#!/bin/bash

MONTHS=(2407 2408 2409 2410 2411 2412 2501 2502 2503 2504 2505 2506)

# tinyllama 1b 3 epoch
#MAX_TOKENS=(
#   $((211812352*3))
#   $((177209344*3))
#   $((240123904*3))
#   $((258998272*3))
#   $((250609664*3))
#   $((304087040*3))
#   $((266338304*3))
#   $((330301440*3))
#   $((394264576*3))
#   $((375390208*3))
#   $((470810624*3))
#   $((508559360*3))
#)

# tinyllama 1b
MAX_TOKENS=(
   211812352
   177209344
   240123904
   258998272
   250609664
   304087040
   266338304
   330301440
   394264576
   375390208
   470810624
   508559360
)
# Qwen2-7B
# MAX_TOKENS=(
#  200278016
#  167772160
#  226492416
#  244318208
#  236978176
#  286261248
#  251658240
#  311427072
#  371195904
#  353370112
#  442499072
#  478150656
#)

# Qwen2-7B
# MAX_TOKENS=(
#  $((200278016*3))
#  $((167772160*3))
#  $((226492416*3))
#  $((244318208*3))
#  $((236978176*3))
#  $((286261248*3))
#  $((251658240*3))
#  $((311427072*3))
#  $((371195904*3))
#  $((353370112*3))
#  $((442499072*3))
#  $((478150656*3))
#)

# openllama 3b
#MAX_TOKENS=(
#  208666624
#  175112192
#  236978176
#  255852544
#  247463936
#  298844160
#  262144000
#  325058560
#  387973120
#  369098752
#  462422016
#  500170752
#)


OUT_ROOT="./out/pretrain/tinyllama_lr_plus"
#"./out/pretrain/qwen2_3_epoch"
#"./out/pretrain/tinyllama_3_epoch"
#"./out/pretrain/qwen2"
#"./out/pretrain/openllama"

LOG_ROOT="./out/pretrain/tinyllama_lr_plus/teelogs"
#"./out/pretrain/qwen2_3_epoch/teelogs"
#"./out/pretrain/tinyllama_3_epoch/teelogs"
#"./out/pretrain/qwen2/teelogs"
#"./out/pretrain/openllama/teelogs"

DATA_ROOT="litgpt/data/arxiv_tinyllama_tokenized/"
#"litgpt/data/arxiv_qwen2_tokenized/"
#
#"litgpt/data/arxiv_openllama_tokenized/"

CKPT_0="./checkpoints/TinyLlama/TinyLlama-1.1B-intermediate-step-1431k-3T/"
#"./checkpoints/Qwen/Qwen2-7B/"
#"./checkpoints/TinyLlama/TinyLlama-1.1B-intermediate-step-1431k-3T/"
#"./checkpoints/openlm-research/open_llama_3b/"

CONFIG_FILE="config_hub/pretrain/tinyllama_cl.yaml"
#"config_hub/pretrain/qwen2_7b_cl.yaml"
#"config_hub/pretrain/tinyllama_cl.yaml"
#"config_hub/pretrain/openllama_cl.yaml"


export CUDA_VISIBLE_DEVICES="4,5,6,7"
mkdir -p "$LOG_ROOT"

START_IDX=0
for ((i=$START_IDX; i<${#MONTHS[@]}; i++)); do
    MONTH=${MONTHS[$i]}
    TOKENS=${MAX_TOKENS[$i]}

    if [ $i -eq 0 ]; then
        INIT_CKPT="$CKPT_0"
    else
        PREV_MONTH=${MONTHS[$((i-1))]}
        INIT_CKPT="${OUT_ROOT}/${PREV_MONTH}/final"
    fi

    OUT_DIR="${OUT_ROOT}/${MONTH}"
    LOG_FILE="${LOG_ROOT}/${MONTH}.txt"
    DATA_DIR="${DATA_ROOT}/${MONTH}/"

    mkdir -p "$OUT_DIR"

    echo "===== Start Training $MONTH ====="
    echo "init_ckpt: $INIT_CKPT"
    echo "out_dir: $OUT_DIR"
    echo "max_tokens: $TOKENS"

    litgpt pretrain \
        --config $CONFIG_FILE \
        --train.max_tokens $TOKENS \
        --out_dir $OUT_DIR \
        --initial_checkpoint_dir $INIT_CKPT \
        --data_dir $DATA_DIR \
        2>&1 | tee "$LOG_FILE"

    echo "===== $MONTH Ended ====="
    sleep 60
done