diff --git a/src/transformers/generation/stopping_criteria.py b/src/transformers/generation/stopping_criteria.py
index 44c040ca6a..dddb08bbaf 100644
--- a/src/transformers/generation/stopping_criteria.py
+++ b/src/transformers/generation/stopping_criteria.py
@@ -481,6 +481,7 @@ class EosTokenCriteria(StoppingCriteria):
 
     @add_start_docstrings(STOPPING_CRITERIA_INPUTS_DOCSTRING)
     def __call__(self, input_ids: torch.LongTensor, scores: torch.FloatTensor, **kwargs) -> torch.BoolTensor:
+        self.eos_token_id = self.eos_token_id.to(input_ids.device)
         if input_ids.device.type == "mps":
             # https://github.com/pytorch/pytorch/issues/77764#issuecomment-2067838075
             is_done = (
@@ -492,7 +493,7 @@ class EosTokenCriteria(StoppingCriteria):
                 .squeeze()
             )
         else:
-            is_done = torch.isin(input_ids[:, -1], self.eos_token_id.to(input_ids.device))
+            is_done = torch.isin(input_ids[:, -1], self.eos_token_id)
         return is_done
 
 
diff --git a/src/transformers/generation/utils.py b/src/transformers/generation/utils.py
index 1633e41021..fe3abed3af 100644
--- a/src/transformers/generation/utils.py
+++ b/src/transformers/generation/utils.py
@@ -16,6 +16,7 @@
 
 import copy
 import inspect
+import json
 import warnings
 from dataclasses import dataclass
 from typing import TYPE_CHECKING, Any, Callable, Dict, List, Optional, Tuple, Union
@@ -2471,6 +2472,13 @@ class GenerationMixin:
         >>> tokenizer.batch_decode(outputs, skip_special_tokens=True)
         ["It might be possible to get a better understanding of the nature of the problem, but it's not"]
         ```"""
+        import datetime
+        from collections import OrderedDict
+        timing = OrderedDict()
+
+        torch.cuda.synchronize()
+        s_gen = datetime.datetime.now()
+        s = datetime.datetime.now()
         # init values
         logits_processor = logits_processor if logits_processor is not None else LogitsProcessorList()
         stopping_criteria = stopping_criteria if stopping_criteria is not None else StoppingCriteriaList()
@@ -2536,10 +2544,65 @@ class GenerationMixin:
         unfinished_sequences = torch.ones(batch_size, dtype=torch.long, device=input_ids.device)
         model_kwargs = self._get_initial_cache_position(input_ids, model_kwargs)
 
-        while self._has_unfinished_sequences(this_peer_finished, synced_gpus, device=input_ids.device):
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = -1
+        if idx not in timing:
+            timing[idx] = {"name": "before while loop", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s_while = datetime.datetime.now()
+        step = 0
+        while True:
+            step += 1
+            if step > 4095:
+                break
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
+            not_stop = self._has_unfinished_sequences(this_peer_finished, synced_gpus, device=input_ids.device)
+
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 0
+            if idx not in timing:
+                timing[idx] = {"name": "_has_unfinished_sequences", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
+            if not not_stop:
+                 break
+
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 0.1
+            if idx not in timing:
+                timing[idx] = {"name": "if not not_stop", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
             # prepare model inputs
             model_inputs = self.prepare_inputs_for_generation(input_ids, **model_kwargs)
 
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 1
+            if idx not in timing:
+                timing[idx] = {"name": "prepare_inputs_for_generation", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
             # forward pass to get next token
             outputs = self(
                 **model_inputs,
@@ -2548,6 +2611,17 @@ class GenerationMixin:
                 output_hidden_states=output_hidden_states,
             )
 
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 2
+            if idx not in timing:
+                timing[idx] = {"name": "model forward", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
             if synced_gpus and this_peer_finished:
                 continue  # don't waste resources running the code we don't need
 
@@ -2556,6 +2630,17 @@ class GenerationMixin:
             # pre-process distribution
             next_tokens_scores = logits_processor(input_ids, next_token_logits)
 
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 3
+            if idx not in timing:
+                timing[idx] = {"name": "logits_processor", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
             # Store scores, attentions and hidden_states when required
             if return_dict_in_generate:
                 if output_scores:
@@ -2576,6 +2661,17 @@ class GenerationMixin:
                         else (outputs.hidden_states,)
                     )
 
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 4
+            if idx not in timing:
+                timing[idx] = {"name": "prepare outputs", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
             # argmax
             next_tokens = torch.argmax(next_tokens_scores, dim=-1)
 
@@ -2589,15 +2685,70 @@ class GenerationMixin:
             input_ids = torch.cat([input_ids, next_tokens[:, None]], dim=-1)
             if streamer is not None:
                 streamer.put(next_tokens.cpu())
+
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 5
+            if idx not in timing:
+                timing[idx] = {"name": "next_tokens", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
             model_kwargs = self._update_model_kwargs_for_generation(
                 outputs,
                 model_kwargs,
                 is_encoder_decoder=self.config.is_encoder_decoder,
             )
 
