fix gpu 0 doc

doc/BENCHMARKING_GPU.md

@@ -16,7 +16,7 @@
 |ResNet_v2_50 |1 |4 |2.7 |3617 |28.122 |53.50748430453522 |268 |74.71539215543378 |74.6181640625 |75.3138671875 |75.6051025390625 |77.85322998046874 |20.03458046913147 |20.024930953979492|
 |ResNet_v2_50 |1 |8 |1.7 |3877 |25.7869 |59.60582783086999 |150 |133.5897119140625 |132.7503662109375 |134.968310546875 |136.470703125 |140.79039062499996 |20.132259607315063 |20.03933620452881|
 |ResNet_v2_50 |1 |16 |7.0 |4777 |27.0175 |63.2627646819339 |80 |252.30162048339844 |251.8448486328125 |253.046630859375 |253.91142578125 |263.361640625 |20.233070850372314 |20.18476152420044|
-|ResNet_v2_50 |1 |32 |7.5 |6567 |0 |62.945314687348024 |40 |506.8969482421875 |507.3531494140625 |510.562353515625 |511.421240234375 |536.8068920898437 |20.335111618041992 |20.276386737823486|
+|ResNet_v2_50 |1 |32 |7.5 |6567 |38.532 |62.945314687348024 |40 |506.8969482421875 |507.3531494140625 |510.562353515625 |511.421240234375 |536.8068920898437 |20.335111618041992 |20.276386737823486|
 |ResNet_v2_50 |2 |1 |4.7 |6567 |49.4828 |50.40600094376044 |1010 |39.63352195815285 |39.5345458984375 |40.452880859375 |41.1375 |42.940522460937494 |20.037296772003174 |20.01696753501892|
 |ResNet_v2_50 |2 |4 |2.7 |6567 |44.4744 |83.4255836891382 |420 |95.38548002697172 |95.7069091796875 |97.599951171875 |98.098583984375 |102.39680908203125 |20.137707471847534 |20.03199553489685|
 |ResNet_v2_50 |2 |8 |2.2 |6567 |42.898 |91.3727510505176 |230 |174.89108568274457 |175.0452880859375 |175.82001953125 |176.7634033203125 |178.64064453125002 |20.13729453086853 |20.1132071018219|