diff --git a/R/tar_factories.R b/R/tar_factories.R
index 2aeac3e..50799ce 100644
--- a/R/tar_factories.R
+++ b/R/tar_factories.R
@@ -331,8 +331,8 @@ tar_fit_cfa <- function(config, data, theory,
   )
 }
 
-tar_prep_files_cpm <- function(params_subset = NULL) {
-  values <- config_files({{ params_subset }})
+tar_prep_files_cpm <- function(...) {
+  values <- set_config_cpm(...)
   c(
     tarchetypes::tar_eval(
       tar_target(
@@ -368,14 +368,13 @@ tar_prep_files_cpm <- function(params_subset = NULL) {
 }
 
 # helper functions ----
-config_files <- function(params_subset = NULL) {
-  if (rlang::quo_is_null(rlang::enquo(params_subset))) params_subset <- TRUE
+set_config_cpm <- function(...) {
   tidyr::expand_grid(
     params_fmri_tasks,
     params_xcpd,
     hypers_cpm
   ) |>
-    dplyr::filter({{ params_subset }}) |>
+    dplyr::filter(...) |>
     dplyr::mutate(
       file_fc = rlang::syms(
         sprintf(
diff --git a/_scripts/g_factor.R b/_scripts/g_factor.R
index 33f45e5..7fe4e37 100644
--- a/_scripts/g_factor.R
+++ b/_scripts/g_factor.R
@@ -22,6 +22,12 @@ options(clustermq.scheduler = "sge")
 options(clustermq.template = "clustermq.tmpl")
 tar_source()
 
+config_cpm <- set_config_cpm(
+  atlas == "Schaefer217",
+  thresh_method == "alpha",
+  thresh_level == 0.01
+)
+
 n_vars_total <- 76
 n_steps <- 20
 
@@ -70,7 +76,7 @@ list(
       scores_g_imp
     ),
     tarchetypes::tar_map(
-      config_files(),
+      config_cpm,
       names = !starts_with("file"),
       tarchetypes::tar_rep(
         cpm_result,
@@ -83,7 +89,9 @@ list(
               thresh_method, thresh_level
             ),
             .keep = "unused"
-          )
+          ),
+        batches = 4,
+        reps = 5
       )
     )
   )
diff --git a/_scripts/predict_phenotypes.R b/_scripts/predict_phenotypes.R
index 6cb3a69..2b94b59 100644
--- a/_scripts/predict_phenotypes.R
+++ b/_scripts/predict_phenotypes.R
@@ -19,7 +19,7 @@ tar_option_set(
 tar_source()
 
 cpm_branches <- tarchetypes::tar_map(
-  config_files(),
+  set_config_cpm(),
   names = !starts_with("file"),
   tarchetypes::tar_rep(
     cpm_result,