config.json

{
  "_name_or_path": "nvidia/Hymba-1.5B-Instruct",
  "architectures": [
    "HymbaForCausalLM"
  ],
  "attention_dropout": 0.0,
  "attn_hidden_size": -1,
  "attn_implementation": "flex",
  "attn_implementation_new": "flex",
  "auto_map": {
    "AutoConfig": "nvidia/Hymba-1.5B-Instruct--configuration_hymba.HymbaConfig",
    "AutoModelForCausalLM": "nvidia/Hymba-1.5B-Instruct--modeling_hymba.HymbaForCausalLM"
  },
  "bos_token_id": 1,
  "calc_logits_for_entire_prompt": false,
  "conv_dim": {
    "0": 32,
    "1": 32,
    "2": 32
  },
  "eos_token_id": 2,
  "global_attn_idx": [
    0,
    15,
    31
  ],
  "hidden_act": "silu",
  "hidden_size": 16,
  "initializer_range": 0.02,
  "intermediate_size": 32,
  "kq_head_dim": -1,
  "kq_norm": "none",
  "kv_reuse_every_i_layer": -1,
  "kv_reuse_group": [
    [
      1,
      2
    ],
    [
      3,
      4
    ],
    [
      5,
      6
    ],
    [
      7,
      8
    ],
    [
      9,
      10
    ],
    [
      11,
      12
    ],
    [
      13,
      14
    ],
    [
      16,
      17,
      18
    ],
    [
      19,
      20
    ],
    [
      21,
      22
    ],
    [
      23,
      24
    ],
    [
      25,
      26
    ],
    [
      27,
      28
    ],
    [
      29,
      30
    ]
  ],
  "kv_weight_reuse": false,
  "layer_type": [
    "h",
    "h",
    "h"
  ],
  "mamba_conv_bias": true,
  "mamba_d_conv": 4,
  "mamba_d_state": 16,
  "mamba_dt_rank": 100,
  "mamba_expand": 2,
  "mamba_inner_layernorms": true,
  "mamba_proj_bias": false,
  "max_position_embeddings": 8192,
  "memory_tokens_interspersed_every": 0,
  "mlp_hidden_act": "silu",
  "model_type": "hymba",
  "num_attention_heads": 2,
  "num_experts": 1,
  "num_experts_per_tok": 1,
  "num_hidden_layers": 3,
  "num_key_value_heads": 1,
  "num_mamba": 1,
  "num_memory_tokens": 128,
  "orig_max_position_embeddings": 2048,
  "output_router_logits": false,
  "pad_token_id": 0,
  "rms_norm_eps": 1e-06,
  "rope": true,
  "rope_theta": 10000.0,
  "rope_type": "ntk",
  "router_aux_loss_coef": 0.001,
  "seq_length": 8192,
  "sliding_window": 1024,
  "tie_word_embeddings": true,
  "torch_dtype": "bfloat16",
  "transformers_version": "4.46.3",
  "use_cache": false,
  "use_mamba_kernels": true,
  "v_head_dim": 16,
  "vocab_size": 32001
}