg_opts(desc);
-    traccc::propagation_options<scalar> propagation_opts(desc);
-    traccc::telescope_detector_options<scalar> telescope_opts(desc);
+    traccc::particle_gen_options pg_opts(desc);
+    traccc::propagation_options propagation_opts(desc);
+    traccc::telescope_detector_options telescope_opts(desc);
 
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);
diff --git a/examples/simulation/simulate_toy_detector.cpp b/examples/simulation/simulate_toy_detector.cpp
index 8fc9e016bd..8c9be4b4f2 100644
--- a/examples/simulation/simulate_toy_detector.cpp
+++ b/examples/simulation/simulate_toy_detector.cpp
@@ -34,8 +34,8 @@ using namespace traccc;
 namespace po = boost::program_options;
 
 int simulate(std::string output_directory, unsigned int events,
-             const traccc::particle_gen_options<scalar>& pg_opts,
-             const traccc::propagation_options<scalar>& propagation_opts) {
+             const traccc::particle_gen_options& pg_opts,
+             const traccc::propagation_options& propagation_opts) {
 
     // Use deterministic random number generator for testing
     using uniform_gen_t =
@@ -124,8 +124,8 @@ int main(int argc, char* argv[]) {
                        "specify the directory of output data");
     desc.add_options()("events", po::value<unsigned int>()->required(),
                        "number of events");
-    traccc::particle_gen_options<scalar> pg_opts(desc);
-    traccc::propagation_options<scalar> propagation_opts(desc);
+    traccc::particle_gen_options pg_opts(desc);
+    traccc::propagation_options propagation_opts(desc);
 
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);
diff --git a/examples/simulation/simulate_wire_chamber.cpp b/examples/simulation/simulate_wire_chamber.cpp
index b18ec6f635..11378a2a01 100644
--- a/examples/simulation/simulate_wire_chamber.cpp
+++ b/examples/simulation/simulate_wire_chamber.cpp
@@ -34,8 +34,8 @@ using namespace traccc;
 namespace po = boost::program_options;
 
 int simulate(std::string output_directory, unsigned int events,
-             const traccc::particle_gen_options<scalar>& pg_opts,
-             const traccc::propagation_options<scalar>& propagation_opts) {
+             const traccc::particle_gen_options& pg_opts,
+             const traccc::propagation_options& propagation_opts) {
 
     // Use deterministic random number generator for testing
     using uniform_gen_t =
@@ -129,8 +129,8 @@ int main(int argc, char* argv[]) {
                        "specify the directory of output data");
     desc.add_options()("events", po::value<unsigned int>()->required(),
                        "number of events");
-    traccc::particle_gen_options<scalar> pg_opts(desc);
-    traccc::propagation_options<scalar> propagation_opts(desc);
+    traccc::particle_gen_options pg_opts(desc);
+    traccc::propagation_options propagation_opts(desc);
 
     po::variables_map vm;
     po::store(po::parse_command_line(argc, argv, desc), vm);