Created by: lidanqing-intel

mAP on full val set FP32 0.7363 INT8 0.7295

Above mAP achieved on machine Intel(R) Xeon(R) Platinum 8180 CPU @ 2.50GHz. SkyLake

Command to reproduce full val dataset (5000 images) : /home/li/AIPG-Paddle/paddle/build/paddle/fluid/inference/tests/api/test_analyzer_int8_object_detection "ARGS" "--infer_model=/home/li/AIPG-Paddle/paddle/build/third_party/inference_demo/int8v2/mobilenet-ssd/model" "--infer_data=/home/li/.cache/paddle/dataset/pascalvoc/pascalvoc_full.bin" "--warmup_batch_size=10" "--batch_size=100" "--paddle_num_threads=4"

related to issue #18913 (closed) Please review @wojtuss