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index e1907a8fab88..c2d874474750 100644
--- a/src/transformers/integrations/hub_kernels.py
+++ b/src/transformers/integrations/hub_kernels.py
@@ -370,7 +370,7 @@ def lazy_load_kernel(kernel_name: str, mapping: dict[str, ModuleType | None] = _
if callable(is_kernel_available) and is_kernel_available():
# Try to import the module "{kernel_name}" from parent package level
try:
- module = importlib.import_module(f"{kernel_name}")
+ module = importlib.import_module(f"{new_kernel_name}")
mapping[kernel_name] = module
return module
except Exception:
diff --git a/src/transformers/models/bamba/modeling_bamba.py b/src/transformers/models/bamba/modeling_bamba.py
index 9a5790c1fb6a..afcce31c7c62 100644
--- a/src/transformers/models/bamba/modeling_bamba.py
+++ b/src/transformers/models/bamba/modeling_bamba.py
@@ -36,6 +36,7 @@
from ...cache_utils import Cache
from ...generation import GenerationMixin
from ...integrations import use_kernel_forward_from_hub, use_kernelized_func
+from ...integrations.hub_kernels import lazy_load_kernel
from ...modeling_attn_mask_utils import AttentionMaskConverter
from ...modeling_layers import GradientCheckpointingLayer
from ...modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast
@@ -44,22 +45,9 @@
from ...processing_utils import Unpack
from ...utils import TransformersKwargs, auto_docstring, can_return_tuple, logging
from ...utils.generic import maybe_autocast
-from ...utils.import_utils import is_causal_conv1d_available, is_mamba_2_ssm_available
from .configuration_bamba import BambaConfig
-if is_mamba_2_ssm_available():
- from mamba_ssm.ops.triton.selective_state_update import selective_state_update
- from mamba_ssm.ops.triton.ssd_combined import mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined
-else:
- selective_state_update = None
-
-if is_causal_conv1d_available():
- from causal_conv1d import causal_conv1d_fn, causal_conv1d_update
-else:
- causal_conv1d_update, causal_conv1d_fn = None, None
-
-
logger = logging.get_logger(__name__)
@@ -501,9 +489,6 @@ def apply_mask_to_padding_states(hidden_states, attention_mask):
return hidden_states
-is_fast_path_available = all((selective_state_update, causal_conv1d_fn, causal_conv1d_update))
-
-
# Adapted from transformers.models.mamba2.modeling_mamba2.Mamba2Mixer
class BambaMixer(nn.Module):
"""
@@ -575,6 +560,20 @@ def __init__(self, config: BambaConfig, layer_idx: int):
self.out_proj = nn.Linear(self.intermediate_size, self.hidden_size, bias=self.use_bias)
+ global causal_conv1d_update, causal_conv1d_fn
+ causal_conv1d = lazy_load_kernel("causal-conv1d")
+ causal_conv1d_update = getattr(causal_conv1d, "causal_conv1d_update", None)
+ causal_conv1d_fn = getattr(causal_conv1d, "causal_conv1d_fn", None)
+
+ global selective_state_update, mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined
+ mamba_ssm = lazy_load_kernel("mamba-ssm")
+ selective_state_update = getattr(mamba_ssm, "selective_state_update", None)
+ mamba_chunk_scan_combined = getattr(mamba_ssm, "mamba_chunk_scan_combined", None)
+ mamba_split_conv1d_scan_combined = getattr(mamba_ssm, "mamba_split_conv1d_scan_combined", None)
+
+ global is_fast_path_available
+ is_fast_path_available = all((selective_state_update, causal_conv1d_fn, causal_conv1d_update))
+
if not is_fast_path_available:
logger.warning_once(
"The fast path is not available because one of `(selective_state_update, causal_conv1d_fn, causal_conv1d_update)`"
diff --git a/src/transformers/models/bamba/modular_bamba.py b/src/transformers/models/bamba/modular_bamba.py
index d29273940b8a..de8e7e77693d 100644
