REPIN follows live session heat (decaying heat map; .coli_usage stays the persistent signal) + disk→RAM→VRAM promotion (#26)

2026-07-10 18:48:53 +08:00
parent 3e4d08b6bf
commit 1453dab7ae
6 changed files with 115 additions and 26 deletions
@@ -0,0 +1,22 @@
+#include <stdio.h>
+#include "../tier.h"
+
+static int fail(const char *message){
+    fprintf(stderr,"tier test failed: %s\n",message);
+    return 1;
+}
+
+int main(void){
+    uint32_t heat[6]={20,2,8,3,30,1};
+    int pinned[2]={0,1}, slot=-1, eid=-1; long gain=0;
+    if(!tier_pick_swap(heat,6,pinned,2,&slot,&eid,&gain)) return fail("hot expert not promoted");
+    if(slot!=1 || eid!=4 || gain!=28) return fail("wrong promotion candidate");
+
+    uint32_t stable[4]={20,18,24,4}; int resident[2]={0,1};
+    if(tier_pick_swap(stable,4,resident,2,&slot,&eid,&gain)) return fail("hysteresis did not block churn");
+
+    tier_decay(heat,6);
+    if(heat[0]!=10 || heat[1]!=1 || heat[4]!=15) return fail("heat decay");
+    puts("tier tests: ok");
+    return 0;
+}