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config.json ADDED
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+ {
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+ "_name_or_path": "Mini-Jamba",
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+ "architectures": [
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+ "JambaForCausalLM"
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+ ],
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+ "attention_dropout": 0.0,
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+ "attn_layer_offset": 1,
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+ "attn_layer_period": 3,
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+ "auto_map": {
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+ "AutoConfig": "configuration_jamba.JambaConfig",
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+ "AutoModel": "modeling_jamba.JambaModel",
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+ "AutoModelForCausalLM": "modeling_jamba.JambaForCausalLM",
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+ "AutoModelForSequenceClassification": "model.JambaForSequenceClassification"
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+ },
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+ "bos_token_id": 1,
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+ "calc_logits_for_entire_prompt": false,
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+ "eos_token_id": 2,
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+ "expert_layer_offset": 1,
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+ "expert_layer_period": 2,
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+ "hidden_act": "silu",
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+ "hidden_size": 256,
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+ "initializer_range": 0.02,
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+ "intermediate_size": 512,
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+ "mamba_conv_bias": true,
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+ "mamba_d_conv": 4,
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+ "mamba_d_state": 16,
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+ "mamba_dt_rank": 256,
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+ "mamba_expand": 2,
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+ "mamba_inner_layernorms": true,
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+ "mamba_proj_bias": false,
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+ "model_type": "jamba",
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+ "n_ctx": 262144,
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+ "num_attention_heads": 8,
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+ "num_experts": 8,
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+ "num_experts_per_tok": 2,
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+ "num_hidden_layers": 16,
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+ "num_key_value_heads": 8,
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+ "output_router_logits": false,
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+ "pad_token_id": 0,
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+ "rms_norm_eps": 1e-06,
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+ "router_aux_loss_coef": 0.001,
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+ "sliding_window": null,
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+ "tie_word_embeddings": false,
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+ "torch_dtype": "bfloat16",
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+ "transformers_version": "4.39.1",
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+ "use_cache": true,
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+ "use_mamba_kernels": true,
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+ "vocab_size": 65536
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+ }
configuration_jamba.py ADDED
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+ # coding=utf-8
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+ # Copyright 2024 AI21 Labs Ltd. and the HuggingFace Inc. team. All rights reserved.
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+ #
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+ # Licensed under the Apache License, Version 2.0 (the "License");
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+ # you may not use this file except in compliance with the License.
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+ # You may obtain a copy of the License at
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+ #
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+ # http://www.apache.org/licenses/LICENSE-2.0
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+ #
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+ # Unless required by applicable law or agreed to in writing, software
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+ # distributed under the License is distributed on an "AS IS" BASIS,
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+ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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+ # See the License for the specific language governing permissions and
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+ # limitations under the License.
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+ """ Jamba model configuration"""
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+ import math
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+
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+ from transformers.configuration_utils import PretrainedConfig
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+ from transformers.utils import logging
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+
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+
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+ logger = logging.get_logger(__name__)
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+
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+
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+ class JambaConfig(PretrainedConfig):
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+ r"""
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+ This is the configuration class to store the configuration of a [`JambaModel`]. It is used to instantiate a
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+ Jamba model according to the specified arguments, defining the model architecture. Instantiating a configuration
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+ with the defaults will yield a similar configuration to that of the jamba-small architecture.
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+
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+ [ai21labs/jamba-small](https://huggingface.co/ai21labs/Jamba-v0.1)
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+
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+ Configuration objects inherit from [`PretrainedConfig`] and can be used to control the model outputs. Read the
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+ documentation from [`PretrainedConfig`] for more information.
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+
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+
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+ Args:
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+ vocab_size (`int`, *optional*, defaults to 65536):
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+ Vocabulary size of the Jamba model. Defines the number of different tokens that can be represented by the
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+ `inputs_ids` passed when calling [`JambaModel`]
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+ tie_word_embeddings (`bool`, *optional*, defaults to `False`):
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+ Whether the model's input and output word embeddings should be tied. Note that this is only relevant if the
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+ model has a output word embedding layer.
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+ hidden_size (`int`, *optional*, defaults to 4096):
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+ Dimension of the hidden representations.
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+ intermediate_size (`int`, *optional*, defaults to 14336):
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+ Dimension of the MLP representations.
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+ num_hidden_layers (`int`, *optional*, defaults to 32):
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+ Number of hidden layers in the Transformer encoder.
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+ num_attention_heads (`int`, *optional*, defaults to 32):
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+ Number of attention heads for each attention layer in the Transformer encoder.