--- a/src/transformers/models/bamba/modular_bamba.py
+++ b/src/transformers/models/bamba/modular_bamba.py
@@ -43,6 +43,7 @@
)
from ... import initialization as init
+from ...integrations.hub_kernels import lazy_load_kernel
from ...modeling_attn_mask_utils import AttentionMaskConverter
from ...modeling_outputs import BaseModelOutputWithPast, CausalLMOutputWithPast
from ...modeling_utils import PreTrainedModel
@@ -52,24 +53,9 @@
can_return_tuple,
logging,
)
-from ...utils.import_utils import is_causal_conv1d_available, is_mamba_2_ssm_available
from .configuration_bamba import BambaConfig
-if is_mamba_2_ssm_available():
- from mamba_ssm.ops.triton.selective_state_update import selective_state_update
- from mamba_ssm.ops.triton.ssd_combined import mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined
-else:
- selective_state_update = None
-
-if is_causal_conv1d_available():
- from causal_conv1d import causal_conv1d_fn, causal_conv1d_update
-else:
- causal_conv1d_update, causal_conv1d_fn = None, None
-
-is_fast_path_available = all((selective_state_update, causal_conv1d_fn, causal_conv1d_update))
-
-
logger = logging.get_logger(__name__)
@@ -276,6 +262,20 @@ def __init__(self, config: BambaConfig, layer_idx: int):
self.out_proj = nn.Linear(self.intermediate_size, self.hidden_size, bias=self.use_bias)
+ global causal_conv1d_update, causal_conv1d_fn
+ causal_conv1d = lazy_load_kernel("causal-conv1d")
+ causal_conv1d_update = getattr(causal_conv1d, "causal_conv1d_update", None)
+ causal_conv1d_fn = getattr(causal_conv1d, "causal_conv1d_fn", None)
+
+ global selective_state_update, mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined
+ mamba_ssm = lazy_load_kernel("mamba-ssm")
+ selective_state_update = getattr(mamba_ssm, "selective_state_update", None)
+ mamba_chunk_scan_combined = getattr(mamba_ssm, "mamba_chunk_scan_combined", None)
+ mamba_split_conv1d_scan_combined = getattr(mamba_ssm, "mamba_split_conv1d_scan_combined", None)
+
+ global is_fast_path_available
+ is_fast_path_available = all((selective_state_update, causal_conv1d_fn, causal_conv1d_update))
+
if not is_fast_path_available:
logger.warning_once(
"The fast path is not available because one of `(selective_state_update, causal_conv1d_fn, causal_conv1d_update)`"
diff --git a/src/transformers/models/granitemoehybrid/modeling_granitemoehybrid.py b/src/transformers/models/granitemoehybrid/modeling_granitemoehybrid.py
index 2116a9811667..8feabb5a363d 100644
--- a/src/transformers/models/granitemoehybrid/modeling_granitemoehybrid.py
+++ b/src/transformers/models/granitemoehybrid/modeling_granitemoehybrid.py
@@ -32,6 +32,7 @@
from ...cache_utils import Cache
from ...generation import GenerationMixin
from ...integrations import use_kernel_forward_from_hub, use_kernel_func_from_hub, use_kernelized_func
+from ...integrations.hub_kernels import lazy_load_kernel
from ...masking_utils import create_causal_mask
from ...modeling_layers import GradientCheckpointingLayer
from ...modeling_outputs import BaseModelOutputWithPast, MoeCausalLMOutputWithPast, MoeModelOutputWithPast
@@ -40,22 +41,9 @@
from ...processing_utils import Unpack
from ...utils import TransformersKwargs, auto_docstring, can_return_tuple, logging
from ...utils.generic import check_model_inputs, maybe_autocast
-from ...utils.import_utils import is_causal_conv1d_available, is_mamba_2_ssm_available
from .configuration_granitemoehybrid import GraniteMoeHybridConfig
-if is_mamba_2_ssm_available():
- from mamba_ssm.ops.triton.selective_state_update import selective_state_update
- from mamba_ssm.ops.triton.ssd_combined import mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined
