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[交流] 【讨论】minimizer出现问题

我用gromacs能量最小化一个格子中含有聚合物链的体系时出现下面的提示：The  optimal PME mesh load for parallel simulations is below 0.5 and for highly parallel simulations between 0.25 and 0.33, for higher performance, increase the cut-off and the PME grid spacing
不懂这是是什么意思，想问一下各位高手谁碰到过，能帮着解决一下吗？
我的minimizer.mdp是：
title                      = coo
cpp                      = /usr/bin/cpp
define                   = -DFLEXIBLE
constraints                = none
integrator                = steep
dt                         = 0.01
nsteps                   = 50000
nstlist                   = 10
ns_type                   = grid
rlist                      = 0.9
coulombtype                = PME
rcoulomb                   = 0.9
vdwtype                   = cut-off
rvdw                      = 0.9
fourierspacing             = 0.12
fourier_nx                = 0
fourier_ny                = 0
fourier_nz                = 0
pme_order                = 4
ewald_rtol                = 1e-5
optimize_fft             = yes
emtol                      = 1000.0
emstep                   = 0.01

谢谢各位大侠！！

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