Fix Accuracy Calculation Issue in GPT-NeoX (huggingface#1591)

optimum/habana/transformers/models/gpt_neox/modeling_gpt_neox.py

@@ -457,19 +457,11 @@ def prepare_inputs_for_generation(
         return model_inputs
 
 
-def gaudi_gpt_neox_rotary_embedding_set_cos_sin_cache(self, seq_len, device, dtype):
-    self.max_seq_len_cached = seq_len
-    t = torch.arange(self.max_seq_len_cached, device=device, dtype=self.inv_freq.dtype)
-
-    freqs = torch.outer(t, self.inv_freq)
-    # Different from paper, but it uses a different permutation in order to obtain the same calculation
-    emb = torch.cat((freqs, freqs), dim=-1)
-    self.cos_cached = emb.cos()
-    self.sin_cached = emb.sin()
-
-
 def apply_customized_rope(q, k, cos, sin, position_ids, training=True):
-    if q.device.type == "hpu" and FusedRoPE:
-        return apply_customized_rope_module(q, k, cos, sin, position_ids, training)
+    if q.device.type == "hpu" and FusedRoPE is not None:
+        if training:
+            return apply_customized_rope_module(q.to(torch.float), k.to(torch.float), cos, sin, position_ids, training)
+        else:
+            return apply_customized_rope_module(q, k, cos, sin, position_ids, training)
     else:
         return apply_rotary_pos_emb(q.to(torch.float), k.to(torch.float), cos[position_ids], sin[position_ids])