| /external/ImageMagick/coders/ |
| D | exr.c | 167 compression; in ReadEXRImage() local
214 image->compression=NoCompression; in ReadEXRImage()
215 compression=ImfHeaderCompression(hdr_info); in ReadEXRImage()
216 if (compression == IMF_RLE_COMPRESSION) in ReadEXRImage()
217 image->compression=RLECompression; in ReadEXRImage()
218 if (compression == IMF_ZIPS_COMPRESSION) in ReadEXRImage()
219 image->compression=ZipSCompression; in ReadEXRImage()
220 if (compression == IMF_ZIP_COMPRESSION) in ReadEXRImage()
221 image->compression=ZipCompression; in ReadEXRImage()
222 if (compression == IMF_PIZ_COMPRESSION) in ReadEXRImage()
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| D | ps2.c | 383 compression; in WritePS2Image() local
465 compression=image->compression; in WritePS2Image()
466 if (image_info->compression != UndefinedCompression) in WritePS2Image()
467 compression=image_info->compression; in WritePS2Image()
468 switch (compression) in WritePS2Image()
473 compression=RLECompression; in WritePS2Image()
619 switch (compression) in WritePS2Image()
697 compression == NoCompression ? "ASCII" : "Binary"); in WritePS2Image()
726 if ((compression == FaxCompression) || (compression == Group4Compression) || in WritePS2Image()
735 ((compression != FaxCompression) && in WritePS2Image()
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| D | ps3.c | 435 Image *image,const CompressionType compression,ExceptionInfo *exception) in WritePS3MaskImage() argument
478 "%%%%BeginData:%13ld %s Bytes\n",0L,compression == NoCompression ? in WritePS3MaskImage()
487 switch (compression) in WritePS3MaskImage()
542 switch (compression) in WritePS3MaskImage()
562 if ((compression == FaxCompression) || in WritePS3MaskImage()
614 compression == NoCompression ? "ASCII" : "BINARY"); in WritePS3MaskImage()
821 compression; in WritePS3Image() local
894 compression=image->compression; in WritePS3Image()
895 if (image_info->compression != UndefinedCompression) in WritePS3Image()
896 compression=image_info->compression; in WritePS3Image()
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| /external/grpc-grpc/doc/ |
| D | compression_cookbook.md | 5 This document describes compression as implemented by the gRPC C core. See [the
6 full compression specification](compression.md) for details.
10 Wrapped languages developers, for the purposes of supporting compression by
15 1. Be able to set compression at [channel](#per-channel-settings),
20 spec](https://github.com/grpc/grpc/blob/master/doc/compression.md#test-cases).
31 still not symmetric between clients and servers (e.g. the [use of compression
32 levels](https://github.com/grpc/grpc/blob/master/doc/compression.md#compression-levels-and-algorith…
47 document](https://github.com/grpc/grpc/blob/master/doc/compression.md#compression-levels-and-algori…
48 compression _levels_ are the primary mechanism for compression selection _at the
52 As of this writing (Q2 2016), clients can only specify compression _algorithms_.
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| D | compression.md | 10 compression supported by gRPC acts _at the individual message level_, taking
14 The implementation supports different compression algorithms. A _default
15 compression level_, to be used in the absence of message-specific settings, MAY
18 The ability to control compression settings per call and to enable/disable
19 compression on a per message basis MAY be used to prevent CRIME/BEAST attacks.
20 It also allows for asymmetric compression communication, whereby a response MAY
26 appropriate API method. There are two scenarios where compression MAY be
29 + At channel creation time, which sets the channel default compression and
30 therefore the compression that SHALL be used in the absence of per-RPC
31 compression configuration.
