[Moses-support] Regarding speed up of translation using binary phrase table

2012-03-02 Thread shweta porwal
Hi im building an smt web translation system using your given guidelines on moses home. The translations are good , but even after doing the steps of memory management for speeding up the translation given in the step by step guide , I am still facing delay in translation output due to disk

Re: [Moses-support] Regarding speed up of translation using binary phrase table

2012-03-02 Thread Nicola Bertoldi
I would only put in evidence that irstlm is not responsible for the very large loading time . In fact, it starts and ends in less than 1 second (start at 49 seconds and end at the same time) So probably as Barry mention, you have to use binarized version of the phrase and reordering tables In

Re: [Moses-support] Regarding speed up of translation using binary phrase table

2012-03-02 Thread Kenneth Heafield
It's using lazy mmap as evidenced by the .mm at the end. So loading time will be fast but this may still explain the slow speed. Regardless of using IRSTLM or KenLM, cat the binary file /dev/null first, though not being lazy (remove .mm for IRSTLM or use 8 for KenLM) should accomplish the

Re: [Moses-support] Regarding speed up of translation using binary phrase table

2012-03-02 Thread Marcin Junczys-Dowmunt
Hi, I am working on a more compact phrase table representation. I should be done with it in about one or two months. It is around five times smaller than the currently used binary phrase table implementation, so it has much better performance on systems with low RAM. It is already working