diff --git a/stats/s4/s4_runtime_loceye.txt b/stats/s4/s4_runtime_loceye.txt
new file mode 100644
index 0000000..1b84ac5
--- /dev/null
+++ b/stats/s4/s4_runtime_loceye.txt
@@ -0,0 +1,194 @@
+Device chosen is "GeForce GTX 1070"
+Device has 15 multi processors and compute capability 6.1
+Max threads per block supported are 1024
+
+Reading dataset and labels...
+Done.
+
+Device memory allocation wall clock time = 0.097832
+
+calculate_kernel_matrix_kernel called with:
+dimBlock.x = 32, dimBlock.y = 32
+dimGrid.x = 157, dimGrid.y = 157
+
+calculate_denominator called with:
+dimBlock.x = 1024, dimBlock.y = 1
+dimGrid.x = 5, dimGrid.y = 1
+
+shift_points_kernel called with:
+dimBlock.x = 512, dimBlock.y = 2
+dimGrid.x = 10, dimGrid.y = 1
+
+Recursion n. 0, error	927692.420199 
+Recursion n. 1, error	726832.071041 
+Recursion n. 2, error	581943.008045 
+Recursion n. 3, error	477910.173261 
+Recursion n. 4, error	396205.409103 
+Recursion n. 5, error	335504.131558 
+Recursion n. 6, error	293282.465763 
+Recursion n. 7, error	255931.074369 
+Recursion n. 8, error	217176.502908 
+Recursion n. 9, error	184225.597806 
+Recursion n. 10, error	156900.657670 
+Recursion n. 11, error	139244.876747 
+Recursion n. 12, error	123863.788594 
+Recursion n. 13, error	110606.661038 
+Recursion n. 14, error	97241.407806 
+Recursion n. 15, error	85097.097975 
+Recursion n. 16, error	72834.204110 
+Recursion n. 17, error	61189.351790 
+Recursion n. 18, error	57114.776420 
+Recursion n. 19, error	52113.903356 
+Recursion n. 20, error	46683.503554 
+Recursion n. 21, error	45627.257398 
+Recursion n. 22, error	45462.962391 
+Recursion n. 23, error	43617.801926 
+Recursion n. 24, error	40957.621436 
+Recursion n. 25, error	39169.454275 
+Recursion n. 26, error	36642.554737 
+Recursion n. 27, error	33234.170852 
+Recursion n. 28, error	31251.037548 
+Recursion n. 29, error	30550.469179 
+Recursion n. 30, error	30200.632861 
+Recursion n. 31, error	30105.126757 
+Recursion n. 32, error	29497.004654 
+Recursion n. 33, error	26733.326716 
+Recursion n. 34, error	21718.883294 
+Recursion n. 35, error	16688.390032 
+Recursion n. 36, error	13392.435100 
+Recursion n. 37, error	12081.463254 
+Recursion n. 38, error	12013.260151 
+Recursion n. 39, error	12125.640867 
+Recursion n. 40, error	11979.901812 
+Recursion n. 41, error	11861.625809 
+Recursion n. 42, error	12699.745511 
+Recursion n. 43, error	15836.123874 
+Recursion n. 44, error	21830.150525 
+Recursion n. 45, error	25973.448245 
+Recursion n. 46, error	23114.136003 
+Recursion n. 47, error	19656.849824 
+Recursion n. 48, error	16376.259816 
+Recursion n. 49, error	12821.108251 
+Recursion n. 50, error	10245.687625 
+Recursion n. 51, error	9512.017920 
+Recursion n. 52, error	10503.986327 
+Recursion n. 53, error	12893.633245 
+Recursion n. 54, error	16395.473470 
+Recursion n. 55, error	19662.055425 
+Recursion n. 56, error	19394.169985 
+Recursion n. 57, error	14735.790724 
+Recursion n. 58, error	9736.876327 
+Recursion n. 59, error	6673.528841 
+Recursion n. 60, error	5378.600020 
+Recursion n. 61, error	5284.264364 
+Recursion n. 62, error	5872.926699 
+Recursion n. 63, error	6832.238864 
+Recursion n. 64, error	7984.739309 
+Recursion n. 65, error	9126.007027 
+Recursion n. 66, error	9953.932568 
