diff --git a/dn8/Makefile b/dn8/Makefile
index 5b7412c..ab3f52d 100644
--- a/dn8/Makefile
+++ b/dn8/Makefile
@@ -28,3 +28,12 @@ run_remote:
 
 download_output:
 	rsync -a --progress  nsc:$(DESTINATION)/mandelbrot.png .
+
+run_local:
+	@test -n "$(width)" || (echo "width is not set"; exit 1)
+	@test -n "$(height)" || (echo "height is not set"; exit 1)
+
+	@echo "Compiling..."
+	gcc -g -Wall -lm mandelbrot.c -o mandelbrot
+	@echo "Running on CPU"
+	./mandelbrot $(width) $(height)
diff --git a/dn8/cuda.cu b/dn8/cuda.cu
index 3a41780..a77f82e 100644
--- a/dn8/cuda.cu
+++ b/dn8/cuda.cu
@@ -60,13 +60,10 @@ __global__ void mandelbrotGPU(unsigned char *img, int width, int height, int cha
     }
 }
 
-// take params
 int main(int argc, char **argv)
 {
     
-    // first argument is width
     int width = atoi(argv[1]);
-    // second argument is height
     int height = atoi(argv[2]);
 
     int channels = 4;
@@ -82,24 +79,18 @@ int main(int argc, char **argv)
     dim3 blockSize(BLOCK_SIZE, BLOCK_SIZE, 1);
     dim3 gridSize((width + blockSize.x - 1) / blockSize.x, (height + blockSize.y - 1) / blockSize.y, 1);
 
-    // Ustvarimo dogodke CUDA
     cudaEvent_t start, stop;
     cudaEventCreate(&start);
     cudaEventCreate(&stop);
 
-    // Zacnemo beleziti dogodke
     cudaEventRecord(start);
 
-    // Zazenemo funkcijo na GPE
     mandelbrotGPU<<<gridSize, blockSize>>>(img_d, width, height, channels);
 
     // Copy image to host 
     checkCudaErrors(cudaMemcpy(img_h, img_d, data_size, cudaMemcpyDeviceToHost));
 
-    // Zakljucimo z belezenjem dogodkov
     cudaEventRecord(stop);
-
-    // Pocakamo da se dogodki zgodijo, saj se izvajajo asinhrono
     cudaEventSynchronize(stop);
 
     float milliseconds = 0;
@@ -117,3 +108,81 @@ int main(int argc, char **argv)
 
