Esempio n. 1
0
def neuralnetpredict(pm, bs, nc, numd, seed, zz=0):
    '''For the given box, mesh, numd, seed and redshift, do the neural network prediction
    from the network saved in cfg file and return predict, nnpred, nnmass
    '''
    dpath = '/global/project/projectdirs/astro250/chmodi/cosmo4d/'

    import yaml
    import nettools as ntools

    with open(dpath + 'train/models.yaml', 'r') as ymlfile:
        cfg = yaml.load(ymlfile)

    ptpath = dpath + 'train/' + cfg['%s-%s' %
                                    (int(bs), int(nc))][0][numd]['ppath']
    mtpath = ptpath + cfg['%s-%s' % (int(bs), int(nc))][0][numd]['mpath']
    # mtpath = ptpath + cfg['%s-%s'%(bs,nc)][0][numd]['mpathnf']
    ptup, pftname, plocal, pdict = ntools.setuppos2(ptpath)
    mtup, mftname, mlocal, mdict = ntools.setupmass(mtpath)
    R1, R2 = pdict['R1'], pdict['R2']

    num = int(numd * bs**3)
    meshdict, hdict = ntools.readfiles(
        pm,
        dpath + '/data/z%02d/L%04d_N%04d_S%04d_05step/' % (zz, bs, nc, seed),
        R1=R1,
        R2=R2,
        mexp=None)

    ftt = ntools.createdata(pm, meshdict, pdict['pftname'], plocal)
    mftt = ntools.createdata(pm, meshdict, mftname, mlocal)

    nnpred = ntools.applynet(ftt, ptup).reshape(nc, nc, nc)
    nnmass = ntools.applynet(mftt, mtup).reshape(nc, nc, nc)
    predict = nnpred * nnmass
    ##
    return pm.create(mode='real', value=predict), nnpred, nnmass
Esempio n. 2
0
mexp, cc = 0.5, 4.6
stellar = False
regression = False
Rsm = 3

num = int(numd * bs**3)
fine = 4
pm = PMnew(BoxSize=bs, Nmesh=[nc] * 3)

ptpath = train + cfg['%s-%s' % (bs, nc)][0][numd]['ppath']
if regression:
    mtpath = ptpath + cfg['%s-%s' % (bs, nc)][0][numd]['rpath']
else:
    mtpath = ptpath + cfg['%s-%s' % (bs, nc)][0][numd]['mpath']

ptup, pftname, plocal, pdict = ntools.setuppos2(ptpath)
if regression:
    mtup, mftname, mlocal, mdict = ntools.setupmassreg(mtpath)
else:
    mtup, mftname, mlocal, mdict = ntools.setupmass(mtpath)
R1, R2 = pdict['R1'], pdict['R2']

#####Files
#model
predicts, datas = [], []
datasgs = [[], []]
sgs = [0.1, 0.20]

for seed in [100, 500, 900, 800]:
    meshdict, dummy = ntools.readfiles(
        pm,