#! /bin/bash

# Runs the "345M" parameter model

RANK=0
WORLD_SIZE=1

# paths to multilingual preprocessed datasets
DATA_PATH_EN=<Specify path and file prefix>_text_document
DATA_PATH_AR=<Specify path and file prefix>_text_document
DATA_PATH_KR=<Specify path and file prefix>_text_document
DATA_PATH_JP=<Specify path and file prefix>_text_document

CHECKPOINT_PATH=<Specify path>


deepspeed --num_gpus 1 pretrain_gpt.py \
       --num-layers 24 \
       --hidden-size 1024 \
       --num-attention-heads 16 \
       --micro-batch-size 4 \
       --global-batch-size 8 \
       --seq-length 1024 \
       --max-position-embeddings 1024 \
       --train-iters 500000 \
       --lr-decay-iters 320000 \
       --save $CHECKPOINT_PATH \
       --load $CHECKPOINT_PATH \
       --train-weighted-split-paths "TRAIN: 0.3 0:0.6 $DATA_EN 1 0:0.6 $DATA_AR 1 0:0.6 $DATA_KR 1 0:0.6 $DATA_JP" \
       --valid-weighted-split-paths \
       "VALID_EN: 1 0.6:0.8 $DATA_EN" \
       "VALID_AR: 1 0.6:0.8 $DATA_AR" \
       "VALID_JP: 1 0.6:0.8 $DATA_KR" \
       "VALID_KR: 1 0.6:0.8 $DATA_JP" \
       "VALID_EN-AR-JP-KR_BALANCED: 1 0.6:0.8 $DATA_EN, 1 0.6:0.8 $DATA_AR, 1 0.6:0.8 $DATA_JP, 1 0.6:0.8 $DATA_KR" \
       --test-weighted-split-paths \
       "TEST_EN: 1 0.8:1 $DATA_EN" \
       "TEST_AR: 1 0.8:1 $DATA_AR" \
       "TEST_JP: 1 0.8:1 $DATA_JP" \
       "TEST_KR: 1 0.8:1 $DATA_KR" \
       "TEST_EN-AR-JP-KR_BALANCED: 1 0.8:1 $DATA_EN, 1 0.8:1 $DATA_AR, 1 0.8:1 $DATA_JP, 1 0.8:1 $DATA_KR" \
       --vocab-file gpt2-vocab.json \
       --merge-file gpt2-merges.txt \
       --data-impl mmap \
       --split 949,50,1 \
       --distributed-backend nccl \
       --lr 0.00015 \
       --min-lr 1.0e-5 \
       --lr-decay-style cosine \
       --weight-decay 1e-2 \
       --clip-grad 1.0 \
       --lr-warmup-fraction .01 \
       --checkpoint-activations \
       --log-interval 100 \
       --save-interval 10000 \
       --eval-interval 1000 \
       --eval-iters 10 \
       --fp16