Lumpiasty/llama.cpp
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HIP: add fattn-mma-f16 for RDNA4 (#18481)

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* finish VQ mma

* flash_attn_ext_f16_iter

* KQ_rowsum

* correct exp

* fix scale error

* fix softmax scale

* fix softmax scale

* enable fattn on cpu side

* fix random error

* disable fattn-mma-f16 on rdna3

* fix wrong col for rdna

* use identity mat to transpose

* resolve conflicts

* basic tuning for DeepSeek-R1-Distill-Qwen-1.5B

* fix volta compile error

* align rdna4 policy for fattn

* adjust fattn policy

* adjust kernel selection logic

* update as the review comments

* keep fattn-wmma logic

* adjust kernel selection logic

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Co-authored-by: zhang hui <you@example.com>
Co-authored-by: Johannes Gäßler <johannesg@5d6.de>
This commit is contained in:
yulo
2026-01-13 13:52:16 +01:00
committed by GitHub
co-authored by zhang hui Johannes Gäßler
parent c1e79e610f
commit ea4a321f2a
6 changed files with 266 additions and 36 deletions
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ggml/src/ggml-cuda/vendors/hip.h
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+2
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@@ -138,6 +138,8 @@
#define cudaStream_t hipStream_t
#define cudaSuccess hipSuccess
#define cudaOccupancyMaxActiveBlocksPerMultiprocessor hipOccupancyMaxActiveBlocksPerMultiprocessor
#define cudaFuncSetAttribute hipFuncSetAttribute
#define cudaFuncAttributeMaxDynamicSharedMemorySize hipFuncAttributeMaxDynamicSharedMemorySize
#define __trap() do { abort(); __builtin_unreachable(); } while(0)
#define CUBLAS_STATUS_SUCCESS HIPBLAS_STATUS_SUCCESS
#define CUBLAS_STATUS_NOT_INITIALIZED HIPBLAS_STATUS_NOT_INITIALIZED