# Copyright (c) 2020 NVIDIA Corporation.  All rights reserved.
GPUS_PER_NODE=8 # <--- remember to change the number of GPUs you actually have in your system
# Change for multinode config
MASTER_ADDR=localhost
MASTER_PORT=6000
NNODES=1 #<-- currently we are using 1 node multigpus
NODE_RANK=0
WORLD_SIZE=8 # <--- remember to change the number of GPUs you actually have in your system
TENSOR_MP_SIZE=8
PIPELINE_MP_SIZE=1
### modify this section to point the file to its own path 
CHECKPOINT_PATH='../sv_ckpt/' ## modify this path if you customize it 
DATA_PATH='../dataset/EN/NVblog_text_document' ## modify this path if you customize it 
VOCAB_FILE='../dataset/EN/50k/gpt2-vocab.json' ## modify this path if you customize it 
MERGE_FILE='../dataset/EN/50k/gpt2-merges.txt' ## modify this path if you customize it 
PROFILE_OUTPUT_PATH='../profiles/2ndrun/nsys_improved' # modify this to your own profile path

export OMP_NUM_THREADS=1
DISTRIBUTED_ARGS="--nproc_per_node $GPUS_PER_NODE --nnodes $NNODES --node_rank $NODE_RANK --master_addr $MASTER_ADDR --master_port $MASTER_PORT"

## for nsys run
nsys profile --stats=false --force-overwrite=true --duration=300 --trace=cudnn,cuda,osrt,nvtx -o $PROFILE_OUTPUT_PATH \
python -m torch.distributed.launch $DISTRIBUTED_ARGS \
    ./Megatron-LM/Dlprof_pretrain_gpt.py \
       --tensor-model-parallel-size $TENSOR_MP_SIZE \
       --pipeline-model-parallel-size $PIPELINE_MP_SIZE \
       --num-layers 32 \
       --hidden-size 1024 \
       --num-attention-heads 32 \
       --micro-batch-size 64 \
       --global-batch-size 512 \
       --seq-length 512 \
       --max-position-embeddings 512 \
       --train-samples 100 \
       --save $CHECKPOINT_PATH \
       --load $CHECKPOINT_PATH \
       --data-path $DATA_PATH \
       --vocab-file $VOCAB_FILE \
       --merge-file $MERGE_FILE \
       --data-impl mmap \
       --split 949,50,1 \
       --distributed-backend nccl \
       --lr 0.00015 \
       --lr-decay-style cosine \
       --min-lr 1.0e-5 \
       --weight-decay 1e-2 \
       --clip-grad 1.0 \
       --lr-warmup-fraction .01 \
       --checkpoint-activations \
       --log-interval 10 \
       --save-interval 100 \
       --eval-interval 200 \
       --eval-iters 10 \
       --fp16