message: modify arg local_gpu_num in script.sh
diff: @@ -82,7 +82,7 @@ python3 test_sparse_emb_demo_model_single_worker.py \
  # ------ multi worker test within single worker but using different GPUs. save
  python3 test_sparse_emb_demo_model_multi_worker.py \
  - --local_gpu_num=8 --iter_num=100 \
  + --local_gpu_num=4 --iter_num=100 \
  --max_vocabulary_size_per_gpu=1024 \
  --slot_num=10 --max_nnz=4 \
  --embedding_vec_size=4 \
  @@ -94,7 +94,7 @@ python3 test_sparse_emb_demo_model_multi_worker.py \
  # ------ multi worker test within single worker but using different GPUs. restore
  python3 test_sparse_emb_demo_model_multi_worker.py \
  - --local_gpu_num=8 --iter_num=100 \
  + --local_gpu_num=4 --iter_num=100 \
  --max_vocabulary_size_per_gpu=1024 \
  --slot_num=10 --max_nnz=4 \
  --embedding_vec_size=4 \
  @@ -165,7 +165,7 @@ python3 test_dense_emb_demo_model_single_worker.py \
  # ------ multi worker test within single worker but using different GPUs. save
  python3 test_dense_emb_demo_model_multi_worker.py \
  - --local_gpu_num=8 --iter_num=100 \
  + --local_gpu_num=4 --iter_num=100 \
  --max_vocabulary_size_per_gpu=1024 \
  --slot_num=10 --nnz_per_slot=4 \
  --embedding_vec_size=4 \
  @@ -177,7 +177,7 @@ python3 test_dense_emb_demo_model_multi_worker.py \
  --use_hashtable=0
  python3 test_dense_emb_demo_model_multi_worker.py \
  - --local_gpu_num=8 --iter_num=100 \
  + --local_gpu_num=4 --iter_num=100 \
  --max_vocabulary_size_per_gpu=1024 \
  --slot_num=10 --nnz_per_slot=4 \
  --embedding_vec_size=4 \
  @@ -189,7 +189,7 @@ python3 test_dense_emb_demo_model_multi_worker.py \
  # ------ multi worker test within single worker but using different GPUs. restore
  python3 test_dense_emb_demo_model_multi_worker.py \
  - --local_gpu_num=8 --iter_num=100 \
  + --local_gpu_num=4 --iter_num=100 \
  --max_vocabulary_size_per_gpu=1024 \
  --slot_num=10 --nnz_per_slot=4 \
  --embedding_vec_size=4 \
  