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Posted to commits@mxnet.apache.org by GitBox <gi...@apache.org> on 2019/02/02 15:27:17 UTC
[GitHub] kedarbellare commented on a change in pull request #13993:
[Clojure] Add resource scope to clojure package
kedarbellare commented on a change in pull request #13993: [Clojure] Add resource scope to clojure package
URL: https://github.com/apache/incubator-mxnet/pull/13993#discussion_r253268889
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File path: contrib/clojure-package/test/org/apache/clojure_mxnet/resource_scope_test.clj
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@@ -0,0 +1,151 @@
+;;
+;; Licensed to the Apache Software Foundation (ASF) under one or more
+;; contributor license agreements. See the NOTICE file distributed with
+;; this work for additional information regarding copyright ownership.
+;; The ASF licenses this file to You under the Apache License, Version 2.0
+;; (the "License"); you may not use this file except in compliance with
+;; the License. You may obtain a copy of the License at
+;;
+;; http://www.apache.org/licenses/LICENSE-2.0
+;;
+;; Unless required by applicable law or agreed to in writing, software
+;; distributed under the License is distributed on an "AS IS" BASIS,
+;; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+;; See the License for the specific language governing permissions and
+;; limitations under the License.
+;;
+
+(ns org.apache.clojure-mxnet.resource-scope-test
+ (:require [org.apache.clojure-mxnet.ndarray :as ndarray]
+ [org.apache.clojure-mxnet.symbol :as sym]
+ [org.apache.clojure-mxnet.resource-scope :as resource-scope]
+ [clojure.test :refer :all]))
+
+
+(deftest test-resource-scope-with-ndarray
+ (let [native-resources (atom {})
+ x (ndarray/ones [2 2])
+ return-val (resource-scope/using
+ (let [temp-x (ndarray/ones [3 1])
+ temp-y (ndarray/ones [3 1])]
+ (swap! native-resources assoc :temp-x temp-x)
+ (swap! native-resources assoc :temp-y temp-y)
+ (ndarray/+ temp-x 1)))]
+ (is (true? (ndarray/is-disposed (:temp-x @native-resources))))
+ (is (true? (ndarray/is-disposed (:temp-y @native-resources))))
+ (is (false? (ndarray/is-disposed return-val)))
+ (is (false? (ndarray/is-disposed x)))
+ (is (= [2.0 2.0 2.0] (ndarray/->vec return-val)))))
+
+(deftest test-nested-resource-scope-with-ndarray
+ (let [native-resources (atom {})
+ x (ndarray/ones [2 2])
+ return-val (resource-scope/using
+ (let [temp-x (ndarray/ones [3 1])]
+ (swap! native-resources assoc :temp-x temp-x)
+ (resource-scope/using
+ (let [temp-y (ndarray/ones [3 1])]
+ (swap! native-resources assoc :temp-y temp-y)))))]
+ (is (true? (ndarray/is-disposed (:temp-y @native-resources))))
+ (is (true? (ndarray/is-disposed (:temp-x @native-resources))))
+ (is (false? (ndarray/is-disposed x)))))
+
+(deftest test-resource-scope-with-sym
+ (let [native-resources (atom {})
+ x (sym/ones [2 2])
+ return-val (resource-scope/using
+ (let [temp-x (sym/ones [3 1])
+ temp-y (sym/ones [3 1])]
+ (swap! native-resources assoc :temp-x temp-x)
+ (swap! native-resources assoc :temp-y temp-y)
+ (sym/+ temp-x 1)))]
+ (is (true? (sym/is-disposed (:temp-x @native-resources))))
+ (is (true? (sym/is-disposed (:temp-y @native-resources))))
+ (is (false? (sym/is-disposed return-val)))
+ (is (false? (sym/is-disposed x)))))
+
+(deftest test-nested-resource-scope-with-ndarray
+ (let [native-resources (atom {})
+ x (ndarray/ones [2 2])
+ return-val (resource-scope/using
+ (let [temp-x (ndarray/ones [3 1])]
+ (swap! native-resources assoc :temp-x temp-x)
+ (resource-scope/using
+ (let [temp-y (ndarray/ones [3 1])]
+ (swap! native-resources assoc :temp-y temp-y)))))]
+ (is (true? (ndarray/is-disposed (:temp-y @native-resources))))
+ (is (true? (ndarray/is-disposed (:temp-x @native-resources))))
+ (is (false? (ndarray/is-disposed x)))))
+
+(deftest test-nested-resource-scope-with-sym
+ (let [native-resources (atom {})
+ x (sym/ones [2 2])
+ return-val (resource-scope/using
+ (let [temp-x (sym/ones [3 1])]
+ (swap! native-resources assoc :temp-x temp-x)
+ (resource-scope/using
+ (let [temp-y (sym/ones [3 1])]
+ (swap! native-resources assoc :temp-y temp-y)))))]
+ (is (true? (sym/is-disposed (:temp-y @native-resources))))
+ (is (true? (sym/is-disposed (:temp-x @native-resources))))
+ (is (false? (sym/is-disposed x)))))
+
+;;; Note that if first is returned the rest of the collection ndarrays will
+;;; NOT be disposed
+(deftest test-list-creation-with-returning-first
+ (let [native-resources (atom {})
+ return-val (resource-scope/using
+ (let [temp-ndarrays (mapv (constantly (ndarray/ones [3 1])) (range 5))
+ _ (swap! native-resources assoc :temp-ndarrays temp-ndarrays)]
+ (first temp-ndarrays)))]
+ (is (false? (ndarray/is-disposed return-val)))
+ (is (every? false? (mapv ndarray/is-disposed (:temp-ndarrays @native-resources))))))
+
+;;; To have the rest of the collection disposed you need to call copy on the result
+(deftest test-list-creation-with-return-a-copy-of-first
+ (let [native-resources (atom {})
+ return-val (resource-scope/using
+ (let [temp-ndarrays (repeatedly 3 #(ndarray/ones [3 1]))
+ _ (swap! native-resources assoc :temp-ndarrays temp-ndarrays)]
+ (ndarray/copy (first temp-ndarrays))))]
+ (is (false? (ndarray/is-disposed return-val)))
+ (is (every? true? (mapv ndarray/is-disposed (:temp-ndarrays @native-resources))))))
+
+;;; If you don't assign them all to a let vector binding and just return the first
+;; then they are disposed as usual
+(deftest test-list-creation-with-return-a-copy-of-first
+ (let [native-resources (atom [])
+ return-val (resource-scope/using
+ (first (repeatedly 5 #(do
+ (let [x (ndarray/ones [3 1])]
+ (swap! native-resources conj x)
+ x)))))]
+ (is (false? (ndarray/is-disposed return-val)))
+ (is (every? true? (mapv ndarray/is-disposed (:temp-ndarrays @native-resources))))))
Review comment:
`@native-resources` is a vector. just check `(mapv ndarray/is-disposed @native-resources)`? (also i didn't know that `(:keyword vector)` didn't raise an error)
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