Merge branch 'deepjavalibrary:master' into master

.github/workflows/canary_d2l.yml

@@ -13,16 +13,17 @@ jobs:
       matrix:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
-        - uses: actions/checkout@v1
+        - uses: actions/checkout@v3
         - name: Set up JDK 11
-          uses: actions/setup-java@v1
+          uses: actions/setup-java@v3
           with:
+            distribution: 'corretto'
             java-version: 11
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v3
         - name: Set up Python3
-          uses: actions/setup-python@v2
+          uses: actions/setup-python@v4
           with:
-            python-version: 3.7
+            python-version: '3.x'
         - name: Install IJava kernel
           run: |
             pip3 install jupyter

.github/workflows/colab.yml

@@ -8,11 +8,11 @@ on:
 
 jobs:
   sync:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python3
-        uses: actions/setup-python@v1
+        uses: actions/setup-python@v4
         with:
           python-version: '3.x'
       - name: Add colab instruction on notebooks

.github/workflows/pr_notebook.yml

@@ -12,7 +12,7 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     strategy:
       matrix:
         group: ["CH1_CH4_DROPOUT", "CH4_MID", "CH4_REST", "CH8_1", "CH8_2", "CH9_1", "CH9_2", "CH10_1", "CH10_2", "CH11", "CH14", "REST"]
@@ -30,16 +30,17 @@ jobs:
       CH14: "word2vec.ipynb approx-training.ipynb word-embedding-dataset.ipynb glove.ipynb subword-embedding.ipynb"
       REST: "chapter_convolutional-neural-networks chapter_linear-networks utils"
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v3
       - name: Set up JDK 11
-        uses: actions/setup-java@v1
+        uses: actions/setup-java@v3
         with:
+          distribution: 'corretto'
           java-version: 11
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Set up Python3
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v4
         with:
-          python-version: 3.7
+          python-version: '3.x'
       - name: Install IJava kernel
         run: |
           pip3 install jupyter
@@ -52,7 +53,7 @@ jobs:
           export MAX_EPOCH=2
           bash test_notebook.sh $${{ matrix.group }}
       - name: generated Notebook in html
-        uses: actions/upload-artifact@v1
+        uses: actions/upload-artifact@v3
         if: always()
         with:
           name: notebook

chapter_installation/index.ipynb

@@ -127,12 +127,12 @@
     "\n",
     "```java\n",
     "// Add the maven dependencies\n",
-    "%maven ai.djl:api:0.19.0\n",
+    "%maven ai.djl:api:0.20.0\n",
     "%maven org.slf4j:slf4j-simple:2.0.1\n",
     "        \n",
     "// See https://github.com/deepjavalibrary/djl/blob/master/mxnet/mxnet-engine/README.md\n",
     "// for more MXNet library selection options\n",
-    "%maven ai.djl.mxnet:mxnet-engine:0.19.0\n",
+    "%maven ai.djl.mxnet:mxnet-engine:0.20.0\n",
     "```\n",
     "\n",
     "To avoid repeatedly adding maven dependencies and import required packages, we just load a predefined jupyter notebook: \n",

chapter_preliminaries/lookup-api.ipynb

@@ -60,7 +60,7 @@
     "\n",
     "For more specific instructions on how to use a given function or class, we can click the desired function or go to it directly by scrolling down and searching for it. As an example, let us explore the usage instructions for `NDManager`'s `ones` function which takes a `Shape` as a parameter. \n",
     "\n",
-    "https://javadoc.io/static/ai.djl/api/0.19.0/ai/djl/ndarray/NDManager.html#ones(ai.djl.ndarray.types.Shape)\n"
+    "https://javadoc.io/static/ai.djl/api/0.20.0/ai/djl/ndarray/NDManager.html#ones(ai.djl.ndarray.types.Shape)\n"
    ]
   },
   {

chapter_recurrent-neural-networks/language-models-and-dataset.ipynb

@@ -477,8 +477,8 @@
     "}\n",
     "\n",
     "for (NDList pair : seqDataIterRandom(mySeq, 2, 5, manager)) {\n",
-    "    System.out.println(\"X:\\n\" + pair.get(0).toDebugString(50, 50, 50, 50));\n",
-    "    System.out.println(\"Y:\\n\" + pair.get(1).toDebugString(50, 50, 50, 50));\n",
+    "    System.out.println(\"X:\\n\" + pair.get(0).toDebugString(50, 50, 50, 50, true));\n",
+    "    System.out.println(\"Y:\\n\" + pair.get(1).toDebugString(50, 50, 50, 50, true));\n",
     "}"
    ]
   },
@@ -555,8 +555,8 @@
    "outputs": [],
    "source": [
     "for (NDList pair : seqDataIterSequential(mySeq, 2, 5, manager)) {\n",
-    "    System.out.println(\"X:\\n\" + pair.get(0).toDebugString(10, 10, 10, 10));\n",
-    "    System.out.println(\"Y:\\n\" + pair.get(1).toDebugString(10, 10, 10, 10));\n",
+    "    System.out.println(\"X:\\n\" + pair.get(0).toDebugString(10, 10, 10, 10, true));\n",
+    "    System.out.println(\"Y:\\n\" + pair.get(1).toDebugString(10, 10, 10, 10, true));\n",
     "}"
    ]
   },

debug/build.gradle

@@ -28,7 +28,7 @@ configure(this) {
     apply from: file("tools/gradle/java-formatter.gradle")
 }
 
-def djl_version = "0.19.0"
+def djl_version = "0.20.0"
 
 dependencies {
     implementation platform("ai.djl:bom:${djl_version}")

debug/gradle.properties

@@ -7,4 +7,4 @@ systemProp.org.gradle.internal.http.connectionTimeout=60000
 # FIXME: Workaround gradle publish issue: https://github.com/gradle/gradle/issues/11308
 systemProp.org.gradle.internal.publish.checksums.insecure=true
 
-log4j_slf4j_version=2.17.2
+log4j_slf4j_version=2.19.0

homework/solutions/homework1_sol.ipynb

@@ -32,11 +32,11 @@
    "source": [
     "%mavenRepo snapshots https://oss.sonatype.org/content/repositories/snapshots/\n",
     "\n",
-    "%maven ai.djl:api:0.19.0\n",
+    "%maven ai.djl:api:0.20.0\n",
     "%maven org.slf4j:slf4j-api:2.0.1\n",
     "%maven org.slf4j:slf4j-simple:2.0.1\n",
     "\n",
-    "%maven ai.djl.mxnet:mxnet-engine:0.19.0"
+    "%maven ai.djl.mxnet:mxnet-engine:0.20.0"
    ]
   },
   {

utils/djl-imports.ipynb

@@ -6,9 +6,9 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%maven ai.djl:basicdataset:0.19.0\n",
-    "%maven ai.djl.mxnet:mxnet-engine:0.19.0\n",
-    "%maven org.slf4j:slf4j-simple:2.0.1"
+    "%maven ai.djl:basicdataset:0.20.0\n",
+    "%maven ai.djl.mxnet:mxnet-engine:0.20.0\n",
+    "%maven org.slf4j:slf4j-simple:1.7.36"
    ]
   },
   {