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| /external/tensorflow/tensorflow/core/data/ |
| D | snapshot_utils_test.cc | 85 SnapshotRoundTrip(io::compression::kNone, 1); in TEST()
86 SnapshotRoundTrip(io::compression::kGzip, 1); in TEST()
87 SnapshotRoundTrip(io::compression::kSnappy, 1); in TEST()
89 SnapshotRoundTrip(io::compression::kNone, 2); in TEST()
90 SnapshotRoundTrip(io::compression::kGzip, 2); in TEST()
91 SnapshotRoundTrip(io::compression::kSnappy, 2); in TEST()
125 SnapshotReaderBenchmarkLoop(state, io::compression::kNone, 1); in SnapshotCustomReaderNoneBenchmark()
129 SnapshotReaderBenchmarkLoop(state, io::compression::kGzip, 1); in SnapshotCustomReaderGzipBenchmark()
133 SnapshotReaderBenchmarkLoop(state, io::compression::kSnappy, 1); in SnapshotCustomReaderSnappyBenchmark()
137 SnapshotReaderBenchmarkLoop(state, io::compression::kNone, 2); in SnapshotTFRecordReaderNoneBenchmark()
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| /external/skia/tests/ |
| D | CompressedBackendAllocationTest.cpp | 41 SkImage::CompressionType compression = in create_image() local
44 SkAlphaType at = SkCompressionTypeIsOpaque(compression) ? kOpaque_SkAlphaType in create_image()
147 SkImage::CompressionType compression, in test_compressed_color_init() argument
161 check_compressed_mipmaps(dContext, img, compression, expectedColors, mipMapped, in test_compressed_color_init()
163 check_readback(dContext, img, compression, color, reporter, "solid readback"); in test_compressed_color_init()
177 check_compressed_mipmaps(dContext, img, compression, expectedNewColors, mipMapped, reporter, in test_compressed_color_init()
179 check_readback(dContext, std::move(img), compression, newColor, reporter, "solid readback"); in test_compressed_color_init()
185 static std::unique_ptr<const char[]> make_compressed_data(SkImage::CompressionType compression, in make_compressed_data() argument
197 size_t dataSize = SkCompressedDataSize(compression, dimensions, &mipMapOffsets, in make_compressed_data()
204 GrFillInCompressedData(compression, dimensions, in make_compressed_data()
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| /external/tensorflow/tensorflow/python/data/experimental/ops/ |
| D | io.py | 49 compression=None, argument
121 save_dataset = _SaveDataset(dataset, path, shard_func, compression)
143 compression=compression,
151 def __init__(self, dataset, path, shard_func, compression): argument
160 compression=compression,
203 def __init__(self, path, element_spec=None, compression=None, argument
223 self._compression = compression
234 compression=compression,
248 def load(path, element_spec=None, compression=None, reader_func=None): argument
310 compression=compression,
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| D | data_service_ops.py | 376 compression="AUTO", argument
435 if compression not in valid_compressions:
438 compression, valid_compressions))
439 if compression == COMPRESSION_AUTO and data_transfer_protocol is not None:
440 compression = COMPRESSION_NONE
442 dataset_id = _register_dataset(service, dataset, compression=compression)
454 compression=compression,
468 compression="AUTO", argument
699 compression=compression,
703 def _register_dataset(service, dataset, compression): argument
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| D | snapshot.py | 39 compression=None, argument
53 self._compression = compression if compression is not None else ""
84 compression=self._compression,
106 compression=None, argument
177 compression=compression,
196 def snapshot(path, compression="AUTO", reader_func=None, shard_func=None): argument
277 compression=compression,
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| /external/skia/src/gpu/mock/ |
| D | GrMockCaps.h | 44 SkImage::CompressionType compression = format.asMockCompressionType(); in isFormatSRGB() local
45 if (compression != SkImage::CompressionType::kNone) { in isFormatSRGB()
54 SkImage::CompressionType compression = format.asMockCompressionType(); in isFormatTexturable() local
55 if (compression != SkImage::CompressionType::kNone) { in isFormatTexturable()
56 return fOptions.fCompressedOptions[(int)compression].fTexturable; in isFormatTexturable()
90 SkImage::CompressionType compression = format.asMockCompressionType(); in getRenderTargetSampleCount() local
91 if (compression != SkImage::CompressionType::kNone) { in getRenderTargetSampleCount()
111 SkImage::CompressionType compression = format.asMockCompressionType(); in maxRenderTargetSampleCount() local
112 if (compression != SkImage::CompressionType::kNone) { in maxRenderTargetSampleCount()
164 SkImage::CompressionType compression = format.asMockCompressionType(); in onAreColorTypeAndFormatCompatible() local
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| /external/zstd/programs/ |
| D | zstd.1.md | 18 `zstd` is a fast lossless compression algorithm and data compression tool,
21 `zstd` offers highly configurable compression speed,
23 and strong modes nearing lzma compression ratios.
