-#500000 sparse full
-#nb threads times nb iter times nb iter
-1024 523 27 545
-512 449.426 24
-256 440.805 24
-128 456.175 22
-64 472.862 23
-32 830.152 24
-8 2632.78 23
+#500000 sparse full #50000 sparse full
+#nb threads times nb iter times nb iter times nb iter times nb iter
+1024 523 27 1407.24 29 4.28372 18 8.61 16
+512 449.426 24 1459.35 31 4.28551 18 9.27 19
+256 440.805 24 754.24 27 4.13975 18 7.73 15
+128 456.175 22 718.623 27 4.15309 18 8.64 21
+64 472.862 23 715.554 27 3.92233 17 7.84 16
+32 830.152 24 1089.61 27 6.70821 21 11.33 18
+16 1234 24 1746.53 22 12.3981 21 20.47 21
+8 2632.78 23 3112 20 23.813 21 35.07 26