Wenkai Du
5ba51914f1
Update rccl_bfloat16.h to match rocBLAS
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[ROCm/rccl commit: d5a07a7b5c ]
2020-05-08 22:48:07 +00:00
Wenkai Du
069322d05a
Set flags when calling hipExtLaunchMultiKernelMultiDevice in hip-clang
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[ROCm/rccl commit: 24ea2ef6dd ]
2020-05-08 15:57:14 +00:00
Wenkai Du
9813d67cd1
Merge remote-tracking branch 'nccl/master' into HEAD
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[ROCm/rccl commit: c4edc257b0 ]
2020-04-27 17:16:54 +00:00
Wenkai Du
7b7f781658
Fix incorrect next device ID in PCI ordered search
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[ROCm/rccl commit: edb49ed2d5 ]
2020-04-25 01:01:13 +00:00
Sylvain Jeaugey
c43022b9d8
Fix crash when only a subset of GPUs are visible within a container.
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Fixes #326 .
[ROCm/rccl commit: f36540f55a ]
2020-04-17 10:03:14 -07:00
Sylvain Jeaugey
5df2502deb
Improve robustness of PCI detection
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Fallback to default values when class/speed is unknown.
[ROCm/rccl commit: 23a9fbb788 ]
2020-04-16 14:27:50 -07:00
aokomoriuta
acd868dfcb
Fix wrong variable name "slice" to "chunk"
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https://github.com/NVIDIA/nccl/issues/287
[ROCm/rccl commit: a783484ab5 ]
2020-04-14 19:00:51 -07:00
Sylvain Jeaugey
627e1a06d0
Fix bug #307 : wrong NIC selection on the reduction tree.
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The reduction tree (tree up) was inverting the NICs to use,
causing performance issue in cases where we are using different
NICs on a given channel.
[ROCm/rccl commit: b5b6c6acdd ]
2020-04-09 17:14:07 -07:00
Aaron Enye Shi
bfbfe370c3
Fix HIP-Clang build with HSA headers
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HIP-Clang does not include these HSA headers, and they need to be explicitly added in RCCL.
[ROCm/rccl commit: a95090d981 ]
2020-04-03 17:58:23 -04:00
Wenkai Du
8852e54181
topo_expl: update to 2.6
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[ROCm/rccl commit: 6f54b23503 ]
2020-04-01 13:37:08 -07:00
Wenkai Du
4aeb7f041e
Merge remote-tracking branch 'nccl/master' into v2.6.4_merge
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[ROCm/rccl commit: fa36fd9ef9 ]
2020-04-01 13:35:12 -07:00
Sylvain Jeaugey
b996c2ca00
Merge pull request #314 from NVIDIA/v2.6
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2.6.4-1
[ROCm/rccl commit: 533e3702cf ]
2020-03-26 17:31:24 -07:00
Sylvain Jeaugey
40adc74496
2.6.4-1
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Add support for network collectives.
Add support for XML topology dump/injection.
Add text values for GDR and P2P Levels, including "NVL".
Add speed detection for PCI, Infiniband and Ethernet cards.
Add CPU detection for ARM and AMD CPUs.
Add support for adaptive routing on Infiniband.
Change NET plugin API to v3 : merge PCI path and GPU pointer
capability into a single structure and add other properties.
[ROCm/rccl commit: b221128eca ]
2020-03-20 14:58:36 -07:00
Rashika Kheria
38b445c94f
Check return code for Flush operation
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Current NCCL code does not abort for failed Flush operations by
underlying network. This may compromise data integrity.
Signed-off-by: Rashika Kheria <rashika@amazon.com >
[ROCm/rccl commit: 6c61492eba ]
2020-03-16 20:40:59 -07:00
Wenkai Du
cb19bce4e0
Merge pull request #183 from wenkaidu/dup_rings
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Remove condition for ring duplication
[ROCm/rccl commit: 0976e47b06 ]
2020-03-02 17:12:42 -08:00
Wenkai Du
85fd51a06f
Remove condition for ring duplication
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Fix insufficent number of rings on single node after pull #179
[ROCm/rccl commit: 62dc28bd2e ]
2020-03-02 12:55:06 -08:00
Wenkai Du
593d99d9a9
Check fine grained memory before enabling RDMA
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Adding back the check which was lost from 2.5 merge.
