TensorRT-LLMs/cpp/tensorrt_llm/kernels/contextFusedMultiHeadAttention
zhhuang-nv 97bc680cd8
feat: support kv cache reuse for MLA (#3571)
* support kv cache reuse for MLA

load compressed_kv and k_pe and do up-projection
use 192/128 head size MLA context kernel
support Blackwell and Hopper now

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* add CI test

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* fix: set k_pe head_num to 1 for kernel 2 and kernel 2V2

Signed-off-by: Mingyang Jiang <13463932+jmydurant@users.noreply.github.com>

* resolve comments

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* use GPTJ style RoPE for MLA

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* fix rebase error and some docs

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* fix kv_lens

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* tiny fix

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* fix torch compile

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* fix: use normal device memory instead of pinned memory for unit test

Signed-off-by: Mingyang Jiang <13463932+jmydurant@users.noreply.github.com>

* fix L0 tests

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* fix torch compile after rebase

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* resolve comments

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

* resolve comments again

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>

---------

Signed-off-by: Zhen Huang <145532724+zhhuang-nv@users.noreply.github.com>
Signed-off-by: Mingyang Jiang <13463932+jmydurant@users.noreply.github.com>
Signed-off-by: zhhuang-nv <145532724+zhhuang-nv@users.noreply.github.com>
Co-authored-by: Mingyang Jiang <13463932+jmydurant@users.noreply.github.com>
2025-05-15 15:22:21 +08:00
..
cubin feat: support kv cache reuse for MLA (#3571) 2025-05-15 15:22:21 +08:00
CMakeLists.txt infra: open source fmha v2 kernels (#4185) 2025-05-15 10:56:34 +08:00
fmhaPackedMask.cu Update TensorRT-LLM (#2873) 2025-03-11 21:13:42 +08:00
fmhaPackedMask.h Update TensorRT-LLM (#2783) 2025-02-13 18:40:22 +08:00
fmhaRunner.cpp feat: support kv cache reuse for MLA (#3571) 2025-05-15 15:22:21 +08:00
fmhaRunner.h Update TensorRT-LLM (#2363) 2024-10-22 20:27:35 +08:00
fused_multihead_attention_common.h feat: support kv cache reuse for MLA (#3571) 2025-05-15 15:22:21 +08:00
fused_multihead_attention_v2.cpp feat: Add support for FP8 MLA on Hopper and Blackwell. (#3190) 2025-04-07 15:14:13 +08:00
fused_multihead_attention_v2.h feat: Add support for FP8 MLA on Hopper and Blackwell. (#3190) 2025-04-07 15:14:13 +08:00
tmaDescriptor.h Update TensorRT-LLM (#1274) 2024-03-12 18:15:52 +08:00