GPU L49: Warp Voting

00:04:43.512,00:04:46.512 Shubham Mohan Randive cs20m064: 3 00:04:45.544,00:04:48.544 Aditya Agrawal CS20S026: 4? 00:04:48.429,00:04:51.429 Nibedita Behera CS20S023: 4 00:04:49.061,00:04:52.061 Arihant Samar cs18b052: 4 00:05:29.109,00:05:32.109 Sheth Dev Yashpal cs17b106: video paused? 00:07:14.086,00:07:17.086 Aditya Agrawal CS20S026: all 1s 00:07:18.773,00:07:21.773 Arihant Samar cs18b052: 4 ones 00:07:23.425,00:07:26.425 Ramireddy Prahladha Reddy cs18b042: 1 1 1 1 00:08:46.115,00:08:49.115 Arihant Samar cs18b052: 0xffffffff 00:09:34.864,00:09:37.864 Aditya Agrawal CS20S026: for last warp, it should be 0xf000000? 00:10:58.170,00:11:01.170 Aditya Agrawal CS20S026: the reverse 00:11:39.310,00:11:42.310 Aditya Agrawal CS20S026: 0xAAAAAAAA? 00:16:24.313,00:16:27.313 Aditya Agrawal CS20S026: Can we use the ballot as mask? 00:17:28.304,00:17:31.304 Aditya Agrawal CS20S026: Yes sir, clear 00:21:24.575,00:21:27.575 Aditya Agrawal CS20S026: 100 00:21:32.351,00:21:35.351 Sheth Dev Yashpal cs17b106: 32 32 32 4 00:21:49.467,00:21:52.467 Betapudi Sai Chaitanya cs18b053: 32 32 32 4 00:22:03.121,00:22:06.121 Aditya Agrawal CS20S026: yes 00:24:51.795,00:24:54.795 Betapudi Sai Chaitanya cs18b053: unsigned val = _ballot(condition); if(threadIdx.x%32 == 0) atomicAdd(&counter__popc(val)); 00:25:55.556,00:25:58.556 Arihant Samar cs18b052: should it not be __popc (mask) * N? 00:27:08.538,00:27:11.538 Arihant Samar cs18b052: oh sorry I mistook it for atomicAdd 00:29:35.897,00:29:38.897 Sheth Dev Yashpal cs17b106: condition will be a[threadIdx.x] == 0 && threadIdx.x % 3 == 0 00:31:15.932,00:31:18.932 Kshitij Bipin Deogade cs17b104: threadIdx.x ] len(a) 00:31:49.899,00:31:52.899 Betapudi Sai Chaitanya cs18b053: 3rd thread of every warp has a[threadIdx.x]==0 00:31:51.260,00:31:54.260 Sheth Dev Yashpal cs17b106: thrice the memory access then what we requrire 00:32:18.664,00:32:21.664 Naga Aneesh Mylavarapu cs17b114: threadIdx.x%3!=0 or a[threadIdx.x]==0 00:36:57.929,00:37:00.929 Aditya Agrawal CS20S026: 16 for first three? 00:39:31.809,00:39:34.809 Kshitij Bipin Deogade cs17b104: popc()==32 00:39:37.589,00:39:40.589 Nibedita Behera CS20S023: __ballot followed by checking if mask is 32. 00:53:01.899,00:53:04.899 Arihant Samar cs18b052: Thank You Sir! 00:53:02.498,00:53:05.498 Mr Rahul Mastram Verma CS20S038: Thanks you sir 00:53:07.925,00:53:10.925 Amit Saxena cs20m011: thanku sir 00:53:09.315,00:53:12.315 Divya Patidar cs20m020: Thank you sir 00:53:09.446,00:53:12.446 P Sai Venkat Kushal ee17b141: thank you sir 00:53:10.408,00:53:13.408 Mohammed Shan P S cs20m039: Thank you 00:53:10.513,00:53:13.513 Nibedita Behera CS20S023: Thank you, Sir. 00:53:12.167,00:53:15.167 Harshit Kedia cs17b103: thank you dir 00:53:12.269,00:53:15.269 Akiti Gunavardhan Reddy ch18b035: Thank you sir 00:53:12.801,00:53:15.801 Bolloju Sai Nitish Kumar cs20m018: Thank you sir 00:53:13.300,00:53:16.300 Purandare Chinmay Prashant ee17b062: Thank you sir 00:53:15.715,00:53:18.715 Manas Khan cs20m035: Thank you sir 00:53:15.868,00:53:18.868 Shreyas Jain cs20m063: Thank you sir!! 00:53:16.885,00:53:19.885 Sheth Dev Yashpal cs17b106: Thank You Sir 00:53:20.128,00:53:23.128 Nistala Krishna Vamsi ee20s025: thank you sir 00:53:20.179,00:53:23.179 Naga Aneesh Mylavarapu cs17b114: thank you sir 00:53:20.477,00:53:23.477 Betapudi Sai Chaitanya cs18b053: thank you sir 00:53:25.546,00:53:28.546 Ritvik Rishi cs18b057: Thank you sir 00:53:26.985,00:53:29.985 Kota Lalithaditya cs17b014: Thank You Sir 00:53:29.769,00:53:32.769 Rigved Sah cs20m053: Thank you Sir! 00:53:30.446,00:53:33.446 Ebenezer Rajadurai T CS20D012: Thank you sir. 00:53:30.894,00:53:33.894 Jeswant Krishna ae17b030: Thank you sir 00:53:31.060,00:53:34.060 Vignesh S me17b078: Thank you sir for the course 00:53:32.636,00:53:35.636 Abdul Mooizz cs17b034: Thank you sir 00:53:38.486,00:53:41.486 Shibobrota Das cs20m059: Thank you prof! 00:53:43.001,00:53:46.001 SANTHOSH KUMAR S cs19m056: Thank you sir! 00:54:36.507,00:54:39.507 NIRANJAN KAMATH ph16b006: Thank you sir 00:54:59.305,00:55:02.305 Sheth Dev Yashpal cs17b106: Sir lost connection again?