SparkNLP 996 - Introducing Phi-2

python/sparknlp/annotator/seq2seq/__init__.py

@@ -19,3 +19,4 @@
 from sparknlp.annotator.seq2seq.bart_transformer import *
 from sparknlp.annotator.seq2seq.llama2_transformer import *
 from sparknlp.annotator.seq2seq.m2m100_transformer import *
+from sparknlp.annotator.seq2seq.phi2_transformer import *

python/sparknlp/annotator/seq2seq/phi2_transformer.py

@@ -0,0 +1,326 @@
+#  Copyright 2017-2022 John Snow Labs
+#
+#  Licensed 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.
+"""Contains classes for the Phi2Transformer."""
+
+from sparknlp.common import *
+
+
+class Phi2Transformer(AnnotatorModel, HasBatchedAnnotate, HasEngine):
+    """Phi-2: Textbooks Are All You Need.
+
+    Phi-2 is a Transformer with 2.7 billion parameters. It was trained using the same data sources as Phi-1.5,
+    augmented with a new data source that consists of various NLP synthetic texts and filtered websites
+    (for safety and educational value). When assessed against benchmarks testing common sense, language understanding,
+    and logical reasoning, Phi-2 showcased a nearly state-of-the-art performance among models with less than 13 billion
+    parameters.
+
+    Phi-2 hasn't been fine-tuned through reinforcement learning from human feedback. The intention behind crafting
+    this open-source model is to provide the research community with a non-restricted small model to explore vital
+    safety challenges, such as reducing toxicity, understanding societal biases, enhancing controllability, and more.
+
+    Pretrained models can be loaded with :meth:`.pretrained` of the companion
+    object:
+
+    >>> phi2 = Phi2Transformer.pretrained() \\
+    ...     .setInputCols(["document"]) \\
+    ...     .setOutputCol("generation")
+
+
+    The default model is ``"llam2-7b"``, if no name is provided. For available
+    pretrained models please see the `Models Hub
+    <https://sparknlp.org/models?q=phi2>`__.
+
+    ====================== ======================
+    Input Annotation types Output Annotation type
+    ====================== ======================
+    ``DOCUMENT``           ``DOCUMENT``
+    ====================== ======================
+
+    Parameters
+    ----------
+    configProtoBytes
+        ConfigProto from tensorflow, serialized into byte array.
+    minOutputLength
+        Minimum length of the sequence to be generated, by default 0
+    maxOutputLength
+        Maximum length of output text, by default 20
+    doSample
+        Whether or not to use sampling; use greedy decoding otherwise, by default False
+    temperature
+        The value used to module the next token probabilities, by default 1.0
+    topK
+        The number of highest probability vocabulary tokens to keep for
+        top-k-filtering, by default 50
+    topP
+        Top cumulative probability for vocabulary tokens, by default 1.0
+
+        If set to float < 1, only the most probable tokens with probabilities
+        that add up to ``topP`` or higher are kept for generation.
+    repetitionPenalty
+        The parameter for repetition penalty, 1.0 means no penalty. , by default
+        1.0
+    noRepeatNgramSize
+        If set to int > 0, all ngrams of that size can only occur once, by
+        default 0
+    ignoreTokenIds
+        A list of token ids which are ignored in the decoder's output, by
+        default []
+
+    Notes
+    -----
+    This is a very computationally expensive module especially on larger
+    sequence. The use of an accelerator such as GPU is recommended.
+
+    References
+    ----------
+    - `Phi-2: Textbooks Are All You Need.
+      <https://www.microsoft.com/en-us/research/blog/phi-2-the-surprising-power-of-small-language-models/>`__
+    - https://huggingface.co/microsoft/phi-2
+
+    **Paper Abstract:**
+
+    *In this work, we develop and release Llama 2, a collection of pretrained and fine-tuned
+    large language models (LLMs) ranging in scale from 7 billion to 70 billion parameters. Our
+    fine-tuned LLMs, called Llama 2-Chat, are optimized for dialogue use cases. Our models
+    outperform open-source chat models on most benchmarks we tested, and based on our human
+    evaluations for helpfulness and safety, may be a suitable substitute for closed-source models.
+    We provide a detailed description of our approach to fine-tuning and safety improvements of
+    Llama 2-Chat in order to enable the community to build on our work and contribute to the
+    responsible development of LLMs.*
+
+    Examples
+    --------
+    >>> import sparknlp
+    >>> from sparknlp.base import *
+    >>> from sparknlp.annotator import *
+    >>> from pyspark.ml import Pipeline
+    >>> documentAssembler = DocumentAssembler() \\
+    ...     .setInputCol("text") \\
+    ...     .setOutputCol("documents")
+    >>> phi2 = Phi2Transformer.pretrained("phi2-7b") \\
+    ...     .setInputCols(["documents"]) \\
+    ...     .setMaxOutputLength(50) \\
+    ...     .setOutputCol("generation")
+    >>> pipeline = Pipeline().setStages([documentAssembler, phi2])
+    >>> data = spark.createDataFrame([["My name is Leonardo."]]).toDF("text")
+    >>> result = pipeline.fit(data).transform(data)
+    >>> result.select("summaries.generation").show(truncate=False)
+    +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+    |result                                                                                                                                                                                              |
+    +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+    |[My name is Leonardo . I am a student of the University of California, Berkeley. I am interested in the field of Artificial Intelligence and its applications in the real world. I have a strong    |
+    | passion for learning and am always looking for ways to improve my knowledge and skills]                                                                                                            |
+    -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+    """
+
+    name = "Phi2Transformer"
+
+    inputAnnotatorTypes = [AnnotatorType.DOCUMENT]
+
+    outputAnnotatorType = AnnotatorType.DOCUMENT
+
+    configProtoBytes = Param(Params._dummy(), "configProtoBytes",
+                             "ConfigProto from tensorflow, serialized into byte array. Get with config_proto.SerializeToString()",
+                             TypeConverters.toListInt)
+
+    minOutputLength = Param(Params._dummy(), "minOutputLength", "Minimum length of the sequence to be generated",
+                            typeConverter=TypeConverters.toInt)
+
+    maxOutputLength = Param(Params._dummy(), "maxOutputLength", "Maximum length of output text",
