Some CosmoMC chains are stuck

Use of Healpix, camb, CLASS, cosmomc, compilers, etc.
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Erick Almaraz
Posts: 27
Joined: June 10 2012
Affiliation: University of Mexico

Some CosmoMC chains are stuck

Post by Erick Almaraz » February 23 2019

Dear CosmoMC users,

I am running a CosmoMC analysis trying to constraint the parameters of a new Dark Energy parametrization of the equation of state. To that end, I am running eight chains. However, after some time the analysis starts, only one chain keeps collecting samples, while the other 7 are stuck:

Code: Select all

erickalmaraz@marsalis ~]$ ls -lth software/cosmomc/fn/v1/chains/
total 82M
-rw-r--r--. 1 erickalmaraz scratch  21M feb 22 14:01 test1_all_alphas_1.txt
-rw-r--r--. 1 erickalmaraz scratch 4.6M feb 22 11:59 test1_all_alphas_1.chk
-rw-r--r--. 1 erickalmaraz scratch 3.5K feb 22 10:43 test1_all_alphas_1.log
-rw-r--r--. 1 erickalmaraz scratch 929K feb  9 08:10 test1_all_alphas_8.txt
-rw-r--r--. 1 erickalmaraz scratch 611K feb  9 08:03 test1_all_alphas_7.chk
-rw-r--r--. 1 erickalmaraz scratch 7.7M feb  9 08:03 test1_all_alphas_2.txt
-rw-r--r--. 1 erickalmaraz scratch 723K feb  9 08:02 test1_all_alphas_6.chk
-rw-r--r--. 1 erickalmaraz scratch 3.2M feb  9 08:02 test1_all_alphas_6.txt
-rw-r--r--. 1 erickalmaraz scratch 207K feb  9 07:58 test1_all_alphas_8.chk
-rw-r--r--. 1 erickalmaraz scratch 1.5M feb  9 07:54 test1_all_alphas_5.txt
-rw-r--r--. 1 erickalmaraz scratch 2.6M feb  9 07:42 test1_all_alphas_7.txt
-rw-r--r--. 1 erickalmaraz scratch 1.7M feb  9 07:39 test1_all_alphas_2.chk
-rw-r--r--. 1 erickalmaraz scratch 1.3K feb  9 07:03 test1_all_alphas_2.log
-rw-r--r--. 1 erickalmaraz scratch  519 feb  9 06:59 test1_all_alphas_6.log
-rw-r--r--. 1 erickalmaraz scratch 434K feb  9 06:55 test1_all_alphas_3.txt
-rw-r--r--. 1 erickalmaraz scratch  453 feb  9 05:27 test1_all_alphas_7.log
-rw-r--r--. 1 erickalmaraz scratch  77K feb  8 22:35 test1_all_alphas_3.chk
-rw-r--r--. 1 erickalmaraz scratch 279K feb  8 22:33 test1_all_alphas_5.chk
-rw-r--r--. 1 erickalmaraz scratch  128 feb  8 21:25 test1_all_alphas_8.log
-rw-r--r--. 1 erickalmaraz scratch   64 feb  8 19:57 test1_all_alphas_3.log
-rw-r--r--. 1 erickalmaraz scratch 5.0M feb  8 16:14 test1_all_alphas_4.txt
-rw-r--r--. 1 erickalmaraz scratch  882 feb  8 15:53 test1_all_alphas_4.log
-rw-r--r--. 1 erickalmaraz scratch  192 feb  8 10:27 test1_all_alphas_5.log
-rw-r--r--. 1 erickalmaraz scratch  164 feb  7 08:41 test1_all_alphas.likelihoods
-rw-r--r--. 1 erickalmaraz scratch 8.4K feb  7 08:41 test1_all_alphas.ranges
-rw-r--r--. 1 erickalmaraz scratch 5.4K feb  7 08:41 test1_all_alphas.paramnames
-rw-r--r--. 1 erickalmaraz scratch 7.6K feb  7 08:41 test1_all_alphas.inputparams


What can be going wrong? Any suggestion would be appreciated

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