INLA takes a long time even when the hyperparameters are fixed

[Alokesh Manna]

Hi INLA users,

In my computation when I fix the hyperparameters precision (log precision), INLA takes a long time to converge. Can you tell me what can be a possible reason? I write a snippet of code.

PS: I have a 15 random effect spatially varying coefficients. As INLA takes a long time to converge if I do not fix i am putting some initial value. Smaller precision sometime helps. But with an example of big data, without fixing the hyperparameters I got the initial guess.

f(as.numeric(spatial_ID_13),value_r1__value_u1,
                               constr=FALSE,
                               model = "besag",scale.model=TRUE,
                               graph = graph_adjacency_2,
                               hyper=list(theta = list(prior = "loggamma",
                                                       param=c(1,.0003),
                                                      initial=log(5.0),
                                                      fixed=TRUE,
                                                      scale.model=TRUE)
                               )
                              )

The other alignment is 

```

 family = "poisson" ,
                           
                            data = data.frame(x_matrix_2) ,
                           
                           
                            control.predictor = list(compute = TRUE),
                            control.compute = list(openmp.strategy = "huge",
                                                   dic = TRUE,config = TRUE,
                                                   save.memory = TRUE),
                            control.inla = list(
                              #diagonal = .01,
                              strategy="gaussian",
                              int.strategy = "eb"
                              ),
                            #verbose=TRUE,
                           
                            control.mode=list(restart=T)

```

[Helpdesk (Haavard Rue)]

can you upgrade to the most recent testing version and retry? INLA_24.12.06

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Håvard Rue
he...@r-inla.org