seems like jumping to me 
This is how the training loss looks like,
Epoch 1/5
loss @ batch#000: 0.8270422220230103
loss @ batch#001: 0.7125710844993591
loss @ batch#002: 0.660284698009491
loss @ batch#003: 0.838929295539856
loss @ batch#004: 1.083276391029358
loss @ batch#005: 0.6964817047119141
loss @ batch#006: 0.4421113133430481
loss @ batch#007: 0.8267079591751099
loss @ batch#008: 0.5320273637771606
loss @ batch#009: 0.14518025517463684
loss @ batch#010: 0.39652758836746216
loss @ batch#011: 0.5080978870391846
loss @ batch#012: 0.0
Epoch 2/5
loss @ batch#000: 0.03382734954357147
loss @ batch#001: 0.21790757775306702
loss @ batch#002: 0.354198694229126
loss @ batch#003: 0.13982316851615906
loss @ batch#004: 0.5416660308837891
loss @ batch#005: 0.0642566978931427
loss @ batch#006: 0.1361594796180725
loss @ batch#007: 0.2777060270309448
loss @ batch#008: 0.1839388906955719
loss @ batch#009: 0.0
loss @ batch#010: 0.006485641002655029
loss @ batch#011: 0.0
loss @ batch#012: 0.08765590190887451
Epoch 3/5
loss @ batch#000: 0.12175476551055908
loss @ batch#001: 0.0
loss @ batch#002: 0.40359675884246826
loss @ batch#003: 0.03469619154930115
loss @ batch#004: 0.3805411159992218
loss @ batch#005: 0.07248783111572266
loss @ batch#006: 0.07092243432998657
loss @ batch#007: 0.438197523355484