+Recursion n. 67, error	10204.319105 
+Recursion n. 68, error	9864.246602 
+Recursion n. 69, error	9020.797079 
+Recursion n. 70, error	7649.327959 
+Recursion n. 71, error	5901.336946 
+Recursion n. 72, error	4179.350770 
+Recursion n. 73, error	2789.661686 
+Recursion n. 74, error	1798.661942 
+Recursion n. 75, error	1138.260267 
+Recursion n. 76, error	713.324040 
+Recursion n. 77, error	444.743371 
+Recursion n. 78, error	276.540458 
+Recursion n. 79, error	171.704910 
+Recursion n. 80, error	106.530024 
+Recursion n. 81, error	66.066664 
+Recursion n. 82, error	40.963588 
+Recursion n. 83, error	25.395950 
+Recursion n. 84, error	15.743686 
+Recursion n. 85, error	9.759711 
+Recursion n. 86, error	6.050105 
+Recursion n. 87, error	3.750486 
+Recursion n. 88, error	2.324944 
+Recursion n. 89, error	1.441247 
+Recursion n. 90, error	0.893441 
+Recursion n. 91, error	0.553852 
+Recursion n. 92, error	0.343339 
+Recursion n. 93, error	0.212840 
+Recursion n. 94, error	0.131942 
+Recursion n. 95, error	0.081793 
+Recursion n. 96, error	0.050705 
+Recursion n. 97, error	0.031433 
+Recursion n. 98, error	0.019487 
+Recursion n. 99, error	0.012081 
+Recursion n. 100, error	0.007490 
+Recursion n. 101, error	0.004645 
+Recursion n. 102, error	0.002881 
+Recursion n. 103, error	0.001788 
+Recursion n. 104, error	0.001110 
+Recursion n. 105, error	0.000691 
+Recursion n. 106, error	0.000431 
+Recursion n. 107, error	0.000271 
+Recursion n. 108, error	0.000172 
+Recursion n. 109, error	0.000112 
+Recursion n. 110, error	0.000075 
+
+Copying between device and host wall clock time = 4.530233
+
+Total number of recursions = 110
+Mean Shift wall clock time = 7.757764
+Device chosen is "GeForce GTX 1070"
+Device has 15 multi processors and compute capability 6.1
+Max threads per block supported are 1024
+
+Reading dataset and labels...
+Done.
+
+Device memory allocation wall clock time = 0.101830
+
+calculate_kernel_matrix_kernel called with:
+dimBlock.x = 32, dimBlock.y = 32
+dimGrid.x = 157, dimGrid.y = 157
+
+calculate_denominator called with:
+dimBlock.x = 1024, dimBlock.y = 1
+dimGrid.x = 5, dimGrid.y = 1
+
+shift_points_kernel called with:
+dimBlock.x = 512, dimBlock.y = 2
+dimGrid.x = 10, dimGrid.y = 1
+
+Recursion n. 0, error	1433009.094419 
+Recursion n. 1, error	846076.669706 
+Recursion n. 2, error	457323.896842 
+Recursion n. 3, error	232981.679496 
+Recursion n. 4, error	129695.421325 
+Recursion n. 5, error	73386.379913 
+Recursion n. 6, error	42859.404834 
+Recursion n. 7, error	34613.230704 
+Recursion n. 8, error	31166.226384 
+Recursion n. 9, error	25075.599825 
+Recursion n. 10, error	14788.867230 
+Recursion n. 11, error	6526.169908 
+Recursion n. 12, error	2538.871384 
+Recursion n. 13, error	953.135636 
+Recursion n. 14, error	354.381780 
+Recursion n. 15, error	131.434483 
+Recursion n. 16, error	48.740960 
+Recursion n. 17, error	18.090348 
+Recursion n. 18, error	6.723606 
+Recursion n. 19, error	2.503479 
+Recursion n. 20, error	0.934231 
+Recursion n. 21, error	0.349569 
+Recursion n. 22, error	0.131220 
+Recursion n. 23, error	0.049442 
+Recursion n. 24, error	0.018711 
+Recursion n. 25, error	0.007116 
+Recursion n. 26, error	0.002722 
+Recursion n. 27, error	0.001047 
+Recursion n. 28, error	0.000406 
+Recursion n. 29, error	0.000158 
