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diptorupd
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Jan 28, 2026
This PR introduces a patch to includes
Tested with Unit Tests:
Test project /root/amd_eng/flashinfer/libflashinfer/tests/hip/build
Start 1: MathTest
1/4 Test #1: MathTest ......................... Passed 3.25 sec
Start 2: PosEncTest
2/4 Test #2: PosEncTest ....................... Passed 3.25 sec
Start 3: CascadeTest
3/4 Test #3: CascadeTest ...................... Passed 3.24 sec
Start 4: PageTest
4/4 Test #4: PageTest ......................... Passed 161.15 sec
100% tests passed, 0 tests failed out of 4
diptorupd
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Jan 28, 2026
This PR fixes some of the unit test failures that occur in Single
Decode. It also disables clang formatting of headers.
The clang format of headers causes compilation issues. The compiler is
unable to find `HIP WARP SYNC INTRINSICS` causing failures. Disabling
clang format fixes these issues
```
Start 1: MathTest
1/6 Test #1: MathTest ......................... Passed 3.31 sec
Start 2: PosEncTest
2/6 Test #2: PosEncTest ....................... Passed 3.36 sec
Start 3: CascadeTest
3/6 Test #3: CascadeTest ...................... Passed 3.35 sec
Start 4: PageTest
4/6 Test #4: PageTest ......................... Passed 114.08 sec
Start 5: SingleDecodeTest
5/6 Test #5: SingleDecodeTest ................. Passed 35.22 sec
Start 6: BatchDecodeTest
6/6 Test #6: BatchDecodeTest .................. Passed 559.75 sec
100% tests passed, 0 tests failed out of 6
Total Test time (real) = 719.07 sec
```
diptorupd
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Jan 28, 2026
CPP test suite was using `hipified` headers. In this PR, we port over unit tests to use `gpu_iface`. This is necessary for us as the next step is to move the build infrastructure to use `gpu_iface`
This PR has been tested locally
```
Test project /root/flashinfer/libflashinfer/tests/hip/build
Start 1: MathTest
1/6 Test #1: MathTest ......................... Passed 3.40 sec
Start 2: PosEncTest
2/6 Test #2: PosEncTest ....................... Passed 3.40 sec
Start 3: CascadeTest
3/6 Test #3: CascadeTest ...................... Passed 985.27 sec
Start 4: PageTest
4/6 Test #4: PageTest ......................... Passed 112.40 sec
Start 5: SingleDecodeTest
5/6 Test #5: SingleDecodeTest ................. Passed 35.46 sec
Start 6: BatchDecodeTest
6/6 Test #6: BatchDecodeTest .................. Passed 556.81 sec
100% tests passed, 0 tests failed out of 6
```
To replicate the tests
```
cd flashinfer/libflashinfer/tests/hip
```
```
mkdir build && cd build/
```
```
cmake -DCMAKE_PREFIX_PATH=/root/libtorch -DCMAKE_CXX_COMPILER:PATH=/opt/rocm/bin/amdclang++ -DFLASHINFER_INCLUDE_DIRS=/root/flashinfer/libflashinfer/include/ ..
```
```
make
```
```
ctest
```
diptorupd
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Jan 28, 2026
In this PR I remove the `libtorch` dependency and removed
`test_page.cpp`. `test_page.cpp` is the only unit test that uses
libtorch. However, we also have a pytest for testing page. We will use
that for validation.
Removing the libtorch dependency will help us speed docker builds and
remove additional dependencies.
```Test project /root/flashinfer/libflashinfer/tests/hip/build
Start 1: MathTest
1/8 Test #1: MathTest ............................ Passed 0.31 sec
Start 2: PosEncTest
2/8 Test #2: PosEncTest .......................... Passed 0.31 sec
Start 3: CascadeTest
3/8 Test #3: CascadeTest ......................... Passed 1369.12 sec
Start 4: SingleDecodeTest
4/8 Test #4: SingleDecodeTest .................... Passed 7726.35 sec
Start 5: BatchDecodeTest
5/8 Test #5: BatchDecodeTest ..................... Passed 811.61 sec
Start 6: test_mfma_fp32_16x16x16fp16
6/8 Test #6: test_mfma_fp32_16x16x16fp16 ......... Passed 0.30 sec
Start 7: test_transpose_4x4_half_registers
7/8 Test #7: test_transpose_4x4_half_registers ... Passed 0.28 sec
Start 8: test_rowsum
8/8 Test #8: test_rowsum ......................... Passed 0.27 sec
100% tests passed, 0 tests failed out of 8
```
diptorupd
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that referenced
this pull request
Jan 28, 2026
* Adds debug utility functions for CDNA3 MMA ops.
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