[ROCm/rccl commit: fb59328a7b ]
2020-03-02 11:18:27 -08:00
Wenkai Du
2a66deb694
Merge pull request #179 from wenkaidu/search
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Use fraction of system maxWidth as steps for searching
[ROCm/rccl commit: 8b5bc8bca2 ]
2020-02-28 11:05:46 -08:00
Wenkai Du
b750defc28
Merge remote-tracking branch 'remotes/nccl/master'
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[ROCm/rccl commit: 8e73a2ad60 ]
2020-02-27 12:53:03 -08:00
Wenkai Du
45a7541582
Revise PCI BW numbers on Rome
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[ROCm/rccl commit: d2adc61bf6 ]
2020-02-26 13:17:49 -08:00
Wenkai Du
b4be0ff3b8
Use fraction of system maxWidth as steps for searching
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This reverts previous workaround of deducting only half of width
from paths.
[ROCm/rccl commit: 8391637613 ]
2020-02-26 09:14:35 -08:00
Wenkai Du
5747c3cac1
Fix abort handling in LL primitives
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[ROCm/rccl commit: 077c3cda74 ]
2020-02-25 13:42:54 -08:00
Wenkai Du
d640f38d56
Fix system maxSpeed and maxWidth calculation
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[ROCm/rccl commit: 9b80b3633f ]
2020-02-24 15:18:57 -08:00
Wenkai Du
93d448e2fe
Fix incorrect CR8 detection
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Also change level of ring graph print to help debugging
[ROCm/rccl commit: f54dc58113 ]
2020-02-21 10:09:49 -08:00
Wenkai Du
cf4bce4ad3
Merge pull request #172 from wenkaidu/topo_expl
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Add topology explorer
[ROCm/rccl commit: 5b3856f2ed ]
2020-02-20 15:16:55 -08:00
Wenkai Du
00f421ccbd
Add topology explorer
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[ROCm/rccl commit: 55f8e2dec7 ]
2020-02-19 14:42:06 -08:00
Sylvain Jeaugey
6034c27655
Fix Allgather operations above 4G with multiple GPUs per process.
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Fixes nccl-tests#37.
Direct offsets were still on 32 bits in the low-level primitives.
[ROCm/rccl commit: c38f174bd4 ]
2020-02-12 11:11:55 -08:00
Wenkai Du
8432e8a921
Generate 8G6L chordal ring from reference
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[ROCm/rccl commit: abcfbf1231 ]
2020-02-11 22:01:12 +00:00
Wenkai Du
6b2d7de200
Add ring bandwidth correction factor
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[ROCm/rccl commit: d1dae2721d ]
2020-01-30 09:52:27 -08:00
Stanley Tsang
e5419407c4
Updating copyright notices for 2020.
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[ROCm/rccl commit: 20fa04d9b6 ]
2020-01-29 15:28:08 -08:00
Wenkai Du
622b49e80a
Split primitive class to smaller structures
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[ROCm/rccl commit: 486fd436af ]
2020-01-29 15:27:23 -08:00
Wenkai Du
d2fbcfea02
Misc fixes and improvements for 2.5.6
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1. Fix RCCL unit test
2. Add ROME detection and tuning
3. Change default P2P level
4. Fix search algorithm for XGMI
5. Remove explicit channel duplication with implicit by using half of link speed
6. Add collective trace support
7. Correct Intel Skylake CPU detection and bandwidth
8. Fix topo connect function
9. Disable GDR read and remove unreachable code
10. Disable LL128 kernels
11. Add tuning parameters
12. Use original clock64() implementation which returns RTC counter value
13. Print out timestamp of collective trace
14. Do not use struct ncclColl in kernel launch parameter
15. Fix abort handling and add tracing
17. Add __launch_bounds__ to kernel functions
18. Remove unused abortCount
19. Unset default MIN_NRINGS and MIN_NCHANNELS
20. Do not allocate shared memory when not using LL128 kernels
21. Correct time print out in tuning log
[ROCm/rccl commit: 1e55645d97 ]
2020-01-29 15:27:05 -08:00
Luke Yeager
d91217b16f
[topology] remove NET links when trimming system
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This fixes a memory leak.
