Added grok-1 support

Author: Chillee

mixtral-moe/README.md

@@ -1,3 +1,12 @@
+# Grok-1 Support
+```
+export MODEL_REPO=hpcai-tech/grok-1
+python scripts/download.py --repo_id $MODEL_REPO
+python scripts/convert_hf_checkpoint.py --checkpoint_dir checkpoints/$MODEL_REPO
+python quantize.py --checkpoint_path checkpoints/$MODEL_REPO/model.pth --mode int8
+
+TOKENIZERS_PARALLELISM=false ENABLE_INTRA_NODE_COMM=1 time torchrun --standalone --nproc_per_node=8 generate.py  --checkpoint_path checkpoints/$MODEL_REPO/model_int8.pth   --compile --compile_prefill
+```
 # Mixtral 8x7B
 [Mixtral 8x7B](https://mistral.ai/news/mixtral-of-experts/) is a high-quality sparse mixture of experts (MoE) model that matches or beats GPT3.5 on most benchmarks. This repro is a simple and efficient PyTorch native implementation of Mixtral 8x7B.
 

mixtral-moe/generate.py

@@ -131,7 +131,7 @@ def generate(
 def encode_tokens(tokenizer, string, bos=True, device='cuda'):
     tokens = tokenizer.encode(string)
     if bos:
-        tokens = [tokenizer.bos_id()] + tokens
+        tokens = [tokenizer.bos_token_id] + tokens
     return torch.tensor(tokens, dtype=torch.int, device=device)
 
 def _load_model(checkpoint_path, device, precision, use_tp):
@@ -174,7 +174,7 @@ def main(
     """
     assert checkpoint_path.is_file(), checkpoint_path
 
-    tokenizer_path = checkpoint_path.parent / "tokenizer.model"
+    tokenizer_path = checkpoint_path.parent / "tokenizer.json"
     assert tokenizer_path.is_file(), str(tokenizer_path)
 
     global print
@@ -196,7 +196,9 @@ def main(
     device_sync(device=device) # MKG
     print(f"Time to load model: {time.time() - t0:.02f} seconds")
 
-    tokenizer = SentencePieceProcessor(model_file=str(tokenizer_path))
+    # tokenizer = SentencePieceProcessor(model_file=str(tokenizer_path))
+    from transformers import AutoTokenizer
+    tokenizer = AutoTokenizer.from_pretrained("hpcai-tech/grok-1", trust_remote_code=True)
     encoded = encode_tokens(tokenizer, prompt, bos=True, device=device)
     prompt_length = encoded.size(0)
 
@@ -235,7 +237,7 @@ def callback(x):
                 if done_generating:
                     return
                 buffer.append(tokenizer.decode([period_id] + x.tolist())[1:])
-                if x.item() == tokenizer.eos_id():
+                if x.item() == tokenizer.eos_token_id:
                     done_generating = True
                 if len(buffer) == 4 or done_generating:
                     print(''.join(buffer), end='', flush=True)

mixtral-moe/model.py

@@ -50,9 +50,14 @@ def from_name(cls, name: str):
         assert len(config) == 1, name
         return cls(**transformer_configs[config[0]])
 
+attn_output_multiplier = 0.08838834764831845
+embedding_multiplier_scale = 78.38367176906169
+output_multiplier_scale = 0.5773502691896257
+max_attn_val = 30.0
 
 transformer_configs = {
     "Mixtral-8x7B-v0.1": dict(block_size=32768, n_layer=32, n_head=32, n_local_heads=8, dim=4096, intermediate_size=14336, rope_base=1000000.0, num_experts=8, num_activated_experts=2),
+    "grok-1": dict(vocab_size=131072, block_size=8192, n_layer=64, n_head=48, n_local_heads=8, dim=6144, intermediate_size=32768, rope_base=1000000.0, num_experts=8, num_activated_experts=2),
 }
 
 class KVCache(nn.Module):
@@ -106,11 +111,13 @@ def forward(self, idx: Tensor, input_pos: Optional[Tensor] = None) -> Tensor:
         mask = self.causal_mask[None, None, input_pos]
         freqs_cis = self.freqs_cis[input_pos]
         x = self.tok_embeddings(idx)
+        x *= embedding_multiplier_scale
 
         for i, layer in enumerate(self.layers):
             x = layer(x, input_pos, freqs_cis, mask)
         x = self.norm(x)
         logits = self.output(x)
+        logits *= output_multiplier_scale
         return logits
 