-else:
- selective_state_update = None
-
-if is_causal_conv1d_available():
- from causal_conv1d import causal_conv1d_fn, causal_conv1d_update
-else:
- causal_conv1d_update, causal_conv1d_fn = None, None
-
-
logger = logging.get_logger(__name__)
@@ -371,9 +359,6 @@ def apply_mask_to_padding_states(hidden_states, attention_mask):
return hidden_states
-is_fast_path_available = all((selective_state_update, causal_conv1d_fn, causal_conv1d_update))
-
-
# Adapted from transformers.models.mamba2.modeling_mamba2.Mamba2Mixer
class GraniteMoeHybridMambaLayer(nn.Module):
"""
@@ -445,6 +430,20 @@ def __init__(self, config: GraniteMoeHybridConfig, layer_idx: int):
self.out_proj = nn.Linear(self.intermediate_size, self.hidden_size, bias=self.use_bias)
+ global causal_conv1d_update, causal_conv1d_fn
+ causal_conv1d = lazy_load_kernel("causal-conv1d")
+ causal_conv1d_update = getattr(causal_conv1d, "causal_conv1d_update", None)
+ causal_conv1d_fn = getattr(causal_conv1d, "causal_conv1d_fn", None)
+
+ global selective_state_update, mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined
+ mamba_ssm = lazy_load_kernel("mamba-ssm")
+ selective_state_update = getattr(mamba_ssm, "selective_state_update", None)
+ mamba_chunk_scan_combined = getattr(mamba_ssm, "mamba_chunk_scan_combined", None)
+ mamba_split_conv1d_scan_combined = getattr(mamba_ssm, "mamba_split_conv1d_scan_combined", None)
+
+ global is_fast_path_available
+ is_fast_path_available = all((selective_state_update, causal_conv1d_fn, causal_conv1d_update))
+
if not is_fast_path_available:
logger.warning_once(
"The fast path is not available because one of `(selective_state_update, causal_conv1d_fn, causal_conv1d_update)`"
diff --git a/src/transformers/models/jamba/modeling_jamba.py b/src/transformers/models/jamba/modeling_jamba.py
index 9314ff7c90c6..0797dbb31dd0 100755
--- a/src/transformers/models/jamba/modeling_jamba.py
+++ b/src/transformers/models/jamba/modeling_jamba.py
@@ -33,6 +33,7 @@
from ...activations import ACT2FN
from ...generation import GenerationMixin
from ...integrations import use_kernel_forward_from_hub, use_kernel_func_from_hub, use_kernelized_func
+from ...integrations.hub_kernels import lazy_load_kernel
from ...masking_utils import create_causal_mask
from ...modeling_layers import GenericForSequenceClassification, GradientCheckpointingLayer
from ...modeling_outputs import MoeCausalLMOutputWithPast, MoeModelOutputWithPast
@@ -40,22 +41,9 @@
from ...processing_utils import Unpack
from ...utils import TransformersKwargs, auto_docstring, can_return_tuple, logging
from ...utils.generic import OutputRecorder, check_model_inputs
-from ...utils.import_utils import is_causal_conv1d_available, is_mamba_ssm_available
from .configuration_jamba import JambaConfig
-if is_mamba_ssm_available():
- from mamba_ssm.ops.selective_scan_interface import mamba_inner_fn, selective_scan_fn
- from mamba_ssm.ops.triton.selective_state_update import selective_state_update
-else:
- selective_state_update, selective_scan_fn, mamba_inner_fn = None, None, None
-
-if is_causal_conv1d_available():
- from causal_conv1d import causal_conv1d_fn, causal_conv1d_update
-else:
- causal_conv1d_update, causal_conv1d_fn = None, None
-
-
logger = logging.get_logger(__name__)
@@ -306,11 +294,6 @@ def forward(
return attn_output, attn_weights
-is_fast_path_available = all(
- (selective_state_update, selective_scan_fn, causal_conv1d_fn, causal_conv1d_update, mamba_inner_fn)
-)
-
-
class JambaMambaMixer(nn.Module):
"""
Compute ∆, A, B, C, and D the state space parameters and compute the `contextualized_states`.
