Current SHM object name would only use pidHash and ranks as
identification, which would collide each other when program runs with
multiple communicators. Here we added commId info into pidHash, it makes
'pidHash'es of different communicators keeping in same process will be
distincted with each other.
Ported from original commit: https://github.com/lowintelligence/nccl/commits/shm
[ROCm/rccl commit: 949d680e49]
* Fixing install script to actually install library when requested. Cleaning up unused code.
Removing unused arguments from install script.
Fixing weird whitespacing
* Fixing install script to install to correct location /opt/rocm, now creates symlink in /opt/rocm/lib
* Updates and corrections to README and install script
[ROCm/rccl commit: 329a62a01f]
- Fixing Centos 7 Packaging
- standardizing version numbers for release to use rocm versioning
- removing maintainer email based on legal's input
[ROCm/rccl commit: 1c7b0bd878]
* Implement HDP flush when transfer data over PCIe P2P
* Add some descriptions to HDP flushing
* Fix for review comments
[ROCm/rccl commit: b7a6307371]
Improve throughput for about 20%. Also remove P2P over PCIe which was
left enabled at initial release.
Signed-off-by: Wenkai Du <wenkai.du@amd.com>
[ROCm/rccl commit: f45566a8bd]
When initNet fails, we should not print the backtrace as it is
supposed to be normal operation (falling back to sockets)
[ROCm/rccl commit: 57368189e1]
Whether the network supported GPU Direct RDMA or not was ignored,
causing sockets to break when cards were local enough that NCCL
tried to use it.
[ROCm/rccl commit: 4b39a4cf91]
This is to handle EINTR/EGAIN properly (issue #137), and also
make the code consistent with the rest.
Unfortunately posix_fallocate and mmap do not follow the classic
return code/errno pattern, so we need to write wrappers around those
functions.
[ROCm/rccl commit: eed8218e17]
SYSCHECKVAL was not retrying when a retry was needed. Since not all
calls are inside a loop, that means we could silently miss an
EINTR/EAGAIN return code.
Also rework the socket connection code and improve error reporting.
[ROCm/rccl commit: 302d538b73]
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]
Wenkai Du
Stanley Tsang
saadrahim
Jeff Daily
Yaxun Sam Liu
Saad Rahim
Wenkai Du
gilbertlee-amd
Aaron Enye Shi
Gilbert Lee
Christian Sigg
Sylvain Jeaugey
Christian Sigg
Ke Wen
David Addison