+                            typeConverter=TypeConverters.toInt)
+
+    doSample = Param(Params._dummy(), "doSample", "Whether or not to use sampling; use greedy decoding otherwise",
+                     typeConverter=TypeConverters.toBoolean)
+
+    temperature = Param(Params._dummy(), "temperature", "The value used to module the next token probabilities",
+                        typeConverter=TypeConverters.toFloat)
+
+    topK = Param(Params._dummy(), "topK",
+                 "The number of highest probability vocabulary tokens to keep for top-k-filtering",
+                 typeConverter=TypeConverters.toInt)
+
+    topP = Param(Params._dummy(), "topP",
+                 "If set to float < 1, only the most probable tokens with probabilities that add up to ``top_p`` or higher are kept for generation",
+                 typeConverter=TypeConverters.toFloat)
+
+    repetitionPenalty = Param(Params._dummy(), "repetitionPenalty",
+                              "The parameter for repetition penalty. 1.0 means no penalty. See `this paper <https://arxiv.org/pdf/1909.05858.pdf>`__ for more details",
+                              typeConverter=TypeConverters.toFloat)
+
+    noRepeatNgramSize = Param(Params._dummy(), "noRepeatNgramSize",
+                              "If set to int > 0, all ngrams of that size can only occur once",
+                              typeConverter=TypeConverters.toInt)
+
+    ignoreTokenIds = Param(Params._dummy(), "ignoreTokenIds",
+                           "A list of token ids which are ignored in the decoder's output",
+                           typeConverter=TypeConverters.toListInt)
+
+    def setIgnoreTokenIds(self, value):
+        """A list of token ids which are ignored in the decoder's output.
+
+        Parameters
+        ----------
+        value : List[int]
+            The words to be filtered out
+        """
+        return self._set(ignoreTokenIds=value)
+
+    def setConfigProtoBytes(self, b):
+        """Sets configProto from tensorflow, serialized into byte array.
+
+        Parameters
+        ----------
+        b : List[int]
+            ConfigProto from tensorflow, serialized into byte array
+        """
+        return self._set(configProtoBytes=b)
+
+    def setMinOutputLength(self, value):
+        """Sets minimum length of the sequence to be generated.
+
+        Parameters
+        ----------
+        value : int
+            Minimum length of the sequence to be generated
+        """
+        return self._set(minOutputLength=value)
+
+    def setMaxOutputLength(self, value):
+        """Sets maximum length of output text.
+
+        Parameters
+        ----------
+        value : int
+            Maximum length of output text
+        """
+        return self._set(maxOutputLength=value)
+
+    def setDoSample(self, value):
+        """Sets whether or not to use sampling, use greedy decoding otherwise.
+
+        Parameters
+        ----------
+        value : bool
+            Whether or not to use sampling; use greedy decoding otherwise
+        """
+        return self._set(doSample=value)
+
+    def setTemperature(self, value):
+        """Sets the value used to module the next token probabilities.
+
+        Parameters
+        ----------
+        value : float
+            The value used to module the next token probabilities
+        """
+        return self._set(temperature=value)
+
+    def setTopK(self, value):
+        """Sets the number of highest probability vocabulary tokens to keep for
+        top-k-filtering.
+
+        Parameters
+        ----------
+        value : int
+            Number of highest probability vocabulary tokens to keep
+        """
+        return self._set(topK=value)
+
+    def setTopP(self, value):
+        """Sets the top cumulative probability for vocabulary tokens.
+
+        If set to float < 1, only the most probable tokens with probabilities
+        that add up to ``topP`` or higher are kept for generation.
+
+        Parameters
+        ----------
+        value : float
+            Cumulative probability for vocabulary tokens
+        """
+        return self._set(topP=value)
+
+    def setRepetitionPenalty(self, value):
+        """Sets the parameter for repetition penalty. 1.0 means no penalty.
+
+        Parameters
+        ----------
+        value : float
+            The repetition penalty
+
+        References
+        ----------
+        See `Ctrl: A Conditional Transformer Language Model For Controllable
+        Generation <https://arxiv.org/pdf/1909.05858.pdf>`__ for more details.
+        """
+        return self._set(repetitionPenalty=value)
+
+    def setNoRepeatNgramSize(self, value):
+        """Sets size of n-grams that can only occur once.
+
+        If set to int > 0, all ngrams of that size can only occur once.
+
+        Parameters
+        ----------
+        value : int
+            N-gram size can only occur once
+        """
+        return self._set(noRepeatNgramSize=value)
+
+    @keyword_only
+    def __init__(self, classname="com.johnsnowlabs.nlp.annotators.seq2seq.Phi2Transformer", java_model=None):
+        super(Phi2Transformer, self).__init__(classname=classname, java_model=java_model)
+        self._setDefault(minOutputLength=0, maxOutputLength=20, doSample=False, temperature=0.6, topK=50, topP=0.9,
+            repetitionPenalty=1.0, noRepeatNgramSize=0, ignoreTokenIds=[], batchSize=1)
+
+    @staticmethod
+    def loadSavedModel(folder, spark_session):
+        """Loads a locally saved model.
+
+        Parameters
+        ----------
+        folder : str
+            Folder of the saved model
+        spark_session : pyspark.sql.SparkSession
+            The current SparkSession
+
+        Returns
+        -------
+        Phi2Transformer
+            The restored model
+        """
+        from sparknlp.internal import _Phi2Loader
+        jModel = _Phi2Loader(folder, spark_session._jsparkSession)._java_obj
+        return Phi2Transformer(java_model=jModel)
+
+    @staticmethod
+    def pretrained(name="phi2-7b", lang="en", remote_loc=None):
+        """Downloads and loads a pretrained model.
+
+        Parameters
+        ----------
+        name : str, optional
+            Name of the pretrained model, by default "phi2-7b"
+        lang : str, optional
+            Language of the pretrained model, by default "en"
+        remote_loc : str, optional
+            Optional remote address of the resource, by default None. Will use
+            Spark NLPs repositories otherwise.
+
+        Returns
+        -------
+        Phi2Transformer
+            The restored model
+        """
+        from sparknlp.pretrained import ResourceDownloader
+        return ResourceDownloader.downloadModel(Phi2Transformer, name, lang, remote_loc)

