Parallel job submission of for loop

I have written for loop and parallelized it with & and limited the threshold to running 3 jobs at one time. Below is my script. I am reserving 32 cores and 256 GB memory through BSUB command. The sample_pipe I am running inside for loop requires 32 cores and 256 GB memory.

I am getting memory failure errors on some jobs. I think I am reserving only 32 cores and 256 GB and trying to run 3 jobs at a time which might be causing memory failure errors on some jobs.

My question is how do I parallelize such that all 3 jobs are using the same amount of cores and memory.

I submitted using the command bsub < example.sh

#!/bin/bash
#BSUB -J cnt_job            # LSF job name
#BSUB -o cnt_job.%J.out     # Name of the job output file
#BSUB -e cnt_job.%J.error   # Name of the job error file
#BSUB -n 32                 # 32 cores
#BSUB -M 262144             # 256 GB
#BSUB -R "span[hosts=1] rusage [mem=262144]"

n=0
maxjobs=3
for sample in $main ; do
     for run in $nested ; do
             sample_pipe count --id="$run_name" \
             --localcores=32 \
             --localmem=256 &
     done
     cd ..
     # limit jobs
    if (( $(($((++n)) % $maxjobs)) == 0 )) ; then
        wait # wait until all have finished
        echo $n wait
    fi
done