92 Benchmark file(s) using compression level #
104 `#` compression level \[1-19] (default: 3)
106 unlocks high compression levels 20+ (maximum 22), using a lot more memory.
109 switch to ultra-fast compression levels.
111 The higher the value, the faster the compression speed,
112 at the cost of some compression ratio.
113 This setting overwrites compression level if one was set previously.
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| D | README.md | 72 - __ZSTD_NOCOMPRESS__ : `zstd` cli will be compiled without support for compression.
111 which can be loaded before compression and decompression.
113 Using a dictionary, the compression ratio achievable on small data improves dramatically.
114 These compression gains are achieved while simultaneously providing faster compression and decompre…
117 Dictionary gains are mostly effective in the first few KB. Then, the compression algorithm
128 CLI includes in-memory compression benchmark module for zstd.
134 The benchmark measures ratio, compressed size, compression and decompression speed.
135 One can select compression levels starting from `-b` and ending with `-e`.
148 -# : # compression level (1-19, default: 3)
150 -D DICT: use DICT as Dictionary for compression or decompression
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| /external/lzma/DOC/ |
| D | lzma-sdk.txt | 6 use 7z / LZMA / LZMA2 / XZ compression.
8 LZMA is an improved version of famous LZ77 compression algorithm.
9 It was improved in way of maximum increasing of compression ratio,
13 LZMA2 is a LZMA based compression method. LZMA2 provides better
14 multithreading support for compression than LZMA and some other improvements.
16 7z is a file format for data compression and file archiving.
17 7z is a main file format for 7-Zip compression program (www.7-zip.org).
18 7z format supports different compression methods: LZMA, LZMA2 and others.
21 XZ is a file format for data compression that uses LZMA2 compression.
23 improved compression ratio, splitting to blocks and streams,
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| /external/lz4/programs/ |
| D | lz4.1.md | 21 `lz4` is an extremely fast lossless compression algorithm,
22 based on **byte-aligned LZ77** family of compression scheme.
23 `lz4` offers compression speeds of 400 MB/s per core, linearly scalable with
36 * `lz4 file.lz4` will default to decompression (use `-z` to force compression)
39 during compression or decompression of a single file
61 on successful compression or decompression, using `--rm` command.
100 `-z` can also be used to force compression of an already compressed
114 Benchmark mode, using `#` compression level.
124 Higher values trade compression speed for compression ratio.
126 Recommended values are 1 for fast compression (default),
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| D | README.md | 25 CLI includes in-memory compression benchmark module for lz4.
30 The benchmark measures ratio, compressed size, compression and decompression speed.
31 One can select compression levels starting from `-b` and ending with `-e`.
45 -1 : Fast compression (default)
46 -9 : High compression
48 -z : force compression
52 --rm : remove source file(s) after successful de/compression
63 -l : compress using Legacy format (Linux kernel compression)
66 -BD : Block dependency (improve compression ratio)
72 --fast[=#]: switch to ultra fast compression level (default: 1)
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| /external/libwebsockets/lib/roles/http/compression/ |
| D | README.md | 1 HTTP compression
4 This directory contains generic compression transforms that can be applied to
7 The compression transforms expose an "ops" type struct and a compressor name
9 ./private-lib-roles-http-compression.h.
11 Because the compression transform depends on being able to send on its output
13 `wsi->buflist_comp` that represents pre-compression transform data
14 ("input data" from the perspective of the compression transform) that was
|
| /external/squashfs-tools/RELEASE-READMEs/ |
| D | README-4.3 | 8 there are substantial improvements to stability, new compression options
22 2. GZIP compressor now supports compression options, allowing different
23 compression levels to be used.
25 3. Rewritten LZO compressor with compression options, allowing different
26 LZO algorithms and different compression levels to be used.
38 7. The -stat option in Unsquashfs now displays the compression options
40 the compression algorithm used.
