iqtree-mpi warnings for Memory required per CPU-core and run cannot finish

[Jing Zhang]

Dear IQ-tree team

When I am running mpi version of iqtree both (1.6.12 or 2.0), it always reports message and usually the run will not finish

WARNING: Memory required per CPU-core (24.1637 GB) is higher than your computer RAM per CPU-core (1 GB), thus multiple runs may exceed RAM!

But in fact, my node has RAM either 32GB or 64GB 

command is 

/work/00412/mtang/local/bin/iqtree2-mpi_ls5 -s alignments_posi0.8_new.aliscore -p alignments_posi0.8_new.aliscore_codon_partitions -T AUTO

 -nt 32 -pre alignments_posi0.8_new.aliscore_partition_by_codon

/home2/jzhang/locals/IQ-TREE/build/iqtree-mpi -s alignments_posi0.8_new.aliscore -spp alignments_posi0.8_new.aliscore_codon_partitions  -nt 20 -pre alignments_posi0.8_new.aliscore_part_by_codon

alingment is large and contains about 800 sequences with more than 100000bps. 

I tried to use -mem but somehow it is not compatible for partition analysis. 

[Minh Bui]

Can you please paste the first 10 lines and the last 10 lines of the log file. Also, paste the line where it prints the memory required for this run.

Minh

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