     return 0;
 }
+
+/*  RESULTS
+resolution: 640,480, ngpus: 1, gpu_time: 1.664ms, cpu_time: 10.122344s -> speedup 6083.139423076924
+resolution: 640,480, ngpus: 2, gpu_time: 1.668ms, cpu_time: 10.122344s -> speedup 6068.551558752998
+resolution: 640,480, ngpus: 4, gpu_time: 1.676ms, cpu_time: 10.122344s -> speedup 6039.584725536993
+resolution: 640,600, ngpus: 1, gpu_time: 2.036ms, cpu_time: 10.124772s -> speedup 4972.874263261297
+resolution: 640,600, ngpus: 2, gpu_time: 2.051ms, cpu_time: 10.124772s -> speedup 4936.505119453925
+resolution: 640,600, ngpus: 4, gpu_time: 2.009ms, cpu_time: 10.124772s -> speedup 5039.707317073171
+resolution: 640,900, ngpus: 1, gpu_time: 2.132ms, cpu_time: 10.504951s -> speedup 4927.275328330206
+resolution: 640,900, ngpus: 2, gpu_time: 2.908ms, cpu_time: 10.504951s -> speedup 3612.431568088033
+resolution: 640,900, ngpus: 4, gpu_time: 2.882ms, cpu_time: 10.504951s -> speedup 3645.021165857044
+resolution: 640,1080, ngpus: 1, gpu_time: 2.639ms, cpu_time: 11.015781s -> speedup 4174.225464190982
+resolution: 640,1080, ngpus: 2, gpu_time: 3.366ms, cpu_time: 11.015781s -> speedup 3272.662210338681
+resolution: 640,1080, ngpus: 4, gpu_time: 3.372ms, cpu_time: 11.015781s -> speedup 3266.8389679715306
+resolution: 640,2160, ngpus: 1, gpu_time: 4.996ms, cpu_time: 12.115385s -> speedup 2425.0170136108886
+resolution: 640,2160, ngpus: 2, gpu_time: 4.905ms, cpu_time: 12.115385s -> speedup 2470.007135575943
+resolution: 640,2160, ngpus: 4, gpu_time: 5.701ms, cpu_time: 12.115385s -> speedup 2125.1333099456238
+resolution: 800,480, ngpus: 1, gpu_time: 2.005ms, cpu_time: 11.583709s -> speedup 5777.410972568579
+resolution: 800,480, ngpus: 2, gpu_time: 2.383ms, cpu_time: 11.583709s -> speedup 4860.97733948804
+resolution: 800,480, ngpus: 4, gpu_time: 1.978ms, cpu_time: 11.583709s -> speedup 5856.27350859454
+resolution: 800,600, ngpus: 1, gpu_time: 2.450ms, cpu_time: 11.500485s -> speedup 4694.07551020408
+resolution: 800,600, ngpus: 2, gpu_time: 2.399ms, cpu_time: 11.500485s -> speedup 4793.866194247603
+resolution: 800,600, ngpus: 4, gpu_time: 2.422ms, cpu_time: 11.500485s -> speedup 4748.342279108175
+resolution: 800,900, ngpus: 1, gpu_time: 3.512ms, cpu_time: 10.727533s -> speedup 3054.536731207289
+resolution: 800,900, ngpus: 2, gpu_time: 3.510ms, cpu_time: 10.727533s -> speedup 3056.277207977208
+resolution: 800,900, ngpus: 4, gpu_time: 3.500ms, cpu_time: 10.727533s -> speedup 3065.009428571428
+resolution: 800,1080, ngpus: 1, gpu_time: 3.453ms, cpu_time: 10.642499s -> speedup 3082.1022299449755
+resolution: 800,1080, ngpus: 2, gpu_time: 3.357ms, cpu_time: 10.642499s -> speedup 3170.2409889782543
+resolution: 800,1080, ngpus: 4, gpu_time: 4.108ms, cpu_time: 10.642499s -> speedup 2590.676484907498
+resolution: 800,2160, ngpus: 1, gpu_time: 6.405ms, cpu_time: 10.547187s -> speedup 1646.7114754098359
+resolution: 800,2160, ngpus: 2, gpu_time: 6.410ms, cpu_time: 10.547187s -> speedup 1645.426989079563
+resolution: 800,2160, ngpus: 4, gpu_time: 6.425ms, cpu_time: 10.547187s -> speedup 1641.5855252918286
