Add support for the phi-hermes finetuned model. (#1192)

candle-transformers/src/models/mixformer.rs

@@ -73,6 +73,23 @@ impl Config {
             pad_vocab_size_multiple: 64,
         }
     }
+
+    // https://huggingface.co/teknium/Phi-Hermes-1.3B/blob/main/config.json
+    pub fn phi_hermes_1_3b() -> Self {
+        Self {
+            vocab_size: 50304,
+            n_positions: 2048,
+            n_embd: 2048,
+            n_layer: 24,
+            n_inner: None,
+            n_head: 32,
+            rotary_dim: usize::min(32, 2048 / 32),
+            activation_function: Activation::NewGelu,
+            layer_norm_epsilon: 1e-5,
+            tie_word_embeddings: false,
+            pad_vocab_size_multiple: 64,
+        }
+    }
 }
 
 #[derive(Debug, Clone)]