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21 Commits

Author SHA1 Message Date
Sylvain Jeaugey
9ee6189bf9 Merge pull request #41 from jia-kai/master 
Some minor fixes for compile/usage
 2016-09-15 09:45:52 -07:00
Sylvain Jeaugey
75bad643bd Updated LICENCE.txt 2016-08-26 15:08:20 -07:00
jiakai
47b0797fe1 pass devlist as const int* rather than int* in ncclCommInitAll 2016-08-19 19:00:14 +08:00
Sylvain Jeaugey
428ec5b2a3 Merge remote-tracking branch 'github/master' into public 2016-07-25 10:53:01 -07:00
Nathan Luehr
55c42ad681 Fixed redundant contexts in multi-process apps 
Change-Id: If787014450fd281304f0c7baf01d25963e40905d
 2016-07-25 10:10:30 -07:00
Sylvain Jeaugey
e51e922924 Add a debug level to NCCL and CUDA versions at init 2016-06-16 17:04:41 -07:00
Sylvain Jeaugey
d5e507fc7f Only call the CUDA runtime. That may fix #27. 2016-06-07 16:27:51 -07:00
Sylvain Jeaugey
7edfc57228 Make NCCL collectives work on communicators with only one rank 2016-06-06 14:35:00 -07:00
Sylvain Jeaugey
acb93d1aed Removing unneeded includes 2016-06-02 17:33:43 -07:00
Sylvain Jeaugey
dba3ec9428 Fix random deadlock during ncclCommInitRank. 2016-04-19 10:47:27 -07:00
Nathan Luehr
5554a4c9f0 Fixed useRemoteRecv consistency issue. 
Change-Id: Ib093a8dc3bb093eddc89dad81d3fffa53c03a6a2
Reviewed-on: http://git-master/r/1013543
Reviewed-by: Cliff Woolley <jwoolley@nvidia.com>
Tested-by: Przemek Tredak <ptredak@nvidia.com>
 2016-02-18 13:45:42 -08:00
Nathan Luehr
9442285526 Fixed buffer overflow in ReduceOrCopy 
Bug caused AllGathers and ReduceScatters of less than
8 bytes to fail in certain cases.

Change-Id: I33e1beb50805bfdb457ae16a90e3f91c1b283b9b
Reviewed-on: http://git-master/r/1011505
Reviewed-by: Przemek Tredak <ptredak@nvidia.com>
Tested-by: Przemek Tredak <ptredak@nvidia.com>
 2016-02-12 15:13:56 -08:00
Nathan Luehr
caa40b8dd3 Libwrap checks for LIB.so.1 if LIB.so not found 
Change-Id: I6f07f887f828cb2259dcfd496a2ad707db898cf5
Reviewed-on: http://git-master/r/1000162
Reviewed-by: Przemek Tredak <ptredak@nvidia.com>
Tested-by: Przemek Tredak <ptredak@nvidia.com>
 2016-01-29 12:36:42 -08:00
Nathan Luehr
fe1a956715 Enabled support for char type to be unsigned. 
GCC on POWER arch defines char type as unsigned.

Change-Id: Ic143cb058fe42414b1f6f1f45b02132c837726ae
Reviewed-on: http://git-master/r/999614
Reviewed-by: Przemek Tredak <ptredak@nvidia.com>
Tested-by: Przemek Tredak <ptredak@nvidia.com>
 2016-01-28 13:38:18 -08:00
Sylvain Jeaugey
c05312f151 Moved tests to separate dir and improved MPI test 
test sources moved to test/ directory.
MPI test displays PASS/FAIL and returns code accordingly.

Change-Id: I058ebd1bd5202d8f38cc9787898b2480100c102b
Reviewed-on: http://git-master/r/936086
Reviewed-by: Przemek Tredak <ptredak@nvidia.com>
Tested-by: Przemek Tredak <ptredak@nvidia.com>
 2016-01-28 12:56:36 -08:00
Nathan Luehr
5966316771 Added support for more than 8 GPUs. 
Change-Id: Iaa1841036a7bfdad6ebec99fed0adcd2bbe6ffad
Reviewed-on: http://git-master/r/935459
Reviewed-by: Cliff Woolley <jwoolley@nvidia.com>
Tested-by: Przemek Tredak <ptredak@nvidia.com>
 2016-01-21 13:00:21 -08:00
Nathan Luehr
130ee246e2 Fixed deadlock in back-to-back reduce_scatters. 
Change-Id: I92d32b15e516a39710b676aee692ae9b70638937
Reviewed-on: http://git-master/r/935458
Reviewed-by: Przemek Tredak <ptredak@nvidia.com>
Tested-by: Przemek Tredak <ptredak@nvidia.com>
 2016-01-21 10:36:03 -08:00
Nathan Luehr
651a6edc5c Fixed bug in MPI initialization. 2015-12-10 17:54:41 -08:00
Simon Layton
41ce4ca9fc Add int64 and uint64 types for all algorithms and tests 2015-12-04 13:28:36 -05:00
Nathan Luehr
27d32ac5d9 Fixed a race condition in reduce and braodcast. 2015-11-19 11:11:52 -08:00
Nathan Luehr
0673d5f44f Initial release. 2015-11-17 11:30:40 -08:00