gpt2 codegeneration model added

added_tokens.json

@@ -0,0 +1 @@
+{"<pad>": 50257, "<python>": 50258, "<java>": 50259}

config.json

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+{
+  "activation_function": "gelu_new",
+  "architectures": [
+    "GPT2LMHeadModel"
+  ],
+  "attn_pdrop": 0.1,
+  "bos_token_id": 50256,
+  "embd_pdrop": 0.1,
+  "eos_token_id": 50256,
+  "initializer_range": 0.02,
+  "layer_norm_epsilon": 1e-05,
+  "model_type": "gpt2",
+  "n_ctx": 1024,
+  "n_embd": 1024,
+  "n_head": 16,
+  "n_layer": 24,
+  "n_positions": 1024,
+  "n_special": 0,
+  "predict_special_tokens": true,
+  "resid_pdrop": 0.1,
+  "summary_activation": null,
+  "summary_first_dropout": 0.1,
+  "summary_proj_to_labels": true,
+  "summary_type": "cls_index",
+  "summary_use_proj": true,
+  "task_specific_params": {
+    "text-generation": {
+      "do_sample": true,
+      "max_length": 50
+    }
+  },
+  "vocab_size": 50260
+}

gpt_sh_config.json

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+{
+  "max_seq_length": 256,
+  "do_lower_case": false
+}

pytorch_model.bin

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+version https://git-lfs.github.com/spec/v1
+oid sha256:925fcaebc178dd6df1a0fc7bbf92a6a51a58fc36969bf1c0f5157eefed1e7eae
+size 1444543733

special_tokens_map.json

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+{"bos_token": "<|endoftext|>", "eos_token": "<|endoftext|>", "unk_token": "<|endoftext|>", "pad_token": "<pad>", "additional_special_tokens": ["<python>", "<java>"]}

tokenizer_config.json

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+{"do_lower_case": false, "model_max_length": 1024}