Update README.md

README.md

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 ---
 license: apache-2.0
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+Experimental pre-training on instruction datasets.
+https://wandb.ai/open-assistant/supervised-finetuning/runs/ys9rt5ue
+
+Checkpoint: 3500 steps
+
+Used oasst dataset config:
+```
+pretrain:
+  use_custom_sampler: true
+  sort_by_length: false
+  datasets:
+    - joke
+    - webgpt:
+        val_split: 0.1
+    - gpt4all:
+        val_split: 0.01
+    - alpaca:
+        val_split: 0.025
+    - code_alpaca:
+        val_split: 0.05
+    - minimath
+    - humaneval_mbpp_codegen_qa
+    - humaneval_mbpp_testgen_qa
+    - grade_school_math_instructions
+    - recipes
+    - cmu_wiki_qa
+    #- youtube_subs_howto100m # uses incompatible column names
+    #- ubuntu_dialogue_qa # fails to load
+    - oa_wiki_qa_bart_10000row
+    - prosocial_dialogue:
+        fraction: 0.1
+    - explain_prosocial:
+        fraction: 0.05
+```
+
+pythia parameters:
+```
+pythia-12b:
+  dtype: fp16
+  log_dir: "pythia_log_12b"
+  learning_rate: 6e-6
+  model_name: EleutherAI/pythia-12b-deduped
+  output_dir: pythia_model_12b
+  weight_decay: 0.0
+  max_length: 2048
+  use_flash_attention: true
+  #deepspeed_config: configs/zero3_config.json
+  warmup_steps: 50
+  gradient_checkpointing: true
+  gradient_accumulation_steps: 8
+  per_device_train_batch_size: 2 
+  per_device_eval_batch_size: 5
+  eval_steps: 200
+  save_steps: 500
+  num_train_epochs: 2 
+  save_total_limit: 2
+```