Address nested designator compiler warning issue (#1633)

src/graph/tuning.cc

@@ -262,10 +262,15 @@ static struct tuningModel tuning_model_5 {
     { 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 1.0, 0.2, 1.0, 0.4, 0.4, 0.1, 0.2, 0.2, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, },
     { 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 0.1, 1.0, 0.8, 1.0, 1.0, 1.0, },
   },
-
-  .llProtoRanges[RCCL_RS_TUNABLE] = /*ReduceScatter*/ {/* LL (Min/Max) */ {0, 655360,  1} ,  /* LL128 (Min/Max) */ {131072, 3211264, 1}},
-  .llProtoRanges[RCCL_AG_TUNABLE] = /*AllGather*/     {/* LL (Min/Max) */ {0, 98304,   1} ,  /* LL128 (Min/Max) */ {98304, 5046272, 1}},
-  .llProtoRanges[RCCL_AR_TUNABLE] = /*AllReduce*/     {/* LL (Min/Max) */ {0, 1048576, 1} ,  /* LL128 (Min/Max) */ {1048576, 9437184, 3145728}},
+  // Follow order in RcclTunableColls
+  .llProtoRanges = {
+    /*ReduceScatter*/
+    {/*LL (min/max/factor)*/ {0, 655360, 1}, /*LL64/128 (min/max/factor)*/ {131072, 3211264, 1}},
+    /*AllGather*/
+    {/*LL (min/max/factor)*/ {0, 98304, 1},  /*LL64/128 (min/max/factor)*/ {98304, 5046272, 1}},
+    /*AllReduce*/
+    {/*LL (min/max/factor)*/ {0, 1048576, 1},/*LL64/128 (min/max/factor)*/ {1048576, 9437184, 3145728}},
+  },
 };
 
 static struct tuningModel rcclTuningModel[] = {