diff --git a/benchmarks/linearHashNTA.c b/benchmarks/linearHashNTA.c
index 07c6c6b..8aedf75 100644
--- a/benchmarks/linearHashNTA.c
+++ b/benchmarks/linearHashNTA.c
@@ -7,41 +7,40 @@
 
 int main(int argc, char** argv) {
 
-  assert(argc == 3);
+  assert(argc == 3 || argc == 4);
 
   int xact_count = atoi(argv[1]);
   int count = atoi(argv[2]);
-  int k;
 
-  /*  unlink("storefile.txt");
-  unlink("logfile.txt");
-  unlink("blob0_file.txt");
-  unlink("blob1_file.txt"); */
+  int fixed_len = (argc == 4);
   
   Tinit();
-   int xid = Tbegin();
-   
-   //recordid hash = ThashCreate(xid, sizeof(int), sizeof(int));
-   recordid hash = ThashCreate(xid, VARIABLE_LENGTH, VARIABLE_LENGTH);
 
-   Tcommit(xid);
-   
-   int i = 0;
-   
-   for(k = 0; k < xact_count; k++) {
-     
-     xid = Tbegin();
-     
-     for(;i < count *(k+1) ; i++) {
-       
-       ThashInsert(xid, hash, (byte*)&i, sizeof(int), (byte*)&i, sizeof(int));
-       
-     }
-     
-     Tcommit(xid);
-     
-   }
+  int xid = Tbegin();
 
-   Tdeinit();
+  recordid hash;
+  if(fixed_len) {
+    hash = ThashCreate(xid, sizeof(int), sizeof(int));
+  } else {
+    hash = ThashCreate(xid, VARIABLE_LENGTH, VARIABLE_LENGTH);
+  }
+
+  Tcommit(xid);
+
+  int i = 0;
+
+  for(int k = 0; k < xact_count; k++) {
+
+    xid = Tbegin();
+
+    for(;i < count *(k+1) ; i++) {
+      ThashInsert(xid, hash, (byte*)&i, sizeof(int), (byte*)&i, sizeof(int));
+    }
+
+    Tcommit(xid);
+
+  }
+
+  Tdeinit();
 
 }
diff --git a/src/stasis/operations/linearHashNTA.c b/src/stasis/operations/linearHashNTA.c
index 51a62c4..32b46ad 100644
--- a/src/stasis/operations/linearHashNTA.c
+++ b/src/stasis/operations/linearHashNTA.c
@@ -93,6 +93,7 @@ compensated_function recordid ThashCreate(int xid, int keySize, int valueSize) {
     }
 
   } else {
+#ifdef ARRAY_LIST_OLD_ALLOC
     byte * entry = calloc(1, lhh.buckets.size);
     for(i = 0; i < HASH_INIT_ARRAY_LIST_COUNT; i++) {
       bucket.slot = i;
@@ -101,6 +102,7 @@ compensated_function recordid ThashCreate(int xid, int keySize, int valueSize) {
       } end_action_ret(NULLRID);
     }
     free (entry);
+#endif
   }
   lhh.keySize = keySize;
   lhh.valueSize = valueSize;
@@ -360,16 +362,19 @@ compensated_function static void ThashSplitBucket(int xid, recordid hashHeader,
     recordid new_bucket_rid = lhh->buckets;
     old_bucket_rid.slot = old_bucket;
     new_bucket_rid.slot = new_bucket;
-
-    TarrayListExtend(xid, lhh->buckets, 1);
+    if(!(new_bucket % HASH_INIT_ARRAY_LIST_COUNT)) {
+      TarrayListExtend(xid, lhh->buckets, HASH_INIT_ARRAY_LIST_COUNT);
+    }
     recordid new_bucket_list; // will be uninitialized if we have fixed length entries.
     if(lhh->keySize == VARIABLE_LENGTH || lhh->valueSize == VARIABLE_LENGTH) {
       new_bucket_list = TpagedListAlloc(xid);
       Tset(xid, new_bucket_rid, &new_bucket_list);
     } else {
+#ifdef ARRAY_LIST_OLD_ALLOC
       byte * entry = calloc(1, lhh->buckets.size);
       Tset(xid, new_bucket_rid, entry);
       free(entry);
+#endif
     }
     if(lhh->nextSplit < stasis_util_two_to_the(lhh->bits-1)-1) {
       lhh->nextSplit++;