diff --git a/embed.py b/embed.py
index 97f07d0..ae5a283 100644
--- a/embed.py
+++ b/embed.py
@@ -113,7 +113,7 @@ def control(queue, log, types, data, fout, distfn, nepochs, processes):
     parser.add_argument('-debug', help='Print debug output', action='store_true', default=False)
     opt = parser.parse_args()
 
-    th.set_default_tensor_type('torch.DoubleTensor')
+    th.set_default_tensor_type('torch.FloatTensor')
     if opt.debug:
         log_level = logging.DEBUG
     else:
diff --git a/example.sh b/example.sh
index 8d24fad..c3100d8 100755
--- a/example.sh
+++ b/example.sh
@@ -13,9 +13,9 @@ export OMP_NUM_THREADS=1
 python3 embed.py \
        -dim 5 \
        -lr 0.3 \
-       -epochs 200 \
+       -epochs 300 \
        -negs 50 \
-       -burnin 10 \
+       -burnin 20 \
        -nproc "${NTHREADS}" \
        -distfn poincare \
        -dset wordnet/mammal_closure.tsv \
diff --git a/model.py b/model.py
index 04ff39a..708af22 100644
--- a/model.py
+++ b/model.py
@@ -23,7 +23,6 @@ def __init__(self, eps=eps):
         self.eps = eps
 
     def forward(self, x):
-        self.save_for_backward(x)
         self.z = th.sqrt(x * x - 1)
         return th.log(x + self.z)
 
@@ -130,7 +129,7 @@ def loss(self, preds, targets, weight=None, size_average=True):
 
 class GraphDataset(Dataset):
     _ntries = 10
-    _dampening = 0.75
+    _dampening = 1
 
     def __init__(self, idx, objects, nnegs, unigram_size=1e8):
         print('Indexing data')
@@ -174,7 +173,10 @@ def __getitem__(self, i):
         t, h, _ = self.idx[i]
         negs = set()
         ntries = 0
-        while ntries < self.max_tries and len(negs) < self.nnegs:
+        nnegs = self.nnegs
+        if self.burnin:
+            nnegs *= 0.1
+        while ntries < self.max_tries and len(negs) < nnegs:
             if self.burnin:
                 n = randint(0, len(self.unigram_table))
                 n = int(self.unigram_table[n])
@@ -186,7 +188,7 @@ def __getitem__(self, i):
         if len(negs) == 0:
             negs.add(t)
         ix = [t, h] + list(negs)
-        while len(ix) < self.nnegs + 2:
+        while len(ix) < nnegs + 2:
             ix.append(ix[randint(2, len(ix))])
         return th.LongTensor(ix).view(1, len(ix)), th.zeros(1).long()
 
diff --git a/rsgd.py b/rsgd.py
index 57ef40b..7226047 100644
--- a/rsgd.py
+++ b/rsgd.py
@@ -9,7 +9,7 @@
 import torch as th
 from torch.optim.optimizer import Optimizer, required
 
-spten_t = th.sparse.DoubleTensor
+spten_t = th.sparse.FloatTensor
 
 
 def poincare_grad(p, d_p):
diff --git a/train.py b/train.py
index 82e7c57..2f7992f 100644
--- a/train.py
+++ b/train.py
@@ -11,7 +11,7 @@
 from torch.utils.data import DataLoader
 import gc
 
-_lr_multiplier = 0.1
+_lr_multiplier = 0.01
 
 
 def train_mp(model, data, optimizer, opt, log, rank, queue):