* Template unroll for RCCL kernels
* Adding unroll template arg during CMake hipification
* Reduce linking parallel jobs to avoid OOM in CI
* Workaround issues with UT tests
SWDEV-469533: register spill fix is needed for mainline build
LWPCOMMLIBS-369: cannot enable 112 channels with 80 CUs
Use -parallel-jobs=8 for linking
* CI: do not use -j 16 when building
* CI: use -j 8 when building
* Only reduce parallel linking job for CI extended
* Restore original jenkins command. Change parallel linking jobs in cmake
* Disable MSCCLPP
---------
Co-authored-by: gilbertlee-amd <gilbert.lee@amd.com>
[ROCm/rccl commit: 89349f2ce4]
* Revert "[GRAPH] Use channel shuffling only for IB systems (#1228)"
This reverts commit 8a7dd0e590.
* Revert "Revert "Changing channel stride for MI300X multinode (#1196)" (#1224)"
This reverts commit bb6fab3d8e.
[ROCm/rccl commit: a1ef217b32]
* [GRAPH] Use channel shuffling only for IB systems
Signed-off-by: nileshnegi <Nilesh.Negi@amd.com>
* [GRAPH] Define channels=48 for gfx94 RoCE systems
Signed-off-by: nileshnegi <Nilesh.Negi@amd.com>
* [GRAPH] Increase channels for RoCE gfx94 systems
Signed-off-by: nileshnegi <Nilesh.Negi@amd.com>
---------
Signed-off-by: nileshnegi <Nilesh.Negi@amd.com>
[ROCm/rccl commit: 5be3b713ef]
- Modifies the ring creation algorithm to be friendlier to rail-optimized topologies (should not affect classic fabric topologies)
[ROCm/rccl commit: 4cb62f999a]
Add support for alternating rings, allow for cross-nic rings without
cross-rail communication.
Add support for user buffer registration for network send/recv.
Optimize aggregated operations to better utilize all channels.
Add flattening for BCM PCI gen5 switches.
Add support for inter-node NVLink communication
Add support for port fusion in NET/IB.
Add support for ReduceScatter and AllGather using Collnet.
Update net API to v8.
Fix hang during A2A connection.
[ROCm/rccl commit: b6475625fb]
Add local user buffer registration for NVLink SHARP.
Add tuning plugin support.
Increase net API to v7 to allow for device-side packet reordering;
remove support for v4 plugins.
Add support for RoCE ECE.
Add support for C2C links.
Better detect SHM allocation failures to avoid crash with Bus Error.
Fix missing thread unlocks in bootstrap (Fixes#936).
Disable network flush by default on H100.
Move device code from src/collectives/device to src/device.
[ROCm/rccl commit: f9c3dc251e]
Fix data corruption with Tree/LL128 on systems with 1GPU:1NIC.
Fix hang with Collnet on bfloat16 on systems with less than one NIC
per GPU.
Fix long initialization time.
Fix data corruption with Collnet when mixing multi-process and
multi-GPU per process.
Fix crash when shared memory creation fails.
Fix Avg operation with Collnet/Chain.
Fix performance of alltoall at scale with more than one NIC per GPU.
Fix performance for DGX H800.
Fix race condition in connection progress causing a crash.
Fix network flush with Collnet.
Fix performance of aggregated allGather/reduceScatter operations.
Fix PXN operation when CUDA_VISIBLE_DEVICES is set.
Fix NVTX3 compilation issues on Debian 10.
[ROCm/rccl commit: ea38312273]
Add support for IB SHARP to NVLS (NVLink SHARP algorithm).
Add NVLS+Tree algorithm.
Add support for memory management using cuMem* functions.
Use all NICs for Send/Receive operations on systems with more than
one NIC per GPU (#804).
Add ncclCommSplit primitive, with resource sharing option in config.
Fix alltoallv hang (#788)
Increase number of channels on H100 when we're not limited by NVLink.
Improve error reporting in case of IB failure, printing local and
remote ID (#779).
Add build option to allow compilation against RDMA includes instead
of dynamically loading IB verbs symbols (#802).
Fix context creation for progress thread (#803).
NET/IB: add option to use multiple QPs in round-robin mode.
Fix tree performance issue when NVB is disabled on HCM topologies.
[ROCm/rccl commit: d97a32fac8]
Add new NVLS algorithm for allreduce using NVLink SHARP (intra-node only).
Add new config options: cgaClusterSize, minCTAs, maxCTAs, netName.
Enable LL128 when we use PXN to close rings.
NVTX3 includes update.
Fix crash when one CollNet (SHARP) rail fails to initialize.
[ROCm/rccl commit: 5d3ab08b69]
Fix crash with CollnetChain on some node topologies
Fix hang when interleaving the capture of different graphs
Fix hang during init in multi-threaded mode
Fix potential data corruption with LL128 protocol on unaligned buffers.
Fix CPU usage during preconnect
Fixes double-free in the error path for ncclCommInitAll
Workaround hang on H100 with Ring/LL128 on 2 GPUs.
[ROCm/rccl commit: cb111f764a]
Add support for improved fault tolerance: non-blocking mode, new
init function with config, and ncclCommFinalize function.
Reintroduce collnet+chain algorithm, alongside collnet+direct.
Add LL protocol for intra-node P2P (on by default) and network
communication (off by default).
Use network instead of shared memory when performance is better.
Fix: wait for CUDA graph destroy before destroying comm with linked
graph resources.
Remove aggressive polling during enqueue.
Fix DMABUF fallback on MOFED 5.4 and earlier.
[ROCm/rccl commit: c4e2aa6c79]
This is a single commit of the source code changes required to
introduce support for multiple ranks per device.
A new interface (ncclCommRankInitMulti) has to be used to make use of
this new feature.
[ROCm/rccl commit: 0336ffdf70]
Add network communication through another GPU connected with NVLink
(PXN).
Add aggregation of messages coming from different local GPUs through
PXN and going to the same destination.
Add new v5 plugin API with grouped receives and tags.
Add compat for v4 plugins.
Add naming of NCCL threads to help debugging.
Fix NVLink detection and avoid data corruption when some NVLinks are
down.
Add support for Relaxed Ordering for IB.
Add profiling and timing infrastructure.
[ROCm/rccl commit: 3c223c105a]
Fix memory leaks.
Fix crash in bootstrap error case.
Fix Collnet clean-up issue.
Make PCI switch vendor/device optional for XML injection.
Add support for nvidia-peermem module.
[ROCm/rccl commit: ca8485b0d0]
Add support for CUDA graphs.
Fuse BCM Gen4 switches to avoid suboptimal performance on some platforms. Issue #439.
Fix bootstrap issue caused by connection reordering.
Fix CPU locking block.
Improve CollNet algorithm.
Improve performance on DGX A100 for communicators with only one GPU per node.
[ROCm/rccl commit: a46ea10583]
Wenkai Du
Nilesh M Negi
Nusrat Islam
saurabhAMD
gilbertlee-amd
BertanDogancay
Sylvain Jeaugey
Ziyue Yang
akolliasAMD
Wenkai Du
Edgar Gabriel