+Recursion n. 30, error	0.000062 
+
+Copying between device and host wall clock time = 1.286918
+
+Total number of recursions = 30
+Mean Shift wall clock time = 2.363209
diff --git a/stats/s4/s4_runtime_loceye_serial.txt b/stats/s4/s4_runtime_loceye_serial.txt
new file mode 100644
index 0000000..27e1509
--- /dev/null
+++ b/stats/s4/s4_runtime_loceye_serial.txt
@@ -0,0 +1,131 @@
+Iteration n. 0, error 900725.214707 
+Iteration n. 1, error 711240.249913 
+Iteration n. 2, error 572364.562445 
+Iteration n. 3, error 472414.550249 
+Iteration n. 4, error 391267.517200 
+Iteration n. 5, error 329290.004875 
+Iteration n. 6, error 283810.031420 
+Iteration n. 7, error 250529.098667 
+Iteration n. 8, error 219842.868199 
+Iteration n. 9, error 188154.106405 
+Iteration n. 10, error 164642.483534 
+Iteration n. 11, error 148533.171361 
+Iteration n. 12, error 134252.690689 
+Iteration n. 13, error 119338.958288 
+Iteration n. 14, error 104756.200878 
+Iteration n. 15, error 90709.382266 
+Iteration n. 16, error 81069.664373 
+Iteration n. 17, error 70968.599390 
+Iteration n. 18, error 60656.836465 
+Iteration n. 19, error 52460.966775 
+Iteration n. 20, error 45983.000348 
+Iteration n. 21, error 42992.393727 
+Iteration n. 22, error 40717.963103 
+Iteration n. 23, error 38174.207978 
+Iteration n. 24, error 36772.370608 
+Iteration n. 25, error 37072.563890 
+Iteration n. 26, error 37664.840852 
+Iteration n. 27, error 34789.973611 
+Iteration n. 28, error 32166.214159 
+Iteration n. 29, error 32054.774268 
+Iteration n. 30, error 27717.389825 
+Iteration n. 31, error 24851.091967 
+Iteration n. 32, error 24807.848863 
+Iteration n. 33, error 25528.369785 
+Iteration n. 34, error 26383.576670 
+Iteration n. 35, error 26326.276075 
+Iteration n. 36, error 24556.136673 
+Iteration n. 37, error 22140.508053 
+Iteration n. 38, error 20033.050640 
+Iteration n. 39, error 18709.463370 
+Iteration n. 40, error 18639.682420 
+Iteration n. 41, error 18656.780620 
+Iteration n. 42, error 17638.228140 
+Iteration n. 43, error 16412.753573 
+Iteration n. 44, error 16080.363424 
+Iteration n. 45, error 16290.286526 
+Iteration n. 46, error 16274.663907 
+Iteration n. 47, error 16177.503199 
+Iteration n. 48, error 16532.468594 
+Iteration n. 49, error 17014.170134 
+Iteration n. 50, error 16899.170513 
+Iteration n. 51, error 16248.746708 
+Iteration n. 52, error 15377.334577 
+Iteration n. 53, error 13973.506596 
+Iteration n. 54, error 12074.498214 
+Iteration n. 55, error 11010.710037 
+Iteration n. 56, error 11572.925918 
+Iteration n. 57, error 12299.881789 
+Iteration n. 58, error 12025.032571 
+Iteration n. 59, error 11390.321461 
+Iteration n. 60, error 11187.761516 
+Iteration n. 61, error 11600.801706 
+Iteration n. 62, error 12527.393424 
+Iteration n. 63, error 13691.623696 
+Iteration n. 64, error 14579.529807 
+Iteration n. 65, error 14515.733207 
+Iteration n. 66, error 13004.099425 
+Iteration n. 67, error 10149.735485 
+Iteration n. 68, error 6863.196535 
+Iteration n. 69, error 4192.067925 
+Iteration n. 70, error 2499.299534 
+Iteration n. 71, error 1631.816146 
+Iteration n. 72, error 1324.621884 
+Iteration n. 73, error 1323.129986 
+Iteration n. 74, error 1457.545735 
+Iteration n. 75, error 1660.553452 
