Wordsmith the project description
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@921 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
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** Background
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** Background
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*******************************************************************************
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*******************************************************************************
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libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX,
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libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,
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SSE2, NEON) to accelerate baseline JPEG compression and decompression on x86,
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NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64,
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x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as
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and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as fast as
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fast as the unmodified version of libjpeg, all else being equal.
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libjpeg, all else being equal. On other types of systems, libjpeg-turbo can
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still outperform libjpeg by a significant amount, by virtue of its
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highly-optimized Huffman coding routines. In many cases, the performance of
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libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.
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libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but
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libjpeg-turbo implements both the traditional libjpeg API as well as the less
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the TigerVNC and VirtualGL projects made numerous enhancements to the codec in
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powerful but more straightforward TurboJPEG API. libjpeg-turbo also features
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2009, including improved support for Mac OS X, 64-bit support, support for
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colorspace extensions that allow it to compress from/decompress to 32-bit and
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32-bit and big-endian pixel formats (RGBX, XBGR, etc.), accelerated Huffman
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big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java
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encoding/decoding, and various bug fixes. The goal was to produce a fully
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interface.
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open-source codec whose performance rivaled that of popular closed-source
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codecs available at the time.
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In early 2010, libjpeg-turbo spun off into its own independent project, with
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libjpeg-turbo was originally based on libjpeg/SIMD, an MMX-accelerated
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the goal of making high-speed JPEG compression/decompression technology
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derivative of libjpeg v6b developed by Miyasaka Masaru. The TigerVNC and
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available to a broader range of users and developers.
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VirtualGL projects made numerous enhancements to the codec in 2009, and in
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early 2010, libjpeg-turbo spun off into an independent project, with the goal
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of making high-speed JPEG compression/decompression technology available to a
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broader range of users and developers.
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*******************************************************************************
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*******************************************************************************
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@@ -1,13 +1,14 @@
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{\rtf1\ansi\ansicpg1252\cocoartf1038\cocoasubrtf360
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{\rtf1\ansi\ansicpg1252\cocoartf1038\cocoasubrtf360
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{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
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{\fonttbl\f0\fswiss\fcharset0 Helvetica;}
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{\colortbl;\red255\green255\blue255;}
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{\colortbl;\red255\green255\blue255;}
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\margl1440\margr1440\vieww15200\viewh9600\viewkind0
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\margl1440\margr1440\vieww26380\viewh15840\viewkind0
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\deftab720
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\deftab720
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\pard\pardeftab720\ql\qnatural
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\pard\pardeftab720\ql\qnatural
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\f0\fs24 \cf0 libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX, SSE2, NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as fast as the unmodified version of libjpeg, all else being equal.\
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\f0\fs24 \cf0 libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2, NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as fast as libjpeg, all else being equal. On other types of systems, libjpeg-turbo can still outperform libjpeg by a significant amount, by virtue of its highly-optimized Huffman coding routines. In many cases, the performance of libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.\
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\
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\
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libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but the TigerVNC and VirtualGL projects made numerous enhancements to the codec in 2009, including improved support for Mac OS X, 64-bit support, support for 32-bit and big-endian pixel formats (RGBX, XBGR, etc.), accelerated Huffman encoding/decoding, and various bug fixes. The goal was to produce a fully open-source codec whose performance rivaled that of popular closed-source codecs available at the time.\
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libjpeg-turbo implements both the traditional libjpeg API as well as the less powerful but more straightforward TurboJPEG API. libjpeg-turbo also features colorspace extensions that allow it to compress from/decompress to 32-bit and\
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big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java interface.\
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\
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\
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In early 2010, libjpeg-turbo spun off into its own independent project, with the goal of making high-speed JPEG compression/decompression technology available to a broader range of users and developers.\
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libjpeg-turbo was originally based on libjpeg/SIMD, an MMX-accelerated derivative of libjpeg v6b developed by Miyasaka Masaru. The TigerVNC and VirtualGL projects made numerous enhancements to the codec in 2009, and in early 2010, libjpeg-turbo spun off into an independent project, with the goal of making high-speed JPEG compression/decompression technology available to a broader range of users and developers.\
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}
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}
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@@ -6,19 +6,24 @@ Architecture: {__ARCH}
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Essential: no
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Essential: no
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Maintainer: The libjpeg-turbo Project [http://www.libjpeg-turbo.org]
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Maintainer: The libjpeg-turbo Project [http://www.libjpeg-turbo.org]
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Description: A SIMD-accelerated JPEG codec that provides both the libjpeg and TurboJPEG APIs
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Description: A SIMD-accelerated JPEG codec that provides both the libjpeg and TurboJPEG APIs
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libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX,
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libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,
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SSE2, NEON) to accelerate baseline JPEG compression and decompression on x86,
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NEON) to accelerate baseline JPEG compression and decompression on x86,
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x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as
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x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as
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fast as the unmodified version of libjpeg, all else being equal.