python/sparknlp/internal/__init__.py

@@ -208,6 +208,10 @@ def __init__(self, path, jspark):
         super(_MPNetLoader, self).__init__(
             "com.johnsnowlabs.nlp.embeddings.MPNetEmbeddings.loadSavedModel", path, jspark)
 
+class _Phi2Loader(ExtendedJavaWrapper):
+    def __init__(self, path, jspark):
+        super(_Phi2Loader, self).__init__(
+            "com.johnsnowlabs.nlp.annotators.seq2seq.Phi2Transformer.loadSavedModel", path, jspark)
 
 class _RoBertaLoader(ExtendedJavaWrapper):
     def __init__(self, path, jspark):

python/test/annotator/seq2seq/phi2_transformer_test.py

@@ -0,0 +1,47 @@
+#  Copyright 2017-2022 John Snow Labs
+#
+#  Licensed 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.
+import unittest
+
+import pytest
+
+from sparknlp.annotator import *
+from sparknlp.base import *
+from test.util import SparkContextForTest
+
+
+@pytest.mark.slow
+class Phi2TransformerTextGenerationTestSpec(unittest.TestCase):
+    def setUp(self):
+        self.spark = SparkContextForTest.spark
+
+    def runTest(self):
+        data = self.spark.createDataFrame([
+            [1, """Leonardo Da Vinci invented the microscope?""".strip().replace("\n", " ")]]).toDF("id", "text")
+
+        document_assembler = DocumentAssembler() \
+            .setInputCol("text") \
+            .setOutputCol("documents")
+
+        phi2 = Phi2Transformer \
+            .pretrained() \
+            .setMaxOutputLength(50) \
+            .setDoSample(False) \
+            .setInputCols(["documents"]) \
+            .setOutputCol("generation")
+
+        pipeline = Pipeline().setStages([document_assembler, phi2])
+        results = pipeline.fit(data).transform(data)
+
+        results.select("generation.result").show(truncate=False)
+