#!/bin/bash

export CUDA_DEVICE_MAX_CONNECTIONS=1
export PYTORCH_NPU_ALLOC_CONF=expandable_segments:True

# Change for multinode config
NPUS_PER_NODE=16
MASTER_ADDR=localhost
MASTER_PORT=6015
NNODES=1
NODE_RANK=0
WORLD_SIZE=$(($NPUS_PER_NODE*$NNODES))

# please fill these path configurations
CKPT_LOAD_DIR="your model ckpt path"
CKPT_SAVE_DIR="your model save ckpt path"
DATA_PATH="your data path"
TOKENIZER_PATH="your tokenizer path"

TP=8
PP=1
CP=1
MBS=4
GBS=128
SEQ_LENGTH=4096
TRAIN_ITERS=2000
CP_TYPE='ulysses_cp_algo'

DISTRIBUTED_ARGS="
    --local_worker_num $NPUS_PER_NODE \
    --worker_num $WORLD_SIZE \
    --node_rank $NODE_RANK \
    --master_addr $MASTER_ADDR \
    --master_port $MASTER_PORT \
    --join=True
"

OPTIMIZE_ARGS="
    --use-flash-attn \
    --use-fused-rotary-pos-emb \
    --use-fused-swiglu \
    --use-fused-rmsnorm \
    --use-distributed-optimizer \
    --overlap-grad-reduce \
    --overlap-param-gather \
    --use-ascend-coc \
    --coc-fused-kernel \
"

TRAIN_ARGS="
    --micro-batch-size ${MBS} \
    --global-batch-size ${GBS} \
    --lr 1.25e-6 \
    --min-lr 1.25e-7 \
    --weight-decay 1e-1 \
    --lr-warmup-fraction 0.01 \
    --attention-dropout 0.0 \
    --hidden-dropout 0.0 \
    --clip-grad 1.0 \
    --adam-beta1 0.9 \
    --adam-beta2 0.95 \
    --seed 42 \
    --bf16 \
    --train-iters ${TRAIN_ITERS} \
    --seq-length ${SEQ_LENGTH} \
"

MODEL_PARALLEL_ARGS="
    --tensor-model-parallel-size ${TP} \
    --pipeline-model-parallel-size ${PP} \
    --context-parallel-size ${CP} \
    --context-parallel-algo ${CP_TYPE} \
"

GPT_ARGS="
    --use-mcore-models \
    --spec mindspeed_llm.tasks.models.spec.qwen3_spec layer_spec \
    --kv-channels 128 \
    --qk-layernorm \
    --num-layers 40 \
    --hidden-size 5120 \
    --untie-embeddings-and-output-weights \
    --num-attention-heads 40 \
    --ffn-hidden-size 17408 \
    --max-position-embeddings 40960 \
    --make-vocab-size-divisible-by 1 \
    --padded-vocab-size 151936 \
    --use-rotary-position-embeddings \
    --rotary-base 1000000 \
    --disable-bias-linear \
    --swiglu \
    --tokenizer-type PretrainedFromHF \
    --tokenizer-name-or-path ${TOKENIZER_PATH} \
    --normalization RMSNorm \
    --position-embedding-type rope \
    --norm-epsilon 1e-6 \
    --attention-softmax-in-fp32 \
    --group-query-attention \
    --num-query-groups 8 \
    --no-load-optim \
    --no-load-rng \
    --sequence-parallel \
    --transformer-impl local \
    --ckpt-format torch
"

DATA_ARGS="
    --data-path $DATA_PATH \
    --split 100,0,0 \
"

OUTPUT_ARGS="
    --log-interval 1 \
    --save-interval ${TRAIN_ITERS} \
    --eval-interval ${TRAIN_ITERS} \
    --eval-iters 0 \
    --log-throughput
"

msrun $DISTRIBUTED_ARGS pretrain_gpt.py \
    $GPT_ARGS \
    $DATA_ARGS \
    $OUTPUT_ARGS \
    $OPTIMIZE_ARGS \
    $TRAIN_ARGS \
    $MODEL_PARALLEL_ARGS \
    --distributed-backend nccl \
    --load ${CKPT_LOAD_DIR} \
    --save ${CKPT_SAVE_DIR} \
    --ai-framework mindspore \
    | tee logs/train_mcore_qwen3_14b.log