8 Commits

Author SHA1 Message Date
Sylvain Jeaugey
911d61f214 2.8.4-1
Fix hang in corner cases of alltoallv using point to point send/recv.
Harmonize error messages.
Fix missing NVTX section in the license.
Update README.
2021-02-09 15:36:48 -08:00
Sylvain Jeaugey
5949d96f36 2.7.3-1
Add support for A100 GPU and related platforms.
Add support for CUDA 11.
Add support for send/receive operations (beta).
2020-06-08 09:31:44 -07:00
Sylvain Jeaugey
b221128eca 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.
2020-03-20 14:58:36 -07:00
Sylvain Jeaugey
299c554dcc
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
2019-11-19 14:57:39 -08:00
David Addison
fad079a8ae Updated PR#196 to use a common hash function 2019-08-14 10:08:39 -07:00
David Addison
01d1836668 Merge branch 'shm' of git://github.com/lowintelligence/nccl into lowintelligence-shm 2019-08-14 09:45:45 -07:00
Hirochika Asai
0b192d2299 Add the exact matching modifier support "=" to the NCCL_IB_HCA variable (#236)
Perform exact matching when the prefix "=" is specified in the NCCL_IB_HCA variable to exclude HCAs mlx5_X[0-9]+ when mlx5_X is specified.
2019-07-09 14:45:41 -07:00
David Addison
f40ce73e89 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
2019-04-05 13:05:45 -07:00