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Implement RTC api for fmha#1

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Implement RTC api for fmha#1
music-dino wants to merge 5 commits into
utf8_chars_removedfrom
fmha_rtc_api

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Proposed changes

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  • I have added tests relevant to the introduced functionality, and the unit tests are passing locally
  • I have added the test to REGRESSION_TESTS list defined at the top of CMakeLists.txt in tests/CMakeLists.txt, IF the test takes more than 30 seconds to run.
  • I have added inline documentation which enables the maintainers with understanding the motivation
  • I have removed the stale documentation which is no longer relevant after this pull request
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music-dino pushed a commit that referenced this pull request Apr 6, 2026
[CK][CK_TILE] Fix CTest parsing to handle all test number
 formats (#5880)

## Motivation
Fix a bug in the smart-build --ctest-only filter that was incorrectly
excluding tests with numbers less than 100.

## Technical Details
The issue was caused by CTest formatting test numbers with variable
spacing based on the number of digits:
  - "Test   `#1`: name (3 spaces for tests 1-9)"
  - "Test  `ROCm#79`: name (2 spaces for tests 10-99)"
  - "Test `ROCm#100`: name (1 space for tests 100+)"

The previous code used `line.strip().startswith("Test #")` which only
matched tests with a single space (i.e., test numbers >= 100).

This caused tests like ck_tile_unit_sequence (Test ROCm#79) to be excluded
from smart-build test selection, resulting in CTest failures when the
binary wasn't built.

Solution: Replace string matching with a regex pattern that handles
all spacing variations: r'^\s*Test\s+#\d+:\s*(.+)$'

## Test Plan
Tested with test numbers from 1 to 12345.

## Test Result
  - Before: 48 tests selected (only tests ROCm#100+)
  - After: 146 tests selected (all CTest-registered tests)

## Submission Checklist

- [x ] Look over the contributing guidelines at
https://github.com/ROCm/ROCm/blob/develop/CONTRIBUTING.md#pull-requests.

Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>
Co-authored-by: Illia Silin <98187287+illsilin@users.noreply.github.com>
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