model: Add Mimo v2.5 model support (#22493)

* add mimo-v2.5 support

* mimo-v2.5: fix modify_tensors row split

* mimi-v2.5: forgot `add_attn_value_scale` plumbing

* mimi-v2.5: fix tp dequant to detect tp rows

* mimo-v2.5: fix TP iteration to be descending

* mimo-v2.5: fix comment

* mimo-v2.5: retain fused qkv

* mimo-v2.5: missed the attn_value scale during merge

* mimo-v2.5: fused QKV needs contiguous for scaling attention value

* mimo-v2.5: move `speech_embeddings.` to TextModel filter_tensors

* Update src/llama-hparams.h

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* Update src/models/mimo2.cpp

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* Update src/models/mimo2.cpp

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* Update convert_hf_to_gguf.py

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* Update convert_hf_to_gguf.py

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* Update src/models/mimo2.cpp

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>

* mimo-v2.5: include MTP weights in gguf

---------

Co-authored-by: Sigbjørn Skjæret <sigbjorn.skjaeret@scala.com>
This commit is contained in:
AesSedai
2026-05-07 04:21:58 -07:00
committed by GitHub
parent f4b5a2ee91
commit 8e52631d55
9 changed files with 235 additions and 34 deletions
+6
View File
@@ -175,6 +175,7 @@ class Keys:
SLIDING_WINDOW = "{arch}.attention.sliding_window"
SCALE = "{arch}.attention.scale"
OUTPUT_SCALE = "{arch}.attention.output_scale"
VALUE_SCALE = "{arch}.attention.value_scale"
TEMPERATURE_LENGTH = "{arch}.attention.temperature_length"
KEY_LENGTH_MLA = "{arch}.attention.key_length_mla"
VALUE_LENGTH_MLA = "{arch}.attention.value_length_mla"
@@ -3868,6 +3869,7 @@ MODEL_TENSORS: dict[MODEL_ARCH, list[MODEL_TENSOR]] = {
MODEL_TENSOR.OUTPUT_NORM,
MODEL_TENSOR.OUTPUT,
MODEL_TENSOR.ATTN_NORM,
MODEL_TENSOR.ATTN_QKV,
MODEL_TENSOR.ATTN_Q,
MODEL_TENSOR.ATTN_K,
MODEL_TENSOR.ATTN_V,
@@ -3882,6 +3884,10 @@ MODEL_TENSORS: dict[MODEL_ARCH, list[MODEL_TENSOR]] = {
MODEL_TENSOR.FFN_DOWN_EXP,
MODEL_TENSOR.FFN_UP_EXP,
MODEL_TENSOR.FFN_EXP_PROBS_B,
MODEL_TENSOR.LAYER_OUT_NORM,
MODEL_TENSOR.NEXTN_EH_PROJ,
MODEL_TENSOR.NEXTN_ENORM,
MODEL_TENSOR.NEXTN_HNORM,
],
MODEL_ARCH.STEP35: [
MODEL_TENSOR.TOKEN_EMBD,
+3
View File
@@ -943,6 +943,9 @@ class GGUFWriter:
def add_attn_output_scale(self, value: float) -> None:
self.add_float32(Keys.Attention.OUTPUT_SCALE.format(arch=self.arch), value)
def add_attn_value_scale(self, value: float) -> None:
self.add_float32(Keys.Attention.VALUE_SCALE.format(arch=self.arch), value)
def add_attn_temperature_length(self, value: int) -> None:
self.add_uint32(Keys.Attention.TEMPERATURE_LENGTH.format(arch=self.arch), value)