+Iteration n. 76, error 1915.630274 
+Iteration n. 77, error 2222.334136 
+Iteration n. 78, error 2582.723116 
+Iteration n. 79, error 2994.774828 
+Iteration n. 80, error 3447.117721 
+Iteration n. 81, error 3915.073406 
+Iteration n. 82, error 4361.912331 
+Iteration n. 83, error 4750.819148 
+Iteration n. 84, error 5067.894125 
+Iteration n. 85, error 5344.808554 
+Iteration n. 86, error 5665.620391 
+Iteration n. 87, error 6157.168664 
+Iteration n. 88, error 6979.549508 
+Iteration n. 89, error 8327.271663 
+Iteration n. 90, error 10407.541823 
+Iteration n. 91, error 13233.717057 
+Iteration n. 92, error 15939.034640 
+Iteration n. 93, error 16414.969366 
+Iteration n. 94, error 13866.130243 
+Iteration n. 95, error 10111.764624 
+Iteration n. 96, error 6629.532768 
+Iteration n. 97, error 4016.629625 
+Iteration n. 98, error 2324.253993 
+Iteration n. 99, error 1315.360073 
+Iteration n. 100, error 737.112514 
+Iteration n. 101, error 411.424409 
+Iteration n. 102, error 229.348651 
+Iteration n. 103, error 127.852237 
+Iteration n. 104, error 71.315704 
+Iteration n. 105, error 39.814292 
+Iteration n. 106, error 22.248880 
+Iteration n. 107, error 12.444960 
+Iteration n. 108, error 6.967507 
+Iteration n. 109, error 3.904213 
+Iteration n. 110, error 2.189438 
+Iteration n. 111, error 1.228698 
+Iteration n. 112, error 0.689989 
+Iteration n. 113, error 0.387701 
+Iteration n. 114, error 0.217964 
+Iteration n. 115, error 0.122599 
+Iteration n. 116, error 0.068988 
+Iteration n. 117, error 0.038837 
+Iteration n. 118, error 0.021871 
+Iteration n. 119, error 0.012320 
+Iteration n. 120, error 0.006942 
+Iteration n. 121, error 0.003913 
+Iteration n. 122, error 0.002206 
+Iteration n. 123, error 0.001244 
+Iteration n. 124, error 0.000702 
+Iteration n. 125, error 0.000396 
+Iteration n. 126, error 0.000223 
+Iteration n. 127, error 0.000126 
+Iteration n. 128, error 0.000071 
+Total iterations = 128
+Mean Shift wall clock time = 89.742256
diff --git a/stats/s4/s4_runtime_loceye_shared.txt b/stats/s4/s4_runtime_loceye_shared.txt
new file mode 100644
index 0000000..30a00e9
--- /dev/null
+++ b/stats/s4/s4_runtime_loceye_shared.txt
@@ -0,0 +1,3 @@
+
+Total number of recursions = 125
+Mean Shift wall clock time = 8.656517
diff --git a/stats/s4/s4_serial_diades_run.txt b/stats/s4/s4_serial_diades_run.txt
new file mode 100644
index 0000000..bc9f9bd
--- /dev/null
+++ b/stats/s4/s4_serial_diades_run.txt
@@ -0,0 +1,118 @@
+dataset,s4
+implem,serial_c_diades
+iter,error
+0,927827.679145
+1,726816.223326
+2,581769.204949
+3,477408.630077
+4,395485.897206
+5,334651.158957
+6,292079.617208
+7,254134.878622
+8,215114.115728
+9,182607.082276
+10,156266.959549
+11,139994.419331
+12,125521.301757
+13,112218.794486
+14,98203.683241
+15,85490.183638
+16,73443.00014
+17,62609.489556
+18,59077.977003
+19,53892.80751
+20,47565.861958
+21,45535.865588
+22,44789.582377
+23,42402.349216
+24,39130.44299
+25,37194.415972
+26,35206.437543
+27,32203.737761
+28,29549.317563
+29,27893.877946
+30,27707.173303
+31,28305.702063
+32,28536.722112
+33,27381.782682
+34,24461.926511
+35,21388.206521
+36,19411.08514
+37,18062.429515
+38,16313.720166
+39,14149.621211
+40,12735.640987
+41,12904.54259
+42,14638.353297
+43,18306.190364
+44,23544.214839
+45,23553.140641
+46,18392.083676