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 6
+            if idx not in timing:
+                timing[idx] = {"name": "_update_model_kwargs_for_generation", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
             unfinished_sequences = unfinished_sequences & ~stopping_criteria(input_ids, scores)
+
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 7
+            if idx not in timing:
+                timing[idx] = {"name": "stopping_criteria", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+            torch.cuda.synchronize()
+            s = datetime.datetime.now()
+
             this_peer_finished = unfinished_sequences.max() == 0
 
+            torch.cuda.synchronize()
+            t = datetime.datetime.now()
+            e = (t - s).total_seconds()
+            idx = 8
+            if idx not in timing:
+                timing[idx] = {"name": "final part in while", "timing": 0.0}
+            timing[idx]["timing"] += e
+
+        e1 = (t - s_gen).total_seconds()
+        e2 = (t - s_while).total_seconds()
+        print(f"generation time: {e1}")
+        print(f"while time: {e2}")
+        print(json.dumps(timing, indent=4))
+
+        import transformers
+        o = transformers.models.gemma.modeling_gemma.timing
+        print(json.dumps(o, indent=4))
+        
+        breakpoint()
+
         if streamer is not None:
             streamer.end()
 
diff --git a/src/transformers/models/gemma/modeling_gemma.py b/src/transformers/models/gemma/modeling_gemma.py
index f221e74ddf..98ea73177c 100644
--- a/src/transformers/models/gemma/modeling_gemma.py
+++ b/src/transformers/models/gemma/modeling_gemma.py
@@ -15,6 +15,11 @@
 # limitations under the License.
 """ PyTorch Gemma model."""
 
+import json
+import datetime
+
+timing = {}
+
 import math
 import warnings
 from typing import List, Optional, Tuple, Union
@@ -864,23 +869,81 @@ class GemmaModel(GemmaPreTrainedModel):
             )
             use_cache = False
 
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         if inputs_embeds is None:
             inputs_embeds = self.embed_tokens(input_ids)
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 1
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: embed_tokens", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         if use_cache and not isinstance(past_key_values, Cache):  # kept for BC (non `Cache` `past_key_values` inputs)
             past_key_values = DynamicCache.from_legacy_cache(past_key_values)
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 2
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: past_seen_tokens", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         if cache_position is None:
             past_seen_tokens = past_key_values.get_seq_length() if past_key_values is not None else 0
             cache_position = torch.arange(
                 past_seen_tokens, past_seen_tokens + inputs_embeds.shape[1], device=inputs_embeds.device
             )
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 3
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: cache_position", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         if position_ids is None:
             position_ids = cache_position.unsqueeze(0)
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 4
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: position_ids", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         causal_mask = self._update_causal_mask(attention_mask, inputs_embeds, cache_position, past_key_values)
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 5
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: causal_mask", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         # embed positions
         hidden_states = inputs_embeds
 
@@ -890,6 +953,17 @@ class GemmaModel(GemmaPreTrainedModel):
         normalizer = torch.tensor(self.config.hidden_size**0.5, dtype=hidden_states.dtype)
         hidden_states = hidden_states * normalizer
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 6
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: normalizer", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         # decoder layers
         all_hidden_states = () if output_hidden_states else None
         all_self_attns = () if output_attentions else None
@@ -929,8 +1003,30 @@ class GemmaModel(GemmaPreTrainedModel):
             if output_attentions:
                 all_self_attns += (layer_outputs[1],)
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 7
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: for decoder_layer in self.layers", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         hidden_states = self.norm(hidden_states)
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 8
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: self.norm", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         # add hidden states from the last decoder layer
         if output_hidden_states:
             all_hidden_states += (hidden_states,)
@@ -942,6 +1038,18 @@ class GemmaModel(GemmaPreTrainedModel):
                 if isinstance(next_decoder_cache, DynamicCache)
                 else next_decoder_cache
             )
+
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 9
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaModel: next_cache", "timing": 0.0}
+        timing[idx]["timing"] += e
+
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         if not return_dict:
             return tuple(v for v in [hidden_states, next_cache, all_hidden_states, all_self_attns] if v is not None)
         return BaseModelOutputWithPast(
@@ -1114,6 +1222,9 @@ class GemmaForCausalLM(GemmaPreTrainedModel):
         )
         return_dict = return_dict if return_dict is not None else self.config.use_return_dict
 
+        torch.cuda.synchronize()
+        s = datetime.datetime.now()
+
         # decoder outputs consists of (dec_features, layer_state, dec_hidden, dec_attn)
         outputs = self.model(
             input_ids=input_ids,
@@ -1128,6 +1239,14 @@ class GemmaForCausalLM(GemmaPreTrainedModel):
             cache_position=cache_position,
         )
 
+        torch.cuda.synchronize()
+        t = datetime.datetime.now()
+        e = (t - s).total_seconds()
+        idx = 0
+        if idx not in timing:
+            timing[idx] = {"name": "GemmaForCausalLM: outputs = self.model()", "timing": 0.0}
+        timing[idx]["timing"] += e
+
         hidden_states = outputs[0]
         logits = self.lm_head(hidden_states)
         logits = logits.float()