+resolution: 1600,480, ngpus: 1, gpu_time: 2.932ms, cpu_time: 11.243271s -> speedup 3834.676330150068
+resolution: 1600,480, ngpus: 2, gpu_time: 2.894ms, cpu_time: 11.243271s -> speedup 3885.0279889426397
+resolution: 1600,480, ngpus: 4, gpu_time: 3.655ms, cpu_time: 11.243271s -> speedup 3076.134336525308
+resolution: 1600,600, ngpus: 1, gpu_time: 3.816ms, cpu_time: 11.046463s -> speedup 2894.7754192872117
+resolution: 1600,600, ngpus: 2, gpu_time: 4.511ms, cpu_time: 11.046463s -> speedup 2448.7836399911325
+resolution: 1600,600, ngpus: 4, gpu_time: 3.714ms, cpu_time: 11.046463s -> speedup 2974.276521270867
+resolution: 1600,900, ngpus: 1, gpu_time: 5.884ms, cpu_time: 10.917261s -> speedup 1855.4148538409245
+resolution: 1600,900, ngpus: 2, gpu_time: 5.070ms, cpu_time: 10.917261s -> speedup 2153.3059171597633
+resolution: 1600,900, ngpus: 4, gpu_time: 5.041ms, cpu_time: 10.917261s -> speedup 2165.6935131918267
+resolution: 1600,1080, ngpus: 1, gpu_time: 5.619ms, cpu_time: 11.436832s -> speedup 2035.3856558106427
+resolution: 1600,1080, ngpus: 2, gpu_time: 6.326ms, cpu_time: 11.436832s -> speedup 1807.9089472020235
+resolution: 1600,1080, ngpus: 4, gpu_time: 6.321ms, cpu_time: 11.436832s -> speedup 1809.33902863471
+resolution: 1600,2160, ngpus: 1, gpu_time: 10.906ms, cpu_time: 10.779845s -> speedup 988.43251421236
+resolution: 1600,2160, ngpus: 2, gpu_time: 10.772ms, cpu_time: 10.779845s -> speedup 1000.7282770144819
+resolution: 1600,2160, ngpus: 4, gpu_time: 10.741ms, cpu_time: 10.779845s -> speedup 1003.6165161530585
+resolution: 1920,480, ngpus: 1, gpu_time: 4.361ms, cpu_time: 11.150000s -> speedup 2556.75303829397
+resolution: 1920,480, ngpus: 2, gpu_time: 3.556ms, cpu_time: 11.150000s -> speedup 3135.5455568053994
+resolution: 1920,480, ngpus: 4, gpu_time: 3.559ms, cpu_time: 11.150000s -> speedup 3132.9025007024447
+resolution: 1920,600, ngpus: 1, gpu_time: 4.599ms, cpu_time: 11.943074s -> speedup 2596.884974994564
+resolution: 1920,600, ngpus: 2, gpu_time: 4.667ms, cpu_time: 11.943074s -> speedup 2559.0473537604453
+resolution: 1920,600, ngpus: 4, gpu_time: 4.607ms, cpu_time: 11.943074s -> speedup 2592.375515519861
+resolution: 1920,900, ngpus: 1, gpu_time: 5.625ms, cpu_time: 10.943963s -> speedup 1945.5934222222222
+resolution: 1920,900, ngpus: 2, gpu_time: 5.696ms, cpu_time: 10.943963s -> speedup 1921.341818820225
+resolution: 1920,900, ngpus: 4, gpu_time: 6.249ms, cpu_time: 10.943963s -> speedup 1751.314290286446
+resolution: 1920,1080, ngpus: 1, gpu_time: 7.881ms, cpu_time: 11.079364s -> speedup 1405.8322547900011
+resolution: 1920,1080, ngpus: 2, gpu_time: 6.993ms, cpu_time: 11.079364s -> speedup 1584.3506363506363
+resolution: 1920,1080, ngpus: 4, gpu_time: 7.749ms, cpu_time: 11.079364s -> speedup 1429.7798425603305
+resolution: 1920,2160, ngpus: 1, gpu_time: 13.916ms, cpu_time: 10.651142s -> speedup 765.3881862604197
+resolution: 1920,2160, ngpus: 2, gpu_time: 12.911ms, cpu_time: 10.651142s -> speedup 824.9664627062195
+resolution: 1920,2160, ngpus: 4, gpu_time: 12.922ms, cpu_time: 10.651142s -> speedup 824.2642005881441