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+ num_key_value_heads (`int`, *optional*, defaults to 8):
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+ This is the number of key_value heads that should be used to implement Grouped Query Attention. If
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+ `num_key_value_heads=num_attention_heads`, the model will use Multi Head Attention (MHA), if
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+ `num_key_value_heads=1 the model will use Multi Query Attention (MQA) otherwise GQA is used. When
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+ converting a multi-head checkpoint to a GQA checkpoint, each group key and value head should be constructed
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+ by meanpooling all the original heads within that group. For more details checkout [this
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+ paper](https://arxiv.org/pdf/2305.13245.pdf). If it is not specified, will default to `8`.
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+ hidden_act (`str` or `function`, *optional*, defaults to `"silu"`):
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+ The non-linear activation function (function or string) in the decoder.
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+ initializer_range (`float`, *optional*, defaults to 0.02):
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+ The standard deviation of the truncated_normal_initializer for initializing all weight matrices.
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+ rms_norm_eps (`float`, *optional*, defaults to 1e-06):
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+ The epsilon used by the rms normalization layers.
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+ use_cache (`bool`, *optional*, defaults to `True`):
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+ Whether or not the model should return the last key/values attentions (not used by all models). Only
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+ relevant if `config.is_decoder=True`.
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+ calc_logits_for_entire_prompt (`bool`, *optional*, defaults to `False`):
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+ Whether or not to calculate logits for entire prompt during generation. If `False`, only the logits of the
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+ last prompt token will be calculated, which are the only logits needed for generation. For long sequences,
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+ the logits for the entire sequence may use a lot of memory so setting `calc_logits_for_entire_prompt=False`
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+ will reduce memory footprint significantly.
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+ Note: some generation features may not be available if this is set to `False`.
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+ output_router_logits (`bool`, *optional*, defaults to `False`):
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+ Whether or not the router logits should be returned by the model. Enabling this will also
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+ allow the model to output the auxiliary loss. See [here]() for more details
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+ router_aux_loss_coef (`float`, *optional*, defaults to 0.001):
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+ The aux loss factor for the total loss.
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+ pad_token_id (`int`, *optional*, defaults to 0):
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+ The id of the padding token.
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+ bos_token_id (`int`, *optional*, defaults to 1):
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+ The id of the "beginning-of-sequence" token.
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+ eos_token_id (`int`, *optional*, defaults to 2):
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+ The id of the "end-of-sequence" token.
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+ sliding_window (`int`, *optional*):
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+ Sliding window attention window size. If not specified, will default to `None`.
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+ n_ctx (`int`, *optional*, defaults to 262144):
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+ This value doesn't have any real effect. The maximum sequence length that this model is intended to be
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+ used with. It can be used with longer sequences, but performance may degrade.
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+ attention_dropout (`float`, *optional*, defaults to 0.0):
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+ The dropout ratio for the attention probabilities.
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+ num_experts_per_tok (`int`, *optional*, defaults to 2):
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+ The number of experts to root per-token, can be also interpreted as the `top-p` routing
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+ parameter
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+ num_experts (`int`, *optional*, defaults to 16):
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+ Number of experts per Sparse MLP layer.
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+ expert_layer_period (`int`, *optional*, defaults to 2):
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+ Once in this many layers, we will have an expert layer
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+ expert_layer_offset (`int`, *optional*, defaults to 1):
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+ The first layer index that contains an expert mlp layer
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+ attn_layer_period (`int`, *optional*, defaults to 8):
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+ Once in this many layers, we will have a vanilla attention layer
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+ attn_layer_offset (`int`, *optional*, defaults to 4):
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+ The first layer index that contains a vanilla attention mlp layer
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+ use_mamba_kernels (`bool`, *optional*, defaults to `True`):
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+ Flag indicating whether or not to use the fast mamba kernels. These are available only if `mamba-ssm` and
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+ `causal-conv1d` are installed, and the mamba modules are running on a CUDA device. Raises ValueError if
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+ `True` and kernels are not available
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+ mamba_d_state (`int`, *optional*, defaults to 16):
110
+ The dimension the mamba state space latents
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+ mamba_d_conv (`int`, *optional*, defaults to 4):
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+ The size of the mamba convolution kernel
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+ mamba_expand (`int`, *optional*, defaults to 2):
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+ Expanding factor (relative to hidden_size) used to determine the mamba intermediate size
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+ mamba_dt_rank (`Union[int,str]`, *optional*, defaults to `"auto"`):
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+ Rank of the the mamba discretization projection matrix. `"auto"` means that it will default to `math.ceil(self.hidden_size / 16)`
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+ mamba_conv_bias (`bool`, *optional*, defaults to `True`):
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+ Flag indicating whether or not to use bias in the convolution layer of the mamba mixer block.
