remove gpu compute stuff (didn't work at all, might revisit later)

src/main.rs

@@ -2,17 +2,8 @@ use chrono::{DateTime, Utc};
 use indicatif::{ProgressBar, ProgressStyle};
 use physarum::model;
 use rand::Rng;
-use arrayfire as af;
 
 fn main() {
-    let gpu_compute: bool = false;
-    if gpu_compute {
-        backend_man();
-        // af::set_backend(af::Backend::CPU);
-        af::set_device(0);
-        af::info();
-    }
-
     // let n_iterations = 16384;
     let n_iterations = 1024;
     // let n_iterations = 100;
@@ -38,43 +29,11 @@ fn main() {
     let mut model = model::Model::new(width, height, n_particles, n_populations, diffusivity);
     model.print_configurations();
 
-    if gpu_compute {
-        model.run_cl(n_iterations);
-    } else {
-        model.run(n_iterations);
-    }
+    model.run(n_iterations);
     
 
     println!("Rendering all saved image data....");
     model.render_all_imgdata();
     model.flush_image_data();
     println!("Done!");
-}
-
-
-fn backend_man() {
-    let available = af::get_available_backends();
-
-    if available.contains(&af::Backend::CUDA) {
-        println!("Evaluating CUDA Backend...");
-        af::set_backend(af::Backend::CUDA);
-        println!("There are {} CUDA compute devices", af::device_count());
-        return;
-    }
-
-    /*
-    if available.contains(&af::Backend::OPENCL) {
-        println!("Evaluating OpenCL Backend...");
-        af::set_backend(af::Backend::OPENCL);
-        println!("There are {} OpenCL compute devices", af::device_count());
-        return;
-    }
-    */
-
-    if available.contains(&af::Backend::CPU) {
-        println!("Evaluating CPU Backend...");
-        af::set_backend(af::Backend::CPU);
-        println!("There are {} CPU compute devices", af::device_count());
-        return;
-    }
-}
+}