FastLZ | Small & portable byte-aligned LZ77 compression | Compression library

 by   ariya C Version: Current License: Non-SPDX

kandi X-RAY | FastLZ Summary

kandi X-RAY | FastLZ Summary

FastLZ is a C library typically used in Utilities, Compression applications. FastLZ has no bugs, it has no vulnerabilities and it has low support. However FastLZ has a Non-SPDX License. You can download it from GitHub.

FastLZ (MIT license) is an ANSI C/C90 implementation of Lempel-Ziv 77 algorithm (LZ77) of lossless data compression. It is suitable to compress series of text/paragraphs, sequences of raw pixel data, or any other blocks of data with lots of repetition. It is not intended to be used on images, videos, and other formats of data typically already in an optimal compressed form.
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              FastLZ has a low active ecosystem.
              It has 189 star(s) with 52 fork(s). There are 19 watchers for this library.
              OutlinedDot
              It had no major release in the last 6 months.
              FastLZ has no issues reported. There are 1 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of FastLZ is current.

            kandi-Quality Quality

              FastLZ has 0 bugs and 0 code smells.

            kandi-Security Security

              FastLZ has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              FastLZ code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              FastLZ has a Non-SPDX License.
              Non-SPDX licenses can be open source with a non SPDX compliant license, or non open source licenses, and you need to review them closely before use.

            kandi-Reuse Reuse

              FastLZ releases are not available. You will need to build from source code and install.
              Installation instructions are not available. Examples and code snippets are available.

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            FastLZ Key Features

            No Key Features are available at this moment for FastLZ.

            FastLZ Examples and Code Snippets

            No Code Snippets are available at this moment for FastLZ.

            Community Discussions

            QUESTION

            What is the theory and usage behind self including source file in C and C++?
            Asked 2018-Jan-31 at 19:01

            Please refer this FASTLZ.C source code.

            • At Line #113 and #128 it's including its own source file.

            I think it's intention was two defined following functions names with respect to their FASTLZ_LEVEL macro value.

            ...

            ANSWER

            Answered 2018-Jan-18 at 13:34

            Used properly, this can be a useful technique.

            Say you have a complex, performance critical subsystem with a fairly small public interface and a lot of non-reusable implementation code. The code runs to several thousand lines, a hundred or so private functions and quite a bit of private data. If you work with non-trivial embedded systems, you probably deal with this situation frequently enough.

            Your solution will probably be layered, modular and decoupled and these aspects can be usefully represented and reinforced by coding different parts of the subsystem in different files.

            With C, you can lose a lot by doing this. Almost all toolchains provide decent optimisation for a single compilation unit, but are very pessimistic about anything declared extern.

            If you put everything into one C source module, you get -

            • Performance & code size improvements - function calls will be inlined in many cases. Even without inlining, the compiler has opportunities to produce more efficient code.
            • Link level data & function hiding.
            • Avoidance of namespace pollution and its corollary - you can use less unwieldy names.
            • Faster compilation & linkage.

            But you also get an unholy mess when it comes to editing this file and you lose the implied modularity. This can be overcome by splitting the source into several files and including these to produce a single compilation unit.

            You need to impose some conventions to manage this properly though. These will depend on your toolchain to some extent, but some general pointers are -

            • Put the public interface in a separate header file - you should be doing this anyway.
            • Have one main .c file that includes all the subsidiary .c files. This could also include the code for the public interface.

            • Use compiler guards to ensure that private headers and source modules are not included by external compilation units.

            • All private data & functions should be declared static.

            • Maintain the conceptual distinction between .c and .h files. This leverages existing conventions. The difference is that you will have a lot of static declarations in your headers.

            • If your toolchain doesn't impose any reason not to, name the private implementation files as .c and .h. If you use include guards, these will produce no code and introduce no new names (you may end up with some empty segments during linkage). The huge advantage is that other tools (e.g. IDEs) will treat these files appropriately.

            Source https://stackoverflow.com/questions/48322527

            QUESTION

            Issue with Memcached with session storing
            Asked 2017-Jun-22 at 09:48

            Today i had to move to MemcacheD because of php7* .ver

            after installing Memcached pecl for php7 i tried to store my session to Memcached but i saw it will take too much longer than default session store ( files )

            Page load without Sess. Memcached < 200 ms

            Page load with Sess. Memcached ABOVE 5 sec

            And the problem is only with session ! i tried to store other datas in memcached and retrieved them asap without any lag or so.

            My MemcacheD setting is:

            ...

            ANSWER

            Answered 2017-Jun-22 at 09:48

            Problem was fixed by updating libmemcached 1.0.16 to 1.0.18 manually since the yum repos only had 1.0.16

            With update now session store use memcached asap without any delay.

            regards

            Source https://stackoverflow.com/questions/44686752

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install FastLZ

            You can download it from GitHub.

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            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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            gh repo clone ariya/FastLZ

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