+resolution: 3840,480, ngpus: 1, gpu_time: 6.109ms, cpu_time: 10.953693s -> speedup 1793.0419053854969
+resolution: 3840,480, ngpus: 2, gpu_time: 6.029ms, cpu_time: 10.953693s -> speedup 1816.8341350140986
+resolution: 3840,480, ngpus: 4, gpu_time: 6.752ms, cpu_time: 10.953693s -> speedup 1622.28865521327
+resolution: 3840,600, ngpus: 1, gpu_time: 8.130ms, cpu_time: 10.953526s -> speedup 1347.2971709717096
+resolution: 3840,600, ngpus: 2, gpu_time: 7.990ms, cpu_time: 10.953526s -> speedup 1370.9043804755945
+resolution: 3840,600, ngpus: 4, gpu_time: 8.000ms, cpu_time: 10.953526s -> speedup 1369.19075
+resolution: 3840,900, ngpus: 1, gpu_time: 10.816ms, cpu_time: 11.594220s -> speedup 1071.9508136094673
+resolution: 3840,900, ngpus: 2, gpu_time: 11.445ms, cpu_time: 11.594220s -> speedup 1013.038007863696
+resolution: 3840,900, ngpus: 4, gpu_time: 10.671ms, cpu_time: 11.594220s -> speedup 1086.5167275794208
+resolution: 3840,1080, ngpus: 1, gpu_time: 13.010ms, cpu_time: 11.026291s -> speedup 847.5242890084552
+resolution: 3840,1080, ngpus: 2, gpu_time: 13.600ms, cpu_time: 11.026291s -> speedup 810.7566911764707
+resolution: 3840,1080, ngpus: 4, gpu_time: 13.223ms, cpu_time: 11.026291s -> speedup 833.8721167662407
+resolution: 3840,2160, ngpus: 1, gpu_time: 24.669ms, cpu_time: 11.050334s -> speedup 447.9441404191495
+resolution: 3840,2160, ngpus: 2, gpu_time: 24.373ms, cpu_time: 11.050334s -> speedup 453.38423665531525
+resolution: 3840,2160, ngpus: 4, gpu_time: 24.410ms, cpu_time: 11.050334s -> speedup 452.69700942236784
+*/
diff --git a/dn8/get_speedups.py b/dn8/get_speedups.py
new file mode 100644
index 0000000..40a5618
--- /dev/null
+++ b/dn8/get_speedups.py
@@ -0,0 +1,35 @@
+
+
+def main():
+    # Read csv file
+    gpu_results = []
+    with open('./results_gpu.csv', 'r') as f:
+        lines = f.readlines()
+        # Split lines into list of lists and strip whitespace
+        lines = [line.strip().split(',') for line in lines]
+        # Remove header
+        lines = lines[1:]
+        gpu_results = lines
+    
+    cpu_results = []
+    with open('./results_cpu.csv', 'r') as f:
+        lines = f.readlines()
+        # Split lines into list of lists and strip whitespace
+        lines = [line.strip().split(',') for line in lines]
+        # Remove header
+        lines = lines[1:]
+        cpu_results = lines
+
+    for i in range(len(gpu_results)):
+        for j in range(len(cpu_results)):
+            if gpu_results[i][0] == cpu_results[j][0] and gpu_results[i][1] == cpu_results[j][1]:
+                gpu_time = float(gpu_results[i][3]) # in milliseconds
+                cpu_time = float(cpu_results[j][2])# in seconds
+                speedup = cpu_time / (gpu_time / 1000)
+                print(f'resolution: {gpu_results[i][0]},{gpu_results[i][1]}, ngpus: {gpu_results[i][2]}, gpu_time: {gpu_results[i][3]}ms, cpu_time: {cpu_results[j][2]}s -> speedup {speedup}')
+
+
+
+
+if __name__ == '__main__':
+    main()
diff --git a/dn8/mandelbrot.c b/dn8/mandelbrot.c
index 137a8b1..a201bb9 100644
--- a/dn8/mandelbrot.c
+++ b/dn8/mandelbrot.c
@@ -4,6 +4,7 @@
 