65 New compression options and compressors are now supported.
70 -Xcompression-level <compression-level>
71 <compression-level> should be 1 .. 9 (default 9)
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| /external/tensorflow/tensorflow/python/data/experimental/kernel_tests/ |
| D | io_test.py | 58 combinations.combine(compression=[None, "GZIP"])))
59 def testBasic(self, compression): argument
61 io.save(dataset, self._test_dir, compression=compression)
63 self._test_dir, dataset.element_spec, compression=compression)
98 combinations.combine(compression=[None, "GZIP"])))
99 def testSaveInsideFunction(self, compression): argument
105 io.save(dataset, self._test_dir, compression=compression)
109 self._test_dir, dataset.element_spec, compression=compression)
158 dataset=dataset, path=self._save_dir, shard_func=None, compression=None)
|
| /external/zstd/contrib/premake/ |
| D | zstd.lua | 4 function project_zstd(dir, compression, decompression, deprecated, dictbuilder, legacy)
5 if compression == nil then compression = true end
12 if not compression then
32 if compression then
|
| /external/zstd/examples/ |
| D | README.md | 4 - [Simple compression](simple_compression.c) :
10 Only compatible with simple compression.
14 - [Multiple simple compression](multiple_simple_compression.c) :
24 - [Streaming compression](streaming_compression.c) :
28 - [Multiple Streaming compression](multiple_streaming_compression.c) :
35 Compatible with both simple and streaming compression.
39 - [Dictionary compression](dictionary_compression.c) :
|
| /external/zstd/ |
| D | CHANGELOG | 2 perf: rebalanced compression levels, to better match the intended speed/level curve, by @senhuang42
7 perf: faster mid-level compression speed in presence of highly repetitive patterns, by @senhuang42
8 perf: minor compression ratio improvements for small data at high levels, by @cyan4973
10 perf: faster compression speed on incompressible data, by @bindhvo
35 perf: Significant speed improvements for middle compression levels (#2494, @senhuang42 @terrelln)
36 perf: Block splitter to improve compression ratio, enabled by default for high compression levels (…
38 perf: Reduced stack usage during compression and decompression entropy stage (#2522 #2524, @terrell…
43 bug: Ensure `ZSTD_estimateCCtxSize*() `monotonically increases with compression level (#2538, @senh…
46 bug: Fix superblock compression divide by zero bug (#2592, @senhuang42)
105 perf: stronger --long mode at high compression levels, by @senhuang42
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| D | README.md | 3 __Zstandard__, or `zstd` as short version, is a fast lossless compression algorithm,
4 targeting real-time compression scenarios at zlib-level and better compression ratios.
34 For reference, several fast compression algorithms were tested and compared
39 on the [Silesia compression corpus].
42 [Silesia compression corpus]: http://sun.aei.polsl.pl/~sdeor/index.php?page=silesia
62 The negative compression levels, specified with `--fast=#`,
63 offer faster compression and decompression speed
64 at the cost of compression ratio (compared to level 1).
66 Zstd can also offer stronger compression ratios at the cost of compression speed.
69 a property shared by most LZ compression algorithms, such as [zlib] or lzma.
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| /external/python/cpython3/Lib/test/ |
| D | test_zipfile.py | 61 def make_test_archive(self, f, compression, compresslevel=None): argument
62 kwargs = {'compression': compression, 'compresslevel': compresslevel}
72 def zip_test(self, f, compression, compresslevel=None): argument
73 self.make_test_archive(f, compression, compresslevel)
76 with zipfile.ZipFile(f, "r", compression) as zipfp:
128 self.zip_test(f, self.compression)
130 def zip_open_test(self, f, compression): argument
131 self.make_test_archive(f, compression)
134 with zipfile.ZipFile(f, "r", compression) as zipfp:
156 self.zip_open_test(f, self.compression)
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| /external/brotli/c/tools/ |
| D | brotli.md | 13 `brotli` is a generic-purpose lossless compression algorithm that compresses
15 coding and 2-nd order context modeling, with a compression ratio comparable to
16 the best currently available general-purpose compression methods. It is similar
17 in speed with deflate but offers more dense compression.
33 * default mode is compression;
59 compression level (0-9); bigger values cause denser, but slower compression
77 compression level (0-11); bigger values cause denser, but slower compression
92 use best compression level (default); same as "`-q 11`"
|