| /freebsd/sys/contrib/zstd/ |
| H A 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.
5 It's backed by a very fast entropy stage, provided by [Huff0 and FSE library](https://github.com/Cy…
8 This repository represents the reference implementation, provided as an open-source dual [BSD](LICE…
11 a list of known ports and bindings is provided on [Zstandard homepage](http://www.zstd.net/#other-l…
21 [travisDevBadge]: https://api.travis-ci.com/facebook/zstd.svg?branch=dev "Continuous Integration te…
22 [travisLink]: https://travis-ci.com/facebook/zstd
24 [AppveyorLink]: https://ci.appveyor.com/project/YannCollet/zstd-p0yf0
27 [CirrusDevBadge]: https://api.cirrus-ci.com/github/facebook/zstd.svg?branch=dev
28 [CirrusLink]: https://cirrus-ci.com/github/facebook/zstd
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| H A D | CHANGELOG | 2 perf: Regain Minimal memset()-ing During Reuse of Compression Contexts (@Cyan4973, #2969)
7 perf: rebalanced compression levels, to better match the intended speed/level curve, by @senhuang42
9 perf: slightly faster high speed modes (strategies fast & dfast), by @felixhandte
12 perf: faster mid-level compression speed in presence of highly repetitive patterns, by @senhuang42
15 perf: faster compression speed on incompressible data, by @bindhvo
16 perf: on-demand reduced ZSTD_DCtx state size, using build macro ZSTD_DECODER_INTERNAL_BUFFER, at a …
20 build: improved meson unofficial build, by @eli-schwartz
22 …t advanced parameters information when compressing in very verbose mode (``-vv`), by @Svetlitski-FB
25 api: Various functions promoted from experimental to stable API: (#2579-2581, @senhuang42)
39 api: ZSTDMT_NBWORKERS_MAX reduced to 64 for 32-bit environments (@Cyan4973)
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| /freebsd/sys/contrib/zstd/programs/ |
| H A D | zstd.1 | 5 \fBzstd\fR \- zstd, zstdmt, unzstd, zstdcat \- Compress or decompress \.zst files
8 \fBzstd\fR [\fIOPTIONS\fR] [\-|\fIINPUT\-FILE\fR] [\-o \fIOUTPUT\-FILE\fR]
11 \fBzstdmt\fR is equivalent to \fBzstd \-T0\fR
14 \fBunzstd\fR is equivalent to \fBzstd \-d\fR
17 \fBzstdcat\fR is equivalent to \fBzstd \-dcf\fR
20 …fast lossless compression algorithm and data compression tool, with command line syntax similar to…
26 …served by default\. It\'s possible to remove them automatically by using the \fB\-\-rm\fR command\.
29 …\fR displays progress notifications and result summary by default\. Use \fB\-q\fR to turn them off…
35 \fBzstd\fR displays a short help page when command line is an error\. Use \fB\-q\fR to turn it off\.
40 … selected operation mode\. If no \fIfiles\fR are given or \fIfile\fR is \fB\-\fR, \fBzstd\fR reads…
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| H A D | zstd.1.md | 1 zstd(1) -- zstd, zstdmt, unzstd, zstdcat - Compress or decompress .zst files
5 --------
7 `zstd` [*OPTIONS*] [-|_INPUT-FILE_] [-o _OUTPUT-FILE_]
9 `zstdmt` is equivalent to `zstd -T0`
11 `unzstd` is equivalent to `zstd -d`
13 `zstdcat` is equivalent to `zstd -dcf`
17 -----------
18 `zstd` is a fast lossless compression algorithm and data compression tool,
21 `zstd` offers highly configurable compression speed,
22 with fast modes at > 200 MB/s per core,
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| H A D | README.md | 6 - `zstd` : default CLI supporting gzip-like arguments; includes dictionary builder, benchmark, and …
7 - `zstd_nolegacy` : Same as `zstd` but without support for legacy zstd formats
8 - `zstd-small` : CLI optimized for minimal size; no dictionary builder, no benchmark, and no suppor…
9 - `zstd-compress` : version of CLI which can only compress into zstd format
10 - `zstd-decompress` : version of CLI which can only decompress zstd format
16 - __HAVE_THREAD__ : multithreading is automatically enabled when `pthread` is detected.
23 - __ZSTD_LEGACY_SUPPORT__ : `zstd` can decompress files compressed by older versions of `zstd`.
34 - __HAVE_ZLIB__ : `zstd` can compress and decompress files in `.gz` format.
35 This is ordered through command `--format=gzip`.
44 - __HAVE_LZMA__ : `zstd` can compress and decompress files in `.xz` and `.lzma` formats.
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| /freebsd/libexec/getty/ |
| H A D | gettytab | 9 # cb, ce and ck are desirable on most crt's. The non-crt entries need to
13 # have been terminals around not being able of handling lower-case
20 # ep: getty will use raw mode (cs8 -parenb) (unless rw is set) and
21 # fake parity. login will use even parity (cs7 parenb -parodd).