 #define STB_IMAGE_WRITE_IMPLEMENTATION
 #include "stb_image_write.h"
+#include <sys/time.h>
 
 void mandelbrotCPU(unsigned char *image, int height, int width) {
 	float x0, y0, x, y, xtemp;
@@ -50,11 +51,16 @@ int main(void)
 	int height = 3840;
 	int width = 2160;
 	int cpp=4; //stevilo barvnih kanalov na piksel
+    struct timeval  tv1, tv2;
 
 	//rezerviramo prostor za sliko (RGBA)
 	unsigned char *image = (unsigned char *)malloc(height * width * sizeof(unsigned char) * cpp);
-
+    
+    gettimeofday(&tv1, NULL);
 	mandelbrotCPU(image, height, width);
+    gettimeofday(&tv2, NULL);
+    printf ("CPU: %f seconds\n", (double) (tv2.tv_usec - tv1.tv_usec) / 1000000 +
+         (double) (tv2.tv_sec - tv1.tv_sec));
 	//shranimo sliko
 	stbi_write_png("mandelbrot.png", width, height, cpp, image, width * cpp);
 
diff --git a/dn8/mandelbrot.png b/dn8/mandelbrot.png
new file mode 100644
index 0000000..38de8dc
Binary files /dev/null and b/dn8/mandelbrot.png differ
diff --git a/dn8/results_cpu.csv b/dn8/results_cpu.csv
new file mode 100644
index 0000000..594c391
--- /dev/null
+++ b/dn8/results_cpu.csv
@@ -0,0 +1,26 @@
+width,height,seconds
+640,480,10.122344
+640,600,10.124772
+640,900,10.504951
+640,1080,11.015781
+640,2160,12.115385
+800,480,11.583709
+800,600,11.500485
+800,900,10.727533
+800,1080,10.642499
+800,2160,10.547187
+1600,480,11.243271
+1600,600,11.046463
+1600,900,10.917261
+1600,1080,11.436832
+1600,2160,10.779845
+1920,480,11.150000
+1920,600,11.943074
+1920,900,10.943963
+1920,1080,11.079364
+1920,2160,10.651142
+3840,480,10.953693
+3840,600,10.953526
+3840,900,11.594220
+3840,1080,11.026291
+3840,2160,11.050334
diff --git a/dn8/results_gpu.csv b/dn8/results_gpu.csv
new file mode 100644
index 0000000..eff0457
--- /dev/null
+++ b/dn8/results_gpu.csv
@@ -0,0 +1,76 @@
+width,height,ngpus,milliseconds
+640,480,1,1.664
+640,480,2,1.668
+640,480,4,1.676
+640,600,1,2.036
+640,600,2,2.051
+640,600,4,2.009
+640,900,1,2.132
+640,900,2,2.908
+640,900,4,2.882
+640,1080,1,2.639
+640,1080,2,3.366
+640,1080,4,3.372
+640,2160,1,4.996
+640,2160,2,4.905
+640,2160,4,5.701
+800,480,1,2.005
+800,480,2,2.383
+800,480,4,1.978
+800,600,1,2.450
+800,600,2,2.399
+800,600,4,2.422
+800,900,1,3.512
+800,900,2,3.510
+800,900,4,3.500
+800,1080,1,3.453
+800,1080,2,3.357
+800,1080,4,4.108
+800,2160,1,6.405
+800,2160,2,6.410
+800,2160,4,6.425
+1600,480,1,2.932
+1600,480,2,2.894
+1600,480,4,3.655
+1600,600,1,3.816
+1600,600,2,4.511
+1600,600,4,3.714
+1600,900,1,5.884
+1600,900,2,5.070
+1600,900,4,5.041
+1600,1080,1,5.619
+1600,1080,2,6.326
+1600,1080,4,6.321
+1600,2160,1,10.906
+1600,2160,2,10.772
+1600,2160,4,10.741
+1920,480,1,4.361
+1920,480,2,3.556
+1920,480,4,3.559
+1920,600,1,4.599
+1920,600,2,4.667
+1920,600,4,4.607
+1920,900,1,5.625
+1920,900,2,5.696
+1920,900,4,6.249
+1920,1080,1,7.881
+1920,1080,2,6.993
+1920,1080,4,7.749
+1920,2160,1,13.916
+1920,2160,2,12.911
+1920,2160,4,12.922
+3840,480,1,6.109
+3840,480,2,6.029
+3840,480,4,6.752
+3840,600,1,8.130
+3840,600,2,7.990
+3840,600,4,8.000
+3840,900,1,10.816
+3840,900,2,11.445
+3840,900,4,10.671
+3840,1080,1,13.010
+3840,1080,2,13.600
+3840,1080,4,13.223
+3840,2160,1,24.669
+3840,2160,2,24.373
+3840,2160,4,24.410
diff --git a/dn8/test.sh b/dn8/test.sh
index 9adeb6d..60a7b3a 100755
--- a/dn8/test.sh
+++ b/dn8/test.sh
@@ -4,18 +4,31 @@
 WIDTHS=( 640 800 1600 1920 3840 )
 HEIGHTS=( 480 600 900 1080 2160 )
 GPUS=(1 2 4)
+# Boolean variable
+TEST_GPU=true
+
+# Generate CSV
+if [ "$TEST_GPU" = true ];  then
+    echo "width,height,ngpus,milliseconds" > results_gpu.csv
+else 
+    echo "width,height,seconds" > results_cpu.csv
+fi
 
-# loop through WIDTHS
 for WIDTH in "${WIDTHS[@]}"
 do
-    # loop through HEIGHTS
     for HEIGHT in "${HEIGHTS[@]}"
     do
         # loop through GPUS
-        for GPU in "${GPUS[@]}"
-        do
-            ret=$(make run_remote ntasks=1 ngpus=$GPU width=$WIDTH height=$HEIGHT  | grep time  | awk '{print $7}')
-            echo "Finished $WIDTH x $HEIGHT with $GPU GPUs --> time: $ret milliseconds"
-        done
+        if [ "$TEST_GPU" = true ]; then
+            for GPU in "${GPUS[@]}"
+            do
+                ret=$(make run_remote ntasks=1 ngpus=$GPU width=$WIDTH height=$HEIGHT  | grep time  | awk '{print $7}')
+                echo "$WIDTH,$HEIGHT,$GPU,$ret" >> results_gpu.csv
+            done
+        else
+            # run on CPU
+            ret=$( make run_local width=$WIDTH height=$HEIGHT | grep second | awk '{print $2}')
+            echo "$WIDTH,$HEIGHT,$ret" >> results_cpu.csv
+        fi
     done
 done