Commit Graph

11 Commits

Author SHA1 Message Date
Wenkai Du 0108a1219d Use cached value for detecting GDR support only once
[ROCm/rccl commit: 67c8e72ce3]
2020-05-22 17:19:10 +00:00
Wenkai Du 4aeb7f041e Merge remote-tracking branch 'nccl/master' into v2.6.4_merge
[ROCm/rccl commit: fa36fd9ef9]
2020-04-01 13:35:12 -07:00
Sylvain Jeaugey 40adc74496 2.6.4-1
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
Stanley Tsang e5419407c4 Updating copyright notices for 2020.
[ROCm/rccl commit: 20fa04d9b6]
2020-01-29 15:28:08 -08:00
Wenkai Du d7d4175df0 Merge remote-tracking branch 'remotes/nccl/master' into rccl_2.5.6
[ROCm/rccl commit: 6648c81dc6]
2019-12-03 15:42:04 -08:00
Sylvain Jeaugey 71560fd67b 2.5.6-1 (#255)
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
Ke Wen b91d8170f8 2.4.8-1
Fix #209: improve socket transport performance
  Split transfers over multiple sockets
  Launch multiple threads to drive sockets
  Detect AWS NICs and set nsockets/nthreads accordingly


[ROCm/rccl commit: 7c72dee660]
2019-06-25 13:22:47 -07:00
David Addison 17c8317cb1 NCCL 2.4.6-1
Added detection of IBM/Power NVLink bridge device.
    Add NUMA support to PCI distance calculations.
    Added NCCL_IGNORE_CPU_AFFINITY env var.
    Fix memory leaks; GithubIssue#180
    Compiler warning fix; GithubIssue#178
    Replace non-standard variable length arrays. GithubIssue#171
    Fix Tree+Shared Memory crash. GithubPR#185
    Fix LL cleanup hang during long running DL jobs.
    Fix NCCL_RINGS environment variable handling.
    Added extra checks to catch repeat calls to ncclCommDestroy() GithubIssue#191
    Improve bootstrap socket connection reliability at scale.
    Fix hostname hashing issue. GithubIssue#187
    Code cleanup to rename all non device files from *.cu to *.cc


[ROCm/rccl commit: f40ce73e89]
2019-04-05 13:05:45 -07:00
Sylvain Jeaugey ffc55560a1 2.4.2-1
Add tree algorithms for allreduce to improve performance at scale.
Add ncclCommAbort() and ncclCommGetAsyncError() to properly handle
network errors and be permit recover.
Detect initial CPU affinity and no longer escape it.


[ROCm/rccl commit: 1450d42675]
2019-01-29 15:19:27 -08:00
Sylvain Jeaugey 378a103248 Add support for external network.
Dynamically load external network from libnccl-net.so.
Add init function in networks.
Move PCI scoring to net.cu, only ask transport to provide a path.
Simplify CUDA PCI path detection.
Add dummy external network


[ROCm/rccl commit: 0d3a20f96d]
2018-11-26 16:24:31 -08:00
Sylvain Jeaugey 8ffcfac437 2.3.5-5
Add support for inter-node communication using sockets and InfiniBand/RoCE.
Improve latency.
Add support for aggregation.
Improve LL/regular tuning.
Remove tests as those are now at github.com/nvidia/nccl-tests .


[ROCm/rccl commit: f93fe9bfd9]
2018-09-25 14:12:01 -07:00