24 # ap: same as ep except -inpck instead of inpck for login.
27 # characters on non-terminals (like pccons) that don't
32 # 2. set cs8 -parenb -istrip -inpck.
40 # Fixed speed entries
45 # The "NNN-baud" names are known to the special case
47 # be assigned to any table desired (hopefully the same speed).
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| /freebsd/sys/dev/ichiic/ |
| H A D | ig4_reg.h | 40 * https://www.intel.com/content/dam/www/public/us/en/documents/datasheets/4th-gen-core-family-mobile-i-o-datasheet.pdf
42 * This is a from-scratch driver under the BSD license using the Intel data
49 * voltage should be set by the BIOS. Standard (100Kb/s) and Fast (400Kb/s)
50 * and fast mod
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| /freebsd/contrib/bzip2/ |
| H A D | bzip2.1 | 3 bzip2, bunzip2 \- a block-sorting file compressor, v1.0.8
5 bzcat \- decompresses files to stdout
7 bzip2recover \- recovers data from damaged bzip2 files
12 .RB [ " \-cdfkqstvzVL123456789 " ]
19 .RB [ " \-fkvsVL " ]
25 .RB [ " \-s " ]
35 compresses files using the Burrows-Wheeler block sorting
38 LZ77/LZ78-based compressors, and approaches the performance of the PPM
41 The command-line options are deliberately very similar to
48 command-line flags. Each file is replaced by a compressed version of
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| /freebsd/sbin/hastd/ |
| H A D | lzf.h | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2000-2008 Marc Alexander Lehmann <schmorp@schmorp.de>
6 * Redistribution and use in source and binary forms, with or without modifica-
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MER-
19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPE-
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTH-
44 ** lzf -- an extremely fast/free compression/decompression-method
47 ** This algorithm is believed to be patent-free.
61 * makes sense to always use out_len == in_len - 1), to ensure _some_
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| /freebsd/sys/contrib/device-tree/Bindings/i2c/ |
| H A D | i2c-exynos5.txt | 1 * Samsung's High Speed I2C controller
3 The Samsung's High Speed I2C controller is used to interface with I2C devices
7 - compatible: value should be.
8 -> "samsung,exynos5-hsi2c", (DEPRECATED)
11 -> "samsung,exynos5250-hsi2c", for i2c compatible with HSI2C available
13 -> "samsung,exynos5260-hsi2c", for i2c compatible with HSI2C available
15 -> "samsung,exynos7-hsi2c", for i2c compatible with HSI2C available
18 - reg: physical base address of the controller and length of memory mapped
20 - interrupts: interrupt number to the cpu.
21 - #address-cells: always 1 (for i2c addresses)
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| H A D | i2c-exynos5.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/i2c/i2c-exynos
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| /freebsd/sys/contrib/device-tree/Bindings/input/ |
| H A D | azoteq,iqs7222.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schema
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| /freebsd/share/man/man4/ |
| H A D | cc_cubic.4 | 3 .\" Copyright (c) 2010-2011 The FreeBSD Foundation
39 throughput in fast and long-distance networks.
42 speed scenarios where NewReno is able to operate adequately.
57 The implementation was done in a clean-room fashion, and is based on the
78 .%T "CUBIC for Fast Long-Distance Networks"
79 .%U "https://tools.ietf.org/id/draft-rhee-tcpm-cubic-02.txt"
85 .%T "CUBIC: a new TCP-friendly high-speed TCP variant"
90 .%P "64-74"
114 .An -nosplit
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| H A D | rue.4 | 2 .\" Copyright (c) 2001-2003, Shunsuke Akiyama <akiyama@FreeBSD.org>.
31 .Nd "RealTek RTL8150 USB to Fast Ethernet controller driver"
36 .Bd -ragged -offset indent
48 .Bd -literal -offset indent
55 RTL8150 USB to Fast Ethernet controller chip.
57 The RTL8150 contains an integrated Fast Ethernet MAC, which supports
61 transfer speed of 12Mbps.
68 .Bl -tag -width ".Cm 10baseT/UTP"
80 .Cm full-duplex
82 .Cm half-duplex
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| H A D | cc_htcp.4 | 3 .\" Copyright (c) 2010-2011 The FreeBSD Foundation
36 .Nd H-TCP Congestion Control Algorithm
38 The H-TCP congestion control algorithm was designed to provide increased
39 throughput in fast and long-distance networks.
41 speed scenarios where NewReno is able to operate adequately.
46 congestion event, and then switches to a high-speed mode based on a quadratic
49 The implementation was done in a clean-room fashion, and is based on the
59 .Bl -tag -width ".Va adaptive_backoff"
62 network queues non-empty during congestion recovery episodes.