+47,14694.879614
+48,12225.420016
+49,10739.847211
+50,10534.182216
+51,11687.348948
+52,14062.339499
+53,17369.101524
+54,20559.831905
+55,21136.519253
+56,17377.395549
+57,11721.238164
+58,7238.102387
+59,4490.416936
+60,3033.925265
+61,2436.691557
+62,2353.336915
+63,2533.497324
+64,2856.349865
+65,3287.585287
+66,3830.184434
+67,4497.835721
+68,5294.470384
+69,6181.873374
+70,7025.865491
+71,7550.297363
+72,7412.828189
+73,6485.358048
+74,5057.608511
+75,3602.756868
+76,2419.456728
+77,1570.460802
+78,1000.682242
+79,631.345226
+80,396.219332
+81,247.948883
+82,154.922317
+83,96.716125
+84,60.351123
+85,37.650098
+86,23.485083
+87,14.64843
+88,9.136461
+89,5.6985
+90,3.554205
+91,2.216796
+92,1.382645
+93,0.862377
+94,0.537881
+95,0.335487
+96,0.209251
+97,0.130515
+98,0.081405
+99,0.050775
+100,0.03167
+101,0.019754
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+104,0.004794
+105,0.002991
+106,0.001866
+107,0.001165
+108,0.000727
+109,0.000455
+110,0.000285
+111,0.000179
+112,0.000114
+113,0.000073
+total_time,216.425137
diff --git a/stats/s4/s4_serial_local_run.txt b/stats/s4/s4_serial_local_run.txt
new file mode 100644
index 0000000..4c2d9ce
--- /dev/null
+++ b/stats/s4/s4_serial_local_run.txt
@@ -0,0 +1,118 @@
+Dataset,S4
+Implem,Serial_C_LOCAL_RUN
+Iter,Error
+0,927827.679145
+1,726816.223326
+2,581769.204949
+3,477408.630077
+4,395485.897206
+5,334651.158957
+6,292079.617208
+7,254134.878622
+8,215114.115728
+9,182607.082276
+10,156266.959549
+11,139994.419331
+12,125521.301757
+13,112218.794486
+14,98203.683241
+15,85490.183638
+16,73443.00014
+17,62609.489556
+18,59077.977003
+19,53892.80751
+20,47565.861958
+21,45535.865588
+22,44789.582377
+23,42402.349216
+24,39130.44299
+25,37194.415972
+26,35206.437543
+27,32203.737761
+28,29549.317563
+29,27893.877946
+30,27707.173303
+31,28305.702063
+32,28536.722112
+33,27381.782682
+34,24461.926511
+35,21388.206521
+36,19411.08514
+37,18062.429515
+38,16313.720166
+39,14149.621211
+40,12735.640987
+41,12904.54259
+42,14638.353297
+43,18306.190364
+44,23544.214839
+45,23553.140641
+46,18392.083676
+47,14694.879614
+48,12225.420016
+49,10739.847211
+50,10534.182216
+51,11687.348948
+52,14062.339499
+53,17369.101524
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+55,21136.519253
+56,17377.395549
+57,11721.238164
+58,7238.102387
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+63,2533.497324
+64,2856.349865
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+66,3830.184434
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+68,5294.470384
+69,6181.873374
+70,7025.865491
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+72,7412.828189
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+74,5057.608511
+75,3602.756868
+76,2419.456728
+77,1570.460802
+78,1000.682242
+79,631.345226
+80,396.219332
+81,247.948883
+82,154.922317
+83,96.716125
+84,60.351123
+85,37.650098
+86,23.485083
+87,14.64843
+88,9.136461
+89,5.6985
+90,3.554205
+91,2.216796
+92,1.382645
+93,0.862377
+94,0.537881
+95,0.335487
+96,0.209251
+97,0.130515
+98,0.081405
+99,0.050775
+100,0.03167
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+105,0.002991
+106,0.001866
+107,0.001165
+108,0.000727
+109,0.000455
+110,0.000285
+111,0.000179
+112,0.000114
+113,0.000073
+Total_time,327.254941