diff --git a/yaml/solver.yaml b/yaml/solver.yaml
index cb1353ca434be8b6e75d36ca1be2238a4ab8afa5..e95df9689b980b6d13dce2822ddfc9a4b8280a29 100644
--- a/yaml/solver.yaml
+++ b/yaml/solver.yaml
@@ -5,7 +5,7 @@ max_num_iterations: 20
 function_tolerance: 1e-7
 gradient_tolerance: 1e-9
 use_nonmonotonic_steps: false
-period: 0.2                     
-n_threads: 8
+period: 0.05                     
+n_threads: 4
 compute_cov: false
 verbose: 0
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