83 .%T "H-TCP: TCP Congestion Control for High Bandwidth-Delay Product Paths"
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| /freebsd/share/man/man7/ |
| H A D | ffs.7 | |
| /freebsd/sys/dev/iicbus/ |
| H A D | iicbus_if.m | 1 #-
41 iicbus_default_frequency(device_t bus, u_char speed)
123 u_char speed;
139 # symbolic speed. Only the IIC_SLOW speed has meaning, it is always
140 # 100KHz. The UNKNOWN, FAST, and FASTEST rates all map to the
145 u_char speed;
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| /freebsd/usr.bin/compress/doc/ |
| H A D | README | 2 o compress() speedup (10-50%) by changing division hash to xor
3 o decompress() speedup (5-10%)
4 o Memory requirements reduced (3-30%)
6 o Removed 'Big+Fast' compress code (FBITS) because of compress speedup
13 o Added "-V" switch to print version and options
30 o BITS Overrules default set by USERMEM-SACREDMEM
40 The difference "usermem-sacredmem" determines the maximum BITS that can be
41 specified with the "-b" flag.
44 ------ -- ----- ----
53 The maximum bits can be overruled by specifying "-DBITS=bits" at
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| /freebsd/sys/contrib/openzfs/module/zstd/lib/common/ |
| H A D | xxhash.h | 2 * xxHash - Extremely Fast Hash algorithm
4 * Copyright (c) 2012-2020, Yann Collet, Facebook, Inc.
7 * - xxHash source repository : https://github.com/Cyan4973/xxHash
9 * This source code is licensed under both the BSD-style license (found in the
12 * You may select, at your option, one of the above-listed licenses.
17 xxHash is an extremely fast Hash algorithm, running at RAM speed limits.
22 Name Speed Q.Score Author
33 MD5-32 0.33 GB/s 10 Ronald L. Rivest
34 SHA1-32 0.28 GB/s 10
40 A 64-bits version, named XXH64, is available since r35.
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| /freebsd/sys/contrib/device-tree/src/arm64/freescale/ |
| H A D | fsl-lx2160a-bluebox3.dts | 1 // SPDX-License-Identifier: (GPL-2.0 OR MIT)
5 // Copyright 2020-2021 NXP
7 /dts-v1/;
9 #include "fsl-lx2160a.dtsi"
13 compatible = "fsl,lx2160a-bluebox3", "fsl,lx2160a";
23 stdout-path = "serial0:115200n8";
26 sb_3v3: regulator-sb3v3 {
27 compatible = "regulator-fixed";
28 regulator-name = "MC34717-3.3VSB";
29 regulator-min-microvolt = <3300000>;
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| /freebsd/sys/contrib/zlib/doc/ |
| H A D | algorithm.txt | 4 LZ77 (Lempel-Ziv 1977, see reference below). It finds duplicated strings in
19 somewhat similar to the behavior of LZW-based _compress_.)
32 To avoid a worst-case situation, very long hash chains are arbitrarily
48 important than speed, deflate() attempts a complete second search even if
52 modes (level parameter 1 to 3). For these fast modes, new strings
63 that you can decode fast. The most important characteristic is that shorter
65 short codes fast, and let the long codes take longer to decode.
81 to set that variable for the maximum speed.
100 symbol is four bits, then it's duplicated 32 times in a nine-bit table. If a
121 kbytes. You can imagine that filling in a 2^15 entry table for a 15-bit code
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| /freebsd/sys/crypto/siphash/ |
| H A D | siphash.h | 1 /*-
32 * optimized for speed on short messages returning a 64bit hash/digest value.
35 * SipHash24_Init() for the fast and resonable strong version
36 * SipHash48_Init() for the strong version (half as fast)
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| /freebsd/sys/contrib/device-tree/Bindings/connector/ |
| H A D | usb-connector.yaml | 1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/connector/usb-connector.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Ro
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| /freebsd/sys/arm/ti/ |
| H A D | ti_i2c.c | 1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
100 uint8_t psc; /* Fast/Standard mode prescale divider */
101 uint8_t scll; /* Fast/Standard mode SCL low time */
102 uint8_t sclh; /* Fast/Standard mode SCL high time */
103 uint8_t hsscll; /* High Speed mode SCL low time */
104 uint8_t hssclh; /* High Speed mode SCL high time */
111 * OMAP4 TRM. The table doesn't list 1MHz; these values should give that speed.
117 /* { 3200000, 1, 113, 115, 7, 10}, - HS mode */
138 #define TI_I2C_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
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| /freebsd/sys/contrib/device-tree/Bindings/pinctrl/ |
| H A D | st,stm32-pinctrl.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
4 ---
5 $id: http://devicetree.org/schemas/pinctrl/st,stm32-pinctrl.yaml#
6 $schema: http://devicetree.org/meta-schema
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