From 08accebcd39e91960a5665a37b2bdb7433602456 Mon Sep 17 00:00:00 2001
From: Holger Vogt <holger.vogt@uni-due.de>
Date: Fri, 24 Apr 2026 15:21:34 +0200
Subject: [PATCH] Move the memory check to a place where it is called once only
 per plot

---
 src/frontend/outitf.c | 47 ++++++++++++++++++++++++-------------------
 1 file changed, 26 insertions(+), 21 deletions(-)

diff --git a/src/frontend/outitf.c b/src/frontend/outitf.c
index 586813947..98491d58b 100644
--- a/src/frontend/outitf.c
+++ b/src/frontend/outitf.c
@@ -111,16 +111,40 @@ OUTpBeginPlot(CKTcircuit *circuitPtr, JOB *analysisPtr,
               int numNames, IFuid *dataNames, int dataType, runDesc **plotPtr)
 {
     char *name;
+    int ret, n;
+    runDesc* plot;
 
     if (ft_curckt->ci_ckt == circuitPtr)
         name = ft_curckt->ci_name;
     else
         name = "circuit name";
 
-    return (beginPlot(analysisPtr, circuitPtr, name,
+    ret = beginPlot(analysisPtr, circuitPtr, name,
                       analName, refName, refType, numNames,
                       dataNames, dataType, FALSE,
-                      plotPtr));
+                      plotPtr);
+    plot = *plotPtr;
+    n = plot->numData;
+
+#ifndef __APPLE__
+    if (!cp_getvar("no_mem_check", CP_BOOL, NULL, 0)) {
+        /* Estimate the required memory */
+        int timesteps = vlength2delta(0);
+        size_t memrequ = (size_t)n * timesteps * sizeof(double);
+        size_t memavail = getAvailableMemorySize();
+
+        if (memrequ > memavail) {
+            fprintf(stderr, "\nError: memory required (%zu Bytes), made of\n"
+                "       %d nodes and approximately %d time steps,\n"
+                "       is more than the memory available (%zu Bytes)!\n",
+                memrequ, n, timesteps, memavail);
+            fprintf(stderr, "Setting the output memory is not possible.\n");
+            controlled_exit(1);
+        }
+    }
+#endif
+
+    return ret;
 }
 
 
@@ -556,25 +580,6 @@ OUTpD_memory(runDesc *run, IFvalue *refValue, IFvalue *valuePtr)
 {
     int i, n = run->numData;
 
-
-#ifndef __APPLE__
-    if (!cp_getvar("no_mem_check", CP_BOOL, NULL, 0)) {
-        /* Estimate the required memory */
-        int timesteps = vlength2delta(0);
-        size_t memrequ = (size_t)n * timesteps * sizeof(double);
-        size_t memavail = getAvailableMemorySize();
-
-        if (memrequ > memavail) {
-            fprintf(stderr, "\nError: memory required (%zu Bytes), made of\n"
-                "       %d nodes and approximately %d time steps,\n"
-                "       is more than the memory available (%zu Bytes)!\n",
-                memrequ, n, timesteps, memavail);
-            fprintf(stderr, "Setting the output memory is not possible.\n");
-            controlled_exit(1);
-        }
-    }
-#endif
-
     for (i = 0; i < n; i++) {
 
         dataDesc *d;