doc: restrict TE to linux only

ChatTTS/model/gpt.py

@@ -1,4 +1,4 @@
-import os
+import os, platform
 
 os.environ["TOKENIZERS_PARALLELISM"] = "false"
 """
@@ -24,21 +24,6 @@
 from ..utils import del_all
 
 
-"""class LlamaMLP(nn.Module):
-    def __init__(self, hidden_size, intermediate_size):
-        super().__init__()
-        self.hidden_size = hidden_size
-        self.intermediate_size = intermediate_size
-        self.gate_proj = nn.Linear(self.hidden_size, self.intermediate_size, bias=False)
-        self.up_proj = nn.Linear(self.hidden_size, self.intermediate_size, bias=False)
-        self.down_proj = nn.Linear(self.intermediate_size, self.hidden_size, bias=False)
-        self.act_fn = F.silu
-
-    def forward(self, x):
-        down_proj = self.down_proj(self.act_fn(self.gate_proj(x)) * self.up_proj(x))
-        return down_proj"""
-
-
 class GPT(nn.Module):
     def __init__(
         self,
@@ -115,12 +100,12 @@ def _build_llama(
         llama_config = LlamaConfig(**config)
 
         model = None
-        if "cuda" in str(device):
+        if "cuda" in str(device) and platform.system().lower() == "linux":
             try:
                 from .cuda import TELlamaModel
 
                 model = TELlamaModel(llama_config)
-                self.logger.info("use NVIDIA accelerated TELlamaModel")
+                self.logger.info("Linux with CUDA, try NVIDIA accelerated TELlamaModel")
             except Exception as e:
                 model = None
                 self.logger.warn(

README.md

@@ -92,7 +92,7 @@ conda activate chattts
 pip install -r requirements.txt
 ```
 
-#### Optional: Install TransformerEngine if using NVIDIA GPU
+#### Optional: Install TransformerEngine if using NVIDIA GPU (Linux only)
 > [!Note]
 > The installation process is very slow.