stuck at cumsum2 on metagenome

[michoug]

Hi
I tried to run your tool on a metagenome (~80 k sequences) with the marker option

python viralrecall.py -i MG.fna -p MG -db marker -t 20 -c

but it apparently gets stuck for a very long time at the cumsum2 function.
As this function is not useful in the case of a metagenome, I was wondering if there a way to treat the contigs independently from one another to just find signatures of viruses?
Thanks
Greg