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  2. zstd - Wikipedia

    en.wikipedia.org/wiki/Zstd

    Starting from version 1.3.2 (October 2017), zstd optionally implements very-long-range search and deduplication (--long, 128 MiB window) similar to rzip or lrzip. [ 7 ] Compression speed can vary by a factor of 20 or more between the fastest and slowest levels, while decompression is uniformly fast, varying by less than 20% between the fastest ...

  3. Standard Delay Format - Wikipedia

    en.wikipedia.org/wiki/Standard_Delay_Format

    Standard Delay Format (SDF) is an IEEE standard for the representation and interpretation of timing data for use at any stage of an electronic design process. It finds wide applicability in design flows, and forms an efficient bridge between dynamic timing analysis and static timing analysis .

  4. Time formatting and storage bugs - Wikipedia

    en.wikipedia.org/wiki/Time_formatting_and...

    The "DATE-75" patch pushed the last encodable date to 1 February 2052, making the overflow date 2 February 2052, by using 3 spare bits from other fields in the file system's metadata, but this sometimes caused problems with software that used those bits for its own purposes. Some software may have supported using one additional bit for the date ...

  5. C file input/output - Wikipedia

    en.wikipedia.org/wiki/C_file_input/output

    The C programming language provides many standard library functions for file input and output.These functions make up the bulk of the C standard library header <stdio.h>. [1] The functionality descends from a "portable I/O package" written by Mike Lesk at Bell Labs in the early 1970s, [2] and officially became part of the Unix operating system in Version 7.

  6. Delay calculation - Wikipedia

    en.wikipedia.org/wiki/Delay_calculation

    A common file format for storing the lookup tables is the Liberty [2] [3] format. A very simple model called the K-factor model is sometimes used. This approximates the delay as a constant plus k times the load capacitance. A more complex model called Delay Calculation Language, [4] or DCL, calls a user-defined program whenever a delay value is ...

  7. COFF - Wikipedia

    en.wikipedia.org/wiki/COFF

    The Common Object File Format (COFF) is a format for executable, object code, and shared library computer files used on Unix systems. It was introduced in Unix System V, replaced the previously used a.out format, and formed the basis for extended specifications such as XCOFF and ECOFF, before being largely replaced by ELF, introduced with SVR4.

  8. Very long instruction word - Wikipedia

    en.wikipedia.org/wiki/Very_long_instruction_word

    Very long instruction word (VLIW) refers to instruction set architectures that are designed to exploit instruction-level parallelism (ILP). A VLIW processor allows programs to explicitly specify instructions to execute in parallel, whereas conventional central processing units (CPUs) mostly allow programs to specify instructions to execute in sequence only.

  9. C preprocessor - Wikipedia

    en.wikipedia.org/wiki/C_preprocessor

    Due to its limitations, C and C++ language features have been added over the years to minimize the value and need for the preprocessor. Constant. For a long time, a preprocessor macro provided the preferred way to define a constