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Fix launch params are larger than launch bounds(256) for kernels in
rocm_gemm.cu
Signed-off-by: wenjh <wenjh@sugon.com>

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[RocblasGemm] Provide support of AB(bf16)D(fp32)
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Ref params of rmsnorm will make program corruption with 'nil' error.
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Due to the difference of warp size between nvidia(32) and dtk(64), the
OperatorTest/CTDBiasTestSuite.TestCTDBias/* are all failed except:

* OperatorTest/CTDBiasTestSuite.TestCTDBias/bfloat16Xfloat32X65536X128
* OperatorTest/CTDBiasTestSuite.TestCTDBias/bfloat16Xfloat16X65536X128
* OperatorTest/CTDBiasTestSuite.TestCTDBias/bfloat16Xbfloat16X65536X128
* OperatorTest/CTDBiasTestSuite.TestCTDBias/bfloat16Xfloat8e5m2X65536X128
* OperatorTest/CTDBiasTestSuite.TestCTDBias/bfloat16Xfloat8e4m3X65536X128

This commit is intended to fix this.
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Due to the compiler compiling incorrect code. The following test case crashed:

* OperatorTest/CTTestSuite.TestCastTranspose/bfloat16Xbfloat16X2048X12288
* OperatorTest/CTTestSuite.TestCastTranspose/bfloat16Xbfloat16X65536X128
* OperatorTest/CTTestSuite.TestCastTranspose/bfloat16Xbfloat16X256X65536

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* refactor + mxfp8

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