     @classmethod
@@ -123,12 +130,14 @@ def __init__(self, config: ModelArgs) -> None:
         super().__init__()
         self.attention = Attention(config)
         self.block_sparse_moe = MOEFeedForward(config)
-        self.ffn_norm = RMSNorm(config.dim, config.norm_eps)
-        self.attention_norm = RMSNorm(config.dim, config.norm_eps)
+        self.pre_moe_norm = RMSNorm(config.dim, config.norm_eps)
+        self.post_moe_norm = RMSNorm(config.dim, config.norm_eps)
+        self.post_attn_norm = RMSNorm(config.dim, config.norm_eps)
+        self.pre_attn_norm = RMSNorm(config.dim, config.norm_eps)
 
     def forward(self, x: Tensor, input_pos: Tensor, freqs_cis: Tensor, mask: Tensor) -> Tensor:
-        h = x + self.attention(self.attention_norm(x), freqs_cis, mask, input_pos)
-        out = h + self.block_sparse_moe(self.ffn_norm(h))
+        h = x + self.post_attn_norm(self.attention(self.pre_attn_norm(x), freqs_cis, mask, input_pos))
+        out = h + self.post_moe_norm(self.block_sparse_moe(self.pre_moe_norm(h)))
         return out
 
 
@@ -160,7 +169,8 @@ def forward(self, x: Tensor, freqs_cis: Tensor, mask: Tensor, input_pos: Optiona
         bsz, seqlen, _ = x.shape
 
         kv_size = self.n_local_heads * self.head_dim
-        q, k, v = self.wqkv(x).split([self.dim, kv_size, kv_size], dim=-1)
+        qkv = self.wqkv(x)
+        q, k, v = qkv.split([self.dim, kv_size, kv_size], dim=-1)
 
         q = q.view(bsz, seqlen, self.n_head, self.head_dim)
         k = k.view(bsz, seqlen, self.n_local_heads, self.head_dim)
@@ -176,7 +186,13 @@ def forward(self, x: Tensor, freqs_cis: Tensor, mask: Tensor, input_pos: Optiona
 
         k = k.repeat_interleave(self.n_head // self.n_local_heads, dim=1)
         v = v.repeat_interleave(self.n_head // self.n_local_heads, dim=1)
-        y = F.scaled_dot_product_attention(q, k, v, attn_mask=mask, dropout_p=0.0)
+        attn_weights = torch.matmul(q, k.transpose(2, 3)).to(torch.float32)
+        attn_weights = attn_weights * attn_output_multiplier
+        attn_weights = max_attn_val * F.tanh(attn_weights / max_attn_val)
+        attn_weights += torch.where(mask, 0, -float("inf"))
+        attn_weights = F.softmax(attn_weights, dim=-1).to(q.dtype)
+        y = torch.matmul(attn_weights, v)
+        # y = F.scaled_dot_product_attention(q, k, v, attn_mask=mask, dropout_p=0.0)
 
         y = y.transpose(1, 2).contiguous().view(bsz, seqlen, self.dim)
 

mixtral-moe/scripts/convert_hf_checkpoint.py

@@ -32,42 +32,52 @@ def convert_hf_checkpoint(
     print(f"Model config {config.__dict__}")
 