[ROCm/rccl commit: 7a18fe0784 ]
2020-01-07 13:29:57 -08:00
Christian Sigg
ff74ebdcea
Fix clang build ( #274 )
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The attribute is called `optnone`, not `noopt`.
[ROCm/rccl commit: 3899f6e0f2 ]
2019-12-09 09:31:13 -08:00
Sylvain Jeaugey
e5a17ee58d
Fix clang compilation
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[ROCm/rccl commit: aa15dfb29c ]
2019-12-06 09:55:54 -08:00
Christian Sigg
4984d5ce0b
Fix clang build ( #271 )
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Clang doesn't understand `optimize("O0")`. It has `noopt`, which GCC doesn't understand. Wrap the difference in a macro.
[ROCm/rccl commit: 8c564e9b57 ]
2019-12-06 09:14:55 -08:00
Wenkai Du
d7d4175df0
Merge remote-tracking branch 'remotes/nccl/master' into rccl_2.5.6
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[ROCm/rccl commit: 6648c81dc6 ]
2019-12-03 15:42:04 -08:00
Wenkai Du
4cb52294d5
Disable direct buffers to reduce scratch memory size
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[ROCm/rccl commit: a0be2b8812 ]
2019-11-20 13:03:16 -08:00
Sylvain Jeaugey
71560fd67b
2.5.6-1 ( #255 )
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Add LL128 Protocol.
Rewrite the topology detection and tree/ring creation (#179 ). Improve
tree performance by sending/receiving from different GPUs. Add
model-based tuning to switch between the different algorithms and
protocols.
Rework P2P/SHM detection in containers (#155 , #248 ).
Detect duplicated devices and return an error (#231 ).
Add tuning for GCP
[ROCm/rccl commit: 299c554dcc ]
2019-11-19 14:57:39 -08:00
Wenkai Du
1e182391ad
Add bfloat16 support in RCCL
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Preprocessor symbol RCCL_BFLOAT16 is used as feature indicator
[ROCm/rccl commit: 5e109ed400 ]
2019-11-18 13:45:53 -08:00
Wenkai Du
62042e47bc
Correct RTC frequencies for profiling purpose
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[ROCm/rccl commit: 8995047830 ]
2019-11-05 11:36:45 -08:00
Wenkai Du
41f6319b33
Check for fine grain support using memory allocation
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[ROCm/rccl commit: 669f1951a4 ]
2019-11-01 15:58:49 -07:00
Jeff Daily
e43e1f1b3d
additional check for fine grain support in p2pCanConnect ( #146 )
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[ROCm/rccl commit: 5a502955c9 ]
2019-10-31 08:58:38 -07:00
Wenkai Du
d3f399f619
Disable HDP flush for RDMA
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[ROCm/rccl commit: 296176a4fd ]
2019-10-23 14:40:17 -07:00
Wenkai Du
21bc1ef493
Revert collective chunk and slice steps to avoid drop in throughput
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[ROCm/rccl commit: df74d12946 ]
2019-10-18 12:54:00 -07:00
Gilbert Lee
7560929bd7
Reverting GenericOp bug workaround modifications to slice/chunk steps
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[ROCm/rccl commit: 37603ae6cb ]
2019-10-11 09:20:10 -07:00
Gilbert Lee
cf597ff257
Performing __threadfence_system() with only first thread
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[ROCm/rccl commit: 1392dd2997 ]
2019-10-11 09:16:19 -07:00
Gilbert Lee
d257970ad1
Fix for GenericOp device primitive bug
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[ROCm/rccl commit: 8ae1bce3bb ]
2019-10-10 22:39:45 -07:00
Wenkai Du
fbcdfd8348
Merge pull request #136 from wenkaidu/tree
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Enable tree kernels in build
[ROCm/rccl commit: 062c798c86 ]
2019-10-09 10:58:52 -07:00
Wenkai Du
f86ee41415
Enable tree kernels in build
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Need to tune and specify NCCL_TREE_THRESHOLD to allow usage
[ROCm/rccl commit: 76976c9e2e ]
2019-10-08 23:20:11 +00:00