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+ mamba_proj_bias (`bool`, *optional*, defaults to `False`):
120
+ Flag indicating whether or not to use bias in the input and output projections (["in_proj", "out_proj"]) of the mamba mixer block
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+ mamba_inner_layernorms (`bool`, *optional*, defaults to `True`):
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+ Flag indicating whether or not to apply layernorms to internal mamba activations
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+
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+ """
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+
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+ model_type = "jamba"
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+ keys_to_ignore_at_inference = ["past_key_values"]
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+
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+ def __init__(
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+ self,
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+ vocab_size=65536,
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+ tie_word_embeddings=False,
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+ hidden_size=4096,
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+ intermediate_size=14336,
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+ num_hidden_layers=32,
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+ num_attention_heads=32,
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+ num_key_value_heads=8,
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+ hidden_act="silu",
139
+ initializer_range=0.02,
140
+ rms_norm_eps=1e-6,
141
+ use_cache=True,
142
+ calc_logits_for_entire_prompt=False,
143
+ output_router_logits=False,
144
+ router_aux_loss_coef=0.001,
145
+ pad_token_id=0,
146
+ bos_token_id=1,
147
+ eos_token_id=2,
148
+ sliding_window=None,
149
+ n_ctx=262144,
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+ attention_dropout=0.0,
151
+ num_experts_per_tok=2,
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+ num_experts=16,
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+ expert_layer_period=2,
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+ expert_layer_offset=1,
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+ attn_layer_period=8,
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+ attn_layer_offset=4,
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+ use_mamba_kernels=True,
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+ mamba_d_state=16,
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+ mamba_d_conv=4,
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+ mamba_expand=2,
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+ mamba_dt_rank="auto",
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+ mamba_conv_bias=True,
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+ mamba_proj_bias=False,
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+ mamba_inner_layernorms=True,
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+ **kwargs,
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+ ):
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+ self.vocab_size = vocab_size
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+ self.tie_word_embeddings = tie_word_embeddings
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+ self.hidden_size = hidden_size
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+ self.intermediate_size = intermediate_size
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+ self.num_hidden_layers = num_hidden_layers
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+ self.num_attention_heads = num_attention_heads
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+ self.sliding_window = sliding_window
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+ self.n_ctx = n_ctx
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+ self.attention_dropout = attention_dropout
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+
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+ # for backward compatibility
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+ if num_key_value_heads is None:
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+ num_key_value_heads = num_attention_heads
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+
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+ self.num_key_value_heads = num_key_value_heads
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+ self.hidden_act = hidden_act
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+ self.initializer_range = initializer_range
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+ self.rms_norm_eps = rms_norm_eps
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+
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+ self.use_cache = use_cache
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+ self.calc_logits_for_entire_prompt = calc_logits_for_entire_prompt
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+ self.output_router_logits = output_router_logits
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+ self.router_aux_loss_coef = router_aux_loss_coef
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+
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+ self.num_experts_per_tok = num_experts_per_tok
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+ self.num_experts = num_experts
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+ self.expert_layer_period = expert_layer_period
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+ self.expert_layer_offset = expert_layer_offset
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+ self.attn_layer_period = attn_layer_period
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+ self.attn_layer_offset = attn_layer_offset
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+
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+ self.use_mamba_kernels = use_mamba_kernels
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+ self.mamba_d_state = mamba_d_state
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+ self.mamba_d_conv = mamba_d_conv
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+ self.mamba_expand = mamba_expand
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+ self.mamba_dt_rank = math.ceil(self.hidden_size / 16) if mamba_dt_rank == "auto" else mamba_dt_rank
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+ self.mamba_conv_bias = mamba_conv_bias
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+ self.mamba_proj_bias = mamba_proj_bias
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+ self.mamba_inner_layernorms = mamba_inner_layernorms
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+
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+ super().__init__(
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+ pad_token_id=pad_token_id,
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+ bos_token_id=bos_token_id,
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+ eos_token_id=eos_token_id,
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+ tie_word_embeddings=tie_word_embeddings,
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+ **kwargs,
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+ )
generation_config.json ADDED
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+ {
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+ "_from_model_config": true,
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+ "bos_token_id": 1,
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+ "eos_token_id": 2,
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+ "pad_token_id": 0,
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+ "transformers_version": "4.40.0.dev0"
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+ }
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modeling_jamba.py ADDED
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special_tokens_map.json ADDED
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+ },
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+ "bos_token": "<|startoftext|>",
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+ "clean_up_tokenization_spaces": false,
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+ "eos_token": "<|endoftext|>",
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+ "model_max_length": 1000000000000000019884624838656,
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+ "pad_token": "<|pad|>",
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+ "tokenizer_class": "LlamaTokenizer",
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+ "use_default_system_prompt": false
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+ }