deepseek-community/Janus-Pro-1B
Original1.9Bparameters
Fixture81.9Mparameters
Layer stacks4compared
Findings0to review
✓ Same architecture, smaller
Every module class, layer kind and checked property of the original is in the fixture.
Layer stacks
One square per layer, colored by kind: the layer's module classes and type attributes. Hover a square for its index and kind.
model.vision_model.encoder.layers
Original · 24
Fixture · 2
| Kind | Original | Fixture | |
|---|---|---|---|
| VisionEncoderLayer | 24 | 2 | ✓ kept |
model.vqmodel.encoder.down
Original · 5
Fixture · 5
| Kind | Original | Fixture | |
|---|---|---|---|
| VQVAEConvDownsample | 4 | 4 | ✓ kept |
| VQVAEAttnBlock | 1 | 1 | ✓ kept |
model.vqmodel.decoder.up
Original · 5
Fixture · 5
| Kind | Original | Fixture | |
|---|---|---|---|
| VQVAEAttnBlock, VQVAEConvUpsample | 1 | 1 | ✓ kept |
| VQVAEConvUpsample | 3 | 3 | ✓ kept |
| no VQVAEAttnBlock | 1 | 1 | ✓ kept |
model.language_model.layers
Original · 24
Fixture · 2
| Kind | Original | Fixture | |
|---|---|---|---|
| LlamaDecoderLayer | 24 | 2 | ✓ kept |
Where the parameters are
Share of each model's parameters per component. Vocabulary and patch sizes are kept, so embeddings usually take a larger share of the fixture.
Original
Fixture
| Component | Original | Share | Fixture | Share |
|---|---|---|---|---|
| model.language_model.layers | 1.2B | 66.1% | 82.2K | 0.1% |
| model.vision_model.encoder.layers | 302.3M | 16.2% | 100.0K | 0.1% |
| model.language_model | 209.7M | 11.2% | 6.6M | 8.0% |
| model.generation_head | 37.8M | 2.0% | 1.2M | 1.5% |
| model.vqmodel.decoder.up | 30.8M | 1.6% | 30.8M | 37.6% |
| model.vqmodel | 23.5M | 1.3% | 24.4M | 29.8% |
| model.vqmodel.encoder.down | 17.6M | 0.9% | 17.6M | 21.5% |
| 4 others | 12.0M | 0.6% | 1.2M | 1.4% |
Preserved properties
| Config | Property | Original | Fixture | |
|---|---|---|---|---|
| model | model_type | janus | janus | ✓ kept |
| model | tie_word_embeddings | True | True | ✓ kept |
| text_config | attention style | MHA (16 heads, 16 KV) | MHA (4 heads, 4 KV) | ✓ kept |
| text_config | RoPE type | default | default | ✓ kept |
| text_config | model_type | llama | llama | ✓ kept |
| text_config | vocab_size | 102400 | 102400 | ✓ kept |
| text_config | tie_word_embeddings | False | False | ✓ kept |
| text_config | hidden_act | silu | silu | ✓ kept |
| text_config | max_position_embeddings | 16384 | 16384 | ✓ kept |
| vision_config | model_type | janus_vision_model | janus_vision_model | ✓ kept |
| vision_config | hidden_act | gelu | gelu | ✓ kept |
| vision_config | image_size | 384 | 384 | ✓ kept |
| vision_config | patch_size | 16 | 16 | ✓ kept |
| vision_config | num_channels | 3 | 3 | ✓ kept |
| vq_config | model_type | janus_vqgan | janus_vqgan | ✓ kept |
| vq_config | hidden_act | gelu | gelu | ✓ kept |
Module classes
Instances of each class in the built model (prefix Janus omitted).
| Class | Original | Fixture |
|---|---|---|
| Linear | 319 | 33 |
| Conv2d | 105 | 105 |
| Dropout | 77 | 33 |
| Identity | 72 | 6 |
| GroupNorm | 67 | 67 |
| LayerNorm | 49 | 5 |
| LlamaRMSNorm | 49 | 5 |
| VQVAEResnetBlock | 29 | 29 |
| GELUActivation | 27 | 5 |
| ModuleList | 26 | 26 |
| VisionAttention | 24 | 2 |
| VisionEncoderLayer | 24 | 2 |
| VisionMLP | 24 | 2 |
| LlamaAttention | 24 | 2 |
| LlamaDecoderLayer | 24 | 2 |
| LlamaMLP | 24 | 2 |
| SiLUActivation | 24 | 2 |
| Module | 10 | 10 |
| VQVAEAttnBlock | 7 | 7 |
| Embedding | 4 | 4 |
| VQVAEConvDownsample | 4 | 4 |
| VQVAEConvUpsample | 4 | 4 |
| VQVAEMidBlock | 2 | 2 |
| ForConditionalGeneration | 1 | 1 |
| Model | 1 | 1 |
| VQVAE | 1 | 1 |
| VQVAEAlignerMLP | 1 | 1 |
| VQVAEDecoder | 1 | 1 |
| VQVAEEncoder | 1 | 1 |
| VQVAEHead | 1 | 1 |
| VQVAEVectorQuantizer | 1 | 1 |
| VisionAlignerMLP | 1 | 1 |
| VisionEmbeddings | 1 | 1 |
| VisionEncoder | 1 | 1 |
| VisionModel | 1 | 1 |
| LlamaModel | 1 | 1 |
| LlamaRotaryEmbedding | 1 | 1 |
Config changes
12 fields changed, 82 unchanged.
| Field | Original | Fixture |
|---|---|---|
| text_config.head_dim | 128 | 16 |
| text_config.hidden_size | 2048 | 64 |
| text_config.intermediate_size | 5632 | 128 |
| text_config.num_attention_heads | 16 | 4 |
| text_config.num_hidden_layers | 24 | 2 |
| text_config.num_key_value_heads | 16 | 4 |
| vision_config.hidden_size | 1024 | 64 |
| vision_config.num_attention_heads | 16 | 4 |
| vision_config.num_hidden_layers | 24 | 2 |
| vision_config.projection_dim | 2048 | 64 |
| vq_config.embed_dim | 8 | 64 |
| vq_config.projection_dim | 2048 | 64 |