     weight_map = {
-        "tok_embeddings.weight": "tok_embeddings.weight",
-        "layers.{}.attention.wq.weight": "layers.{}.attention.wq.weight",
-        "layers.{}.attention.wk.weight": "layers.{}.attention.wk.weight",
-        "layers.{}.attention.wv.weight": "layers.{}.attention.wv.weight",
-        "layers.{}.attention.wo.weight": "layers.{}.attention.wo.weight",
-        "layers.{}.block_sparse_moe.w1": "layers.{}.block_sparse_moe.cond_ffn.w1",
-        "layers.{}.block_sparse_moe.w2": "layers.{}.block_sparse_moe.cond_ffn.w2",
-        "layers.{}.block_sparse_moe.w3": "layers.{}.block_sparse_moe.cond_ffn.w3",
-        "layers.{}.block_sparse_moe.gate.weight": "layers.{}.block_sparse_moe.gate.weight",
-        "layers.{}.attention_norm.weight": "layers.{}.attention_norm.weight",
-        "layers.{}.ffn_norm.weight": "layers.{}.ffn_norm.weight",
-        "norm.weight": "norm.weight",
-        "output.weight": "output.weight",
+        "model.embed_tokens.weight": "tok_embeddings.weight",
+        "model.layers.{}.attn.q_proj.weight": "layers.{}.attention.wq.weight",
+        "model.layers.{}.attn.k_proj.weight": "layers.{}.attention.wk.weight",
+        "model.layers.{}.attn.v_proj.weight": "layers.{}.attention.wv.weight",
+        "model.layers.{}.attn.o_proj.weight": "layers.{}.attention.wo.weight",
+        # "layers.{}.attention.wk.weight": "layers.{}.attention.wk.weight",
+        # "layers.{}.attention.wv.weight": "layers.{}.attention.wv.weight",
+        # "layers.{}.attention.wo.weight": "layers.{}.attention.wo.weight",
+        "model.layers.{}.moe_block.experts.{}.linear.weight": "layers.{}.block_sparse_moe.cond_ffn.w1.{}",
+        "model.layers.{}.moe_block.experts.{}.linear_1.weight": "layers.{}.block_sparse_moe.cond_ffn.w2.{}",
+        "model.layers.{}.moe_block.experts.{}.linear_v.weight": "layers.{}.block_sparse_moe.cond_ffn.w3.{}",
+        "model.layers.{}.moe_block.gate.weight": "layers.{}.block_sparse_moe.gate.weight",
+        "model.layers.{}.pre_attn_norm.scale": "layers.{}.pre_attn_norm.weight",
+        "model.layers.{}.post_attn_norm.scale": "layers.{}.post_attn_norm.weight",
+        "model.layers.{}.pre_moe_norm.scale": "layers.{}.pre_moe_norm.weight",
+        "model.layers.{}.post_moe_norm.scale": "layers.{}.post_moe_norm.weight",
+        "model.norm.scale": "norm.weight",
+        "lm_head.weight": "output.weight",
     }
 
-    pt_files = glob.glob(str(checkpoint_dir / "*.pt"))
+    pt_files = glob.glob(str(checkpoint_dir / "*.bin"))
 
     merged_result = {}
     for file in sorted(pt_files):
         state_dict = torch.load(str(file), map_location="cpu", mmap=True, weights_only=True)
         merged_result.update(state_dict)
     final_result = {}
-    for key, value in merged_result.items():
+    for key, value in list(merged_result.items()):
         if "layers" in key:
-            abstract_key = re.sub(r'.(\d+).', '.{}.', key)
-            layer_num = re.search(r'\d+', key).group(0)
+            abstract_key = re.sub(r'\.(\d+)\.', '.{}.', key)
+            nums = re.findall(r'\d+', key)
+            if abstract_key not in weight_map:
+                continue
             new_key = weight_map[abstract_key]
             if new_key is None:
                 continue
-            new_key = new_key.format(layer_num)
+            new_key = new_key.format(*nums)
         else:
+            if key not in weight_map:
+                continue
             new_key = weight_map[key]
-
         final_result[new_key] = value
+        del merged_result[key]
 
     for key in tuple(final_result.keys()):
+        print(key)
         if "wq" in key:
             q = final_result[key]
             k = final_result[key.replace("wq", "wk")]
@@ -77,9 +87,21 @@ def convert_hf_checkpoint(
             del final_result[key.replace("wq", "wk")]
             del final_result[key.replace("wq", "wv")]
         elif "w1" in key or "w3" in key:
-            final_result[key] = final_result[key].reshape(config.num_experts, config.intermediate_size, config.dim).contiguous()
+            if not key.endswith('0'):
+                continue
+            full_keys = [key[:-1] + str(i) for i in range(8)]
+            results = [final_result[k] for k in full_keys]
+            final_result[key[:-2]] = torch.stack(results, dim=0)
+            for k in full_keys:
+                del final_result[k]
         elif "w2" in key:
-            final_result[key] = final_result[key].reshape(config.num_experts, config.intermediate_size, config.dim).permute(0, 2, 1).contiguous()
+            if not key.endswith('0'):
+                continue
+            full_keys = [key[:-1] + str(i) for i in range(8)]
+            results = [final_result[k] for k in full_keys]
+            final_result[key[:-2]] = torch.stack(results, dim=0)
+            for k in full_keys:
+                del final_result[k]
         elif "gate" in key:
             final_result[key] = final_result[key].contiguous()