*: revert changes to frostt download script

We shouldn't add any dimensions to the front of the tns format,
otherwise other tools can't parse it.

Author: rohany

download_frostt.sh

@@ -9,18 +9,6 @@ TENSOR_NAMES=(
   "uber-pickups"
 )
 
-# The tensor format from FROSTT is not self describing. Prepend
-# we'll prepend information about the dimensions to make it so.
-# This array should stay in line with the other arrays. In particular
-# it should contain the size of each dimension in the tensor, followed
-# by the number of non-zeros.
-TENSOR_DIMS=(
-  "6186 24 77 32 5330673"
-  "1605 4198 1631 4209 868131 1698825"
-  "2482 2862 14036 17 3101609"
-  "183 24 1140 1717 3309490"
-)
-
 TENSOR_URLS=(
   "https://s3.us-east-2.amazonaws.com/frostt/frostt_data/chicago-crime/comm/chicago-crime-comm.tns.gz"
   "https://s3.us-east-2.amazonaws.com/frostt/frostt_data/lbnl-network/lbnl-network.tns.gz"
@@ -32,16 +20,11 @@ mkdir -p data/FROSTT
 
 for i in ${!TENSOR_URLS[@]}; do
     name=${TENSOR_NAMES[$i]}
-    dim=${TENSOR_DIMS[$i]}
     url=${TENSOR_URLS[$i]}
-    outdir="data/FROSTT/$name"
-    if [ -d "$outdir" ]; then
+    out="data/FROSTT/$name.tns"
+    if [ -f "$out" ]; then
         continue
     fi
-    echo "Downloading tensor $name to $outdir"
-    mkdir "$outdir"
-    # Write the dimension to the file.
-    echo "$dim" > "$outdir/tensor.frostt"
-    # Append the rest of the data to the file.
-    curl $url | gzip -d -c >> "$outdir/tensor.frostt"
+    echo "Downloading tensor $name to $out"
+    curl $url | gzip -d -c > "$out"
 done