PERF-2 P2-c: RTX_FSI2O_INNER_STOP knob — the background Poisson's inner stop as a multiple of the Schwarz tolerance (default 0.1; the band-gated ladder on the CG iteration count)

Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01YJPeT6WA2e7YvAnS875AHL
2026-09-16 00:50:52 -05:00
parent 822041fb3f
commit 8c130c55c8
2 changed files with 20 additions and 0 deletions
@@ -329,6 +329,14 @@ impl OversetPisoSolver {
        })
    }

+    /// PERF-2 P2-c: the background pressure solve's inner stop as a
+    /// multiple of the Schwarz tolerance (the constructor's 0.1; a knob for
+    /// the band-gated ladder — an accuracy change, never bit-identical).
+    pub fn set_inner_stop_multiplier(&mut self, multiplier: f64) {
+        self.background
+            .set_inner_stop_factor(multiplier * self.params.schwarz_tolerance);
+    }
+
    /// PERF-2 P2: threads for the background multigrid's red-black maps.
    pub fn set_poisson_threads(&mut self, threads: usize) {
        self.background.set_poisson_threads(threads);