Adding usage tip for ignore cpu affinity (#1948)

* Adding usage tip for ignore cpu affinity

* Update docs/how-to/rccl-usage-tips.rst

Co-authored-by: Jeffrey Novotny <jnovotny@amd.com>

* Update docs/how-to/rccl-usage-tips.rst

Co-authored-by: Jeffrey Novotny <jnovotny@amd.com>

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Co-authored-by: Jeffrey Novotny <jnovotny@amd.com>

Revert disabling of context tracking for radeon for release (#1934)

* Revert disabling of context tracking for Radeon

Original commit 6fc228e
 `Disable context tracking for the current version. (#1839)`

(cherry picked from commit b5e0597)

* Add env variable for disabling of context tracking for Radeon

`export NCCL_DISABLE_CONTEXT_TRACKING=1` to force disable of context tracking

(cherry picked from commit 7a37acc)

* Update docs/how-to/rccl-usage-tips.rst

Fix grammar, thanks @amd-jnovotny

Co-authored-by: Jeffrey Novotny <jnovotny@amd.com>

* Rename NCCL_DISABLE_CONTEXT_TRACKING -> RCCL_DISABLE_CONTEXT_TRACKING

* Revert changes in includes and rename util function

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Co-authored-by: Jeffrey Novotny <jnovotny@amd.com>

RCCL Monthly Drop 2025-09

ROCm Release for rccl 2.26.6

ROCm Release for rccl 2.26.6

RCCL Monthly Drop 2025-08

Disable context tracking for the current version. (#1839) (#1842)

Disable context tracking for the current version. (#1839) (#1842)

pre 2.26 sync