Update README.race.md
Summary: Pull Request resolved:
@@ -19,7 +19,7 @@ UPDATE_FREQ=8 # Accumulate gradients to simulate training on 8 GPUs.
DATA_DIR=/path/to/race-output-dir
ROBERTA_PATH=/path/to/roberta/model.pt
-CUDA_VISIBLE_DEVICES=0,1 fairseq-train $DATA_DIR \
+CUDA_VISIBLE_DEVICES=0,1 fairseq-train $DATA_DIR --ddp-backend=no_c10d \
--restore-file $ROBERTA_PATH \
--reset-optimizer --reset-dataloader --reset-meters \
--best-checkpoint-metric accuracy --maximize-best-checkpoint-metric \
