DeepLearningͷຊ൪؀ڥʹ SageMakerΛར༻ͯ͠Δ࿩ ota42y (FiNC Technologies) JAWS DAYS 2019

ࠓ೔ͷ಺༰ • TensorFlowͷϞσϧͷຊ൪ӡ༻ͷ࿩ • SageMakerʹࡌͤସ͑ΔͱָͩΑ • एׯϋϚͬͨͷͰͦͷղܾํ๏

ࣗݾ঺հ • @ota42y • αʔόαΠυΤϯδχΞ • RubyͷਓͰ͕͢ࠓ೔͸΄΅PythonͷΈ • Amazon Web ServicesαʔόʔϨεϨγϐͬͯຊΛॻ͖·ͨ͠ (AWS Serverless Application Modelʹ͍ͭͯͷ࿩)

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DeepLearningɺͯ͠·͔͢

FiNCΞϓϦͰDeepLearningͯ͠·͢

৯ࣄͷه࿥ • ೔ʑͷ৯ࣄΛอଘ͢ΔػೳΛఏڙ • ඼໨Λొ࿥͢Δͱͦͷ೔ͷΧϩϦʔ΍PFCόϥϯε͕Θ͔Δ

৯ࣄͷࣸਅղੳ • ৯ࣄͷࣸਅ͔Β඼໨ΛࣗಈͰೝࣝ͢ΔػೳΛఏڙ • ඼໨Λొ࿥ͤͣͱ΋؆୯ʹͦͷ৯ࣄͷӫཆ͕Θ͔Δ

ࣸਅͷೝࣝ͸Faster R-CNN • Կ͕ࣸͬͯΔ͔൑ఆ͢ΔλεΫ(Object Detection) • TensorFlowͰֶशͤͨ͞Faster R-CNNϞσϧ

RubyͷձࣾͳͷͰϞσϧͷӡ༻͕೉͍͠ • FiNCͷαʔό͸΄ͱΜͲ͕Ruby on Rails • ৯ࣄͷࣸਅΛอଘ͢Δαʔό΋Ruby on RailsͰͰ͖͍ͯΔ • ͦͷ··Ͱ͸TensorFlowͷϞσϧ͸࢖͑ͳ͍

RubyͱTensorFlowΛͲ͏૊Έ߹ΘͤΔ͔ • Ruby͔ΒPyCallͰPythonΛݺͿ • GPUαʔόʹPythonͱRubyͷ྆ํͷ؀ڥΛ΋ͨͤΔͷେม • PythonͷTensorFlowΛॲཧ͢ΔΞϓϦαʔόΛཱͯΔ • ϝϯς͕େม • TensorFlow ServingΛ࢖͏ • ͜Ε͕ྑͦ͞͏

TensorFlow ServingͰAPI࿈ܞ • TensorFlowͷϞσϧΛӡ༻͢ΔެࣜαʔόΞϓϦ • ෳ਺Ϟσϧͷ؅ཧɾόʔδϣχϯάՄೳ • ֤Ϟσϧʹରͯ͠REST/gRPCͷAPI͕ఏڙ͞ΕΔ • αʔόΞϓϦέʔγϣϯͷίʔυΛॻ͔ͳͯ͘ྑ͍ • Docker image΋͋ΔͷͰ؆୯ʹཱͯΒΕΔ

ӡ༻͸ΘΓͱେม… • ϞσϧΛӡ༻͢ΔαʔόΛॻ͔ͳ͍͍ͯ͘ͷ͸ศར • ΞϓϦαʔόΛ࡞Δ͜ͱʹूதͰ͖Δ • GPUαʔόͷ؅ཧɺεέʔϧ͸ࣗ෼ͨͪͰ΍Δඞཁ͕͋Δ • ϞσϧϑΝΠϧͷߋ৽ϑϩʔߏங • DockerԽͯ͠ΔͱΑΓ΍΍͘͜͠… • gRPCͱALBͷ૬ੑ͕ѱͯ͘…

ͦ͜Ͱ AWS SageMaker ࠓ5෼͙Β͍ͳΒ΋͏গ͠ৄ͘͠࿩͍͖ͯ͠·͢

AWS SageMakerͱ͸ • ϑϧϚωʔδυͳػցֶशαʔϏε • TensorFlow౳ͷ؀ڥ͕ߏங͞ΕͨJupyter Notebook • ֶश༻GPUαʔό΍αʔόΛ؅ཧ͢ΔSDK(෼ࢄֶश΋ରԠ) • ֶशͨ͠ϞσϧΛӡ༻͢Δproductionαʔό

SageMakerͩͱ Ϟσϧͷ։ൃɾֶशɾӡ༻ શ෦Ͱ͖Δ

طଘϞσϧͷӡ༻΋Ͱ͖Δ • ΋ͪΖΜ։ൃɾֶशɾӡ༻ͷҰ෦͚ͩ࢖͏͜ͱ΋Ͱ͖Δ • ࠓճ͸ࣗࣾGPUαʔόͰ࡞ͬͨTensorFlowͷϞσϧΛɹɹɹɹ SageMakerͰӡ༻ • ӡ༻͚ͩར༻Ͱ΋σϓϩΠ͕؆୯ʹͳΓɺ
 GPUαʔόͷ؅ཧ͔Βղ์͞ΕΔ

جຊతͳػೳ΋੔ͬͯΔ • Φʔτεέʔϧػೳ΋ఏڙͯ͠Δ • ৽͍͠Ϟσϧ͸ΠϛϡʔλϒϧσϓϩΠϝϯτ͞ΕΔ • ಛʹઃఆͱ͔͸ෆཁ • deploy͢Δ͚ͩͰ৽͍͠ͷ্ཱ͕͕͔ͪͬͯΒަ׵ • ෳ਺ϞσϧͷॏΈ෇͖ӡ༻΋Ͱ͖Δ

TensorFlowͷϞσϧΛಈ͔͢ • (࣮࣭)ϑϧϚωʔδυͳTensorFlow Serving͕࢖͑Δ • ϞσϧΛ༻ҙ͢Ε͹Φʔτεέʔϧ͢ΔREST API͕ੜ͑Δ • S3ʹϞσϧϑΝΠϧΛஔ͍࣮࣭ͯ3ߦॻ͚ͩ͘ from sagemaker.tensorflow.serving import Model model = Model(model_data='s3://xxx/model.tar.gz', role=……) model.deploy(initial_instance_count=1, instance_type=‘ml.c5.xlarge')

Ruby͔ΒݺͿ • AWSͷSDKʹJSONͰσʔλΛ౉͚ͩ͢ client = Aws::SageMakerRuntime::Client.new(access_key_id: ....) res = client.invoke_endpoint({ endpoint_name: "endpoint", body: data.to_json, content_type: ...})

Before After S3 ECS্ͷ Ruby on Rails ECS্ͷ TensorFlow Serving ࣸਅΛS3͔Βऔಘ ࣸਅΛ൑ผͤ͞Δ (gPRC) S3 ECS্ͷ Ruby on Rails SageMaker ࣸਅΛS3͔Βऔಘ ࣸਅΛ൑ผͤ͞Δ (JSON)

௒؆୯

Ͱ͸ͳ͔ͬͨ

• S3ʹอଘͨࣸ͠ਅΛαʔό͕ಡΈࠐΈɺTensorFlowʹૹΔ • SageMakerʹૹΔσʔλ͸5MB·Ͱͷ੍ݶ͕͋Δ • ը૾ͷ୹ล͕700ʙ800pxͰ5MBҎ্ʹͳͬͯࢮ๢ • ʘ(^o^)ʗ SageMakerͷ੍ݶʹҾ͔͔ͬͬͯ͠·ͬͨ

• ݩʑ͸ECS্ͷTensorFlow ServingʹgRPCͰૹͬͯͨ • ըૉͷ഑ྻ͸JSONʹ͢Δͱ༰ྔ͕๲ΕΔ • (n*n) pxͷRGB஋͔ΒͳΔ഑ྻΛJSONʹ͢Δͱ໿2ʙ3ഒʹ
 ؒͷεϖʔεແ͠([1,2] rubyͱ͔) ؒͷεϖʔε͋Γ([1, 2] pythonͱ͔) • ࠓ·Ͱ͸໰୊ͳ͔͚ͬͨͲJSONͩͱ…ʘ(^o^)ʗ Կ͕໰୊ʹͳ͔ͬͨ 8n2 + 2n + 1 3n2 11n2 + 2n 3n2

S3 ECS্ͷ Ruby on Rails SageMaker ࣸਅΛS3͔Βऔಘ ࣸਅΛ൑ผͤ͞Δ (JSON) ͕͜͜༰ྔΦʔόʔ

• TensorFlow Serving͕ड͚Δͷ͸σʔλͷ഑ྻ • શ෦ࠐΈͰͷΞϓϦͳͷͰ೚ҙͷॲཧΛೖΕΒΕΔ෦෼͸ແ͍ • ͱ͍͏͔ެࣜυΩϡϝϯτʹॻ͍ͯ͋Δ • ଧͭखͳ͔͠…ʘ(^o^)ʗ TensorFlow Servingతʹແཧͦ͏ 5FOTPS'MPX4FSWJOHCBTFETFSWFSUPQSPWJEFBTVQFSTFUPGUIF5FOTPS'MPX4FSWJOH 3&45"1*5IJTPQUJPOEPFTOPUSFRVJSF PSBMMPX BDVTUPNQZUIPOTDSJQU

ࠓ11෼͙Β͍ͳΒ΋͏গ͠ৄ͘͠࿩͍͖ͯ͠·͢

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SageMaker্Ͱ΋લॲཧΛ࣮ߦͰ͖Δ • TensorFlow ServingͰ͸ͳ͍σϓϩΠ΋αϙʔτͯ͠Δ
 ɹ(Python-based Endpoints) • ͦͷ৔߹͸લॲཧɾޙॲཧΛ࣮ߦͰ͖Δ

SageMaker্Ͱ΋લॲཧΛ࣮ߦͰ͖Δ • σϓϩΠ࣌ʹ࣮ߦ͢ΔϑΝΠϧΛؚΊΔ͚ͩ
 (class͕ҧ͏ͷͰ஫ҙ) • requirements.txtͰґଘύοέʔδ΋ೖΕΒΕΔ from sagemaker.tensorflow import TensorFlowModel model = TensorFlowModel(model_data = 's3://xxx/model.tar.gz', ɹɹɹɹɹɹɹɹɹɹɹɹɹɹ entry_point='pred.py', role=...) model.deploy(initial_instance_count=1, instance_type='ml.c5.xlarge')

entry_point.pyͷྫ import numpy as np def input_fn(serialized_input, content_type): """An input_fn that loads a pickled object""" if request_content_type == "application/python-pickle": deserialized_input = pickle.loads(serialized_input) return deserialized_input else: # Handle other content-types here or raise an Exception # if the content type is not supported. pass def output_fn(prediction_result, accepts): """An output_fn that dumps a pickled object as response""" if request_content_type == "application/python-pickle": return np.dumps(prediction_result) else: # Handle other content-types here or raise an Exception # if the content type is not supported. pass

εΫϦϓτ͸͜Μͳײ͡ import boto3 import json import numpy as np from PIL import Image import io AWS_S3_BUCKET_NAME = 'NAME' s3 = boto3.resource('s3') def input_fn(serialized_input, content_type): request_json = json.loads(serialized_input.decode()) s3_key = request_json['key'] response = s3.Object(AWS_S3_BUCKET_NAME, s3_key).get() image_bytes = response['Body'].read() img = Image.open(io.BytesIO(image_bytes)) bmp_data = np.asarray(img) return bmp_data[np.newaxis, :, :] ೖྗ͸JSONͰ
 {“key”: “/path/to/a.jpg”}
 S3͔Βը૾ΛऔΓ
 RGBʹม׵ 
 ͜͜ʹ༰ྔ੍ݶ͸ͳ͍

Before After S3 ECS্ͷ Ruby on Rails SageMaker ࣸਅΛ൑ผͤ͞Δ (JSON) S3 ECS্ͷ Ruby on Rails SageMaker ࣸਅΛS3͔Βऔಘ S3ͷkey͚ͩૹΔ (༰ྔখ) ࣸਅΛS3͔Βऔಘ ͕͜͜໰୊ͩͬͨ

Before After S3 ECS্ͷ Ruby on Rails SageMaker ࣸਅΛ൑ผͤ͞Δ (JSON) S3 ECS্ͷ Ruby on Rails SageMaker ࣸਅΛS3͔Βऔಘ S3ͷkey͚ͩૹΔ (༰ྔখ) ࣸਅΛS3͔Βऔಘ ௨৴ྔ͕ݮͬͯϨεϙϯε΋ૣ͘

༏উ

Ώ͘Ώ͘͸։ൃ΍ֶश΋SageMakerʹ • AIͷݚڀऀʹ։ൃɾֶश༻αʔόͷӡ༻Λߟ͑ͤͨ͘͞ͳ͍ • ṷ͸ṷ԰ɺݚڀऀʹ͸ݚڀऀʹ͔͠Ͱ͖ͳ͍͜ͱΛ • શ෦ΤϯδχΞ͕ೖΔͷ΋ίϛϡχέʔγϣϯͷແବ͕…ɹɹɹ • SageMaker͸αΫοͱͰ͖ΔͷͰɺ͜Ε͙Β͍ͳΒ͍͚ͦ͏

·ͱΊ • AWS SageMaker͸։ൃɾֶशɾӡ༻શ෦ग़དྷΔ • Ϟσϧͷӡ༻͚ͩར༻͢Δͷ΋͘͢͝ศར • લॲཧɾޙॲཧ͕Ͱ͖ΔͷͰ΄ͱΜͲͷ༻్Ͱ࢖͑Δ • SageMakerͰ৭ʑ͍ͨ͠ਓ͸we’re hiringͯ͠·͢(ƅ㱼ƅ)oኯʄ

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