@@ -364,6 +347,22 @@ def __init__(self, config: JambaConfig, layer_idx):
self.b_layernorm = JambaRMSNorm(self.ssm_state_size, eps=config.rms_norm_eps)
self.c_layernorm = JambaRMSNorm(self.ssm_state_size, eps=config.rms_norm_eps)
+ global causal_conv1d_update, causal_conv1d_fn
+ causal_conv1d = lazy_load_kernel("causal-conv1d")
+ causal_conv1d_update = getattr(causal_conv1d, "causal_conv1d_update", None)
+ causal_conv1d_fn = getattr(causal_conv1d, "causal_conv1d_fn", None)
+
+ global selective_state_update, mamba_inner_fn, selective_scan_fn
+ mamba_ssm = lazy_load_kernel("mamba-ssm")
+ selective_state_update = getattr(mamba_ssm, "selective_state_update", None)
+ mamba_inner_fn = getattr(mamba_ssm, "mamba_inner_fn", None)
+ selective_scan_fn = getattr(mamba_ssm, "selective_scan_fn", None)
+
+ global is_fast_path_available
+ is_fast_path_available = all(
+ (selective_state_update, selective_scan_fn, causal_conv1d_fn, causal_conv1d_update, mamba_inner_fn)
+ )
+
if not is_fast_path_available:
logger.warning_once(
"The fast path is not available because on of `(selective_state_update, selective_scan_fn, causal_conv1d_fn, causal_conv1d_update, mamba_inner_fn)`"
diff --git a/src/transformers/models/jamba/modular_jamba.py b/src/transformers/models/jamba/modular_jamba.py
index 343dc19f9707..4bfdbc51c7ce 100644
--- a/src/transformers/models/jamba/modular_jamba.py
+++ b/src/transformers/models/jamba/modular_jamba.py
@@ -25,6 +25,7 @@
from ... import initialization as init
from ...activations import ACT2FN
+from ...integrations.hub_kernels import lazy_load_kernel
from ...masking_utils import create_causal_mask
from ...modeling_layers import GenericForSequenceClassification, GradientCheckpointingLayer
from ...modeling_outputs import MoeCausalLMOutputWithPast, MoeModelOutputWithPast
@@ -32,29 +33,12 @@
from ...processing_utils import Unpack
from ...utils import TransformersKwargs, auto_docstring, logging
from ...utils.generic import OutputRecorder, check_model_inputs
-from ...utils.import_utils import is_causal_conv1d_available, is_mamba_ssm_available
from ..llama.modeling_llama import LlamaAttention, LlamaRMSNorm, eager_attention_forward
from ..mistral.modeling_mistral import MistralMLP
from ..mixtral.modeling_mixtral import MixtralExperts, MixtralForCausalLM
from .configuration_jamba import JambaConfig
-if is_mamba_ssm_available():
- from mamba_ssm.ops.selective_scan_interface import mamba_inner_fn, selective_scan_fn
- from mamba_ssm.ops.triton.selective_state_update import selective_state_update
-else:
- selective_state_update, selective_scan_fn, mamba_inner_fn = None, None, None
-
-if is_causal_conv1d_available():
- from causal_conv1d import causal_conv1d_fn, causal_conv1d_update
-else:
- causal_conv1d_update, causal_conv1d_fn = None, None
-
-is_fast_path_available = all(
- (selective_state_update, selective_scan_fn, causal_conv1d_fn, causal_conv1d_update, mamba_inner_fn)
-)
-
-
logger = logging.get_logger(__name__)
@@ -258,6 +242,22 @@ def __init__(self, config: JambaConfig, layer_idx):
self.b_layernorm = JambaRMSNorm(self.ssm_state_size, eps=config.rms_norm_eps)
self.c_layernorm = JambaRMSNorm(self.ssm_state_size, eps=config.rms_norm_eps)
+ global causal_conv1d_update, causal_conv1d_fn
+ causal_conv1d = lazy_load_kernel("causal-conv1d")
+ causal_conv1d_update = getattr(causal_conv1d, "causal_conv1d_update", None)
+ causal_conv1d_fn = getattr(causal_conv1d, "causal_conv1d_fn", None)
+
+ global selective_state_update, mamba_inner_fn, selective_scan_fn
+ mamba_ssm = lazy_load_kernel("mamba-ssm")
+ selective_state_update = getattr(mamba_ssm, "selective_state_update", None)
+ mamba_inner_fn = getattr(mamba_ssm, "mamba_inner_fn", None)
+ selective_scan_fn = getattr(mamba_ssm, "selective_scan_fn", None)
+
+ global is_fast_path_available
+ is_fast_path_available = all(
+ (selective_state_update, selective_scan_fn, causal_conv1d_fn, causal_conv1d_update, mamba_inner_fn)
+ )
+
if not is_fast_path_available:
logger.warning_once(
"The fast path is not available because on of `(selective_state_update, selective_scan_fn, causal_conv1d_fn, causal_conv1d_update, mamba_inner_fn)`"
diff --git a/src/transformers/models/mamba2/modeling_mamba2.py b/src/transformers/models/mamba2/modeling_mamba2.py
index d2e7add0d4f3..caa370b5a309 100644
--- a/src/transformers/models/mamba2/modeling_mamba2.py
+++ b/src/transformers/models/mamba2/modeling_mamba2.py
@@ -24,6 +24,7 @@
from ... import initialization as init
from ...activations import ACT2FN
from ...generation import GenerationMixin
+from ...integrations.hub_kernels import lazy_load_kernel
from ...modeling_layers import GradientCheckpointingLayer
from ...modeling_utils import PreTrainedModel
from ...utils import (
@@ -31,35 +32,12 @@
auto_docstring,
logging,
)
-from ...utils.import_utils import is_causal_conv1d_available, is_mamba_2_ssm_available
from .configuration_mamba2 import Mamba2Config
logger = logging.get_logger(__name__)
-if is_mamba_2_ssm_available():
- from mamba_ssm.ops.triton.selective_state_update import selective_state_update
- from mamba_ssm.ops.triton.ssd_combined import mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined
-else:
- mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined, selective_state_update = None, None, None
-
-if is_causal_conv1d_available():
- from causal_conv1d import causal_conv1d_fn, causal_conv1d_update
-else:
- causal_conv1d_update, causal_conv1d_fn = None, None
-
-is_fast_path_available = all(
- (
- selective_state_update,
- mamba_chunk_scan_combined,
- mamba_split_conv1d_scan_combined,
- causal_conv1d_fn,
- causal_conv1d_update,
- )
-)
-
-
# Helper methods for segment sum computation
@@ -286,6 +264,28 @@ def __init__(self, config: Mamba2Config, layer_idx: int):
self.out_proj = nn.Linear(self.intermediate_size, self.hidden_size, bias=config.use_bias)
self.use_bias = config.use_bias
+ global causal_conv1d_update, causal_conv1d_fn
+ causal_conv1d = lazy_load_kernel("causal-conv1d")
+ causal_conv1d_update = getattr(causal_conv1d, "causal_conv1d_update", None)
+ causal_conv1d_fn = getattr(causal_conv1d, "causal_conv1d_fn", None)
+
+ global selective_state_update, mamba_chunk_scan_combined, mamba_split_conv1d_scan_combined
+ mamba_ssm = lazy_load_kernel("mamba-ssm")
+ selective_state_update = getattr(mamba_ssm, "selective_state_update", None)
+ mamba_chunk_scan_combined = getattr(mamba_ssm, "mamba_chunk_scan_combined", None)
+ mamba_split_conv1d_scan_combined = getattr(mamba_ssm, "mamba_split_conv1d_scan_combined", None)
+
+ global is_fast_path_available
+ is_fast_path_available = all(
+ (
+ selective_state_update,
+ mamba_chunk_scan_combined,
+ mamba_split_conv1d_scan_combined,
+ causal_conv1d_fn,
+ causal_conv1d_update,
+ )
+ )
+
if not is_fast_path_available:
logger.warning_once(
"The fast path is not available because one of `(selective_state_update, causal_conv1d_fn, causal_conv1d_update)`"
diff --git a/src/transformers/models/qwen3_next/modeling_qwen3_next.py b/src/transformers/models/qwen3_next/modeling_qwen3_next.py
index f67d83282696..535ec9a8a075 100644
--- a/src/transformers/models/qwen3_next/modeling_qwen3_next.py
+++ b/src/transformers/models/qwen3_next/modeling_qwen3_next.py
@@ -45,10 +45,7 @@
from ...processing_utils import Unpack
from ...utils import TransformersKwargs, auto_docstring, can_return_tuple, logging
from ...utils.generic import OutputRecorder, check_model_inputs, maybe_autocast
-from ...utils.import_utils import (
- is_causal_conv1d_available,
- is_flash_linear_attention_available,
-)
+from ...utils.import_utils import is_causal_conv1d_available, is_flash_linear_attention_available
from .configuration_qwen3_next import Qwen3NextConfig
|