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fast as libjpeg, all else being equal. On other types of systems,
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libjpeg-turbo can still outperform libjpeg by a significant amount, by virtue
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of its highly-optimized Huffman coding routines. In many cases, the
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performance of libjpeg-turbo rivals that of proprietary high-speed JPEG
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codecs.
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.
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.
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libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but
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libjpeg-turbo implements both the traditional libjpeg API as well as the less
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the TigerVNC and VirtualGL projects made numerous enhancements to the codec
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powerful but more straightforward TurboJPEG API. libjpeg-turbo also features
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in 2009, including improved support for Mac OS X, 64-bit support, support
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colorspace extensions that allow it to compress from/decompress to 32-bit and
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for 32-bit and big-endian pixel formats (RGBX, XBGR, etc.), accelerated
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big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java
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Huffman encoding/decoding, and various bug fixes. The goal was to produce a
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interface.
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fully open-source codec whose performance rivaled that of popular
|
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closed-source codecs available at the time.
|
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.
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.
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In early 2010, libjpeg-turbo spun off into its own independent project, with
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libjpeg-turbo was originally based on libjpeg/SIMD, an MMX-accelerated
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||||||
the goal of making high-speed JPEG compression/decompression technology
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derivative of libjpeg v6b developed by Miyasaka Masaru. The TigerVNC and
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available to a broader range of users and developers.
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VirtualGL projects made numerous enhancements to the codec in 2009, and in
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early 2010, libjpeg-turbo spun off into an independent project, with the goal
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of making high-speed JPEG compression/decompression technology available to a
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broader range of users and developers.
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@@ -23,22 +23,26 @@ Provides: %{name} = %{version}-%{release}, turbojpeg = 2.00, libturbojpeg.so
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Obsoletes: turbojpeg
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Obsoletes: turbojpeg
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%description
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%description
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libjpeg-turbo is a derivative of libjpeg that uses SIMD instructions (MMX,
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libjpeg-turbo is a JPEG image codec that uses SIMD instructions (MMX, SSE2,
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SSE2, NEON) to accelerate baseline JPEG compression and decompression on x86,
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NEON) to accelerate baseline JPEG compression and decompression on x86, x86-64,
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x86-64, and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as
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and ARM systems. On such systems, libjpeg-turbo is generally 2-4x as fast as
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fast as the unmodified version of libjpeg, all else being equal.
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libjpeg, all else being equal. On other types of systems, libjpeg-turbo can
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still outperform libjpeg by a significant amount, by virtue of its
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highly-optimized Huffman coding routines. In many cases, the performance of
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libjpeg-turbo rivals that of proprietary high-speed JPEG codecs.
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libjpeg-turbo was originally based on libjpeg/SIMD by Miyasaka Masaru, but
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libjpeg-turbo implements both the traditional libjpeg API as well as the less
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the TigerVNC and VirtualGL projects made numerous enhancements to the codec in
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powerful but more straightforward TurboJPEG API. libjpeg-turbo also features
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2009, including improved support for Mac OS X, 64-bit support, support for
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colorspace extensions that allow it to compress from/decompress to 32-bit and
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32-bit and big-endian pixel formats (RGBX, XBGR, etc.), accelerated Huffman
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big-endian pixel buffers (RGBX, XBGR, etc.), as well as a full-featured Java
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encoding/decoding, and various bug fixes. The goal was to produce a fully
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interface.
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open-source codec whose performance rivaled that of popular closed-source
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codecs available at the time.
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In early 2010, libjpeg-turbo spun off into its own independent project, with
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libjpeg-turbo was originally based on libjpeg/SIMD, an MMX-accelerated
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the goal of making high-speed JPEG compression/decompression technology
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derivative of libjpeg v6b developed by Miyasaka Masaru. The TigerVNC and
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available to a broader range of users and developers.
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VirtualGL projects made numerous enhancements to the codec in 2009, and in
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early 2010, libjpeg-turbo spun off into an independent project, with the goal
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of making high-speed JPEG compression/decompression technology available to a
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broader range of users and developers.
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#-->%prep
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#-->%prep
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#-->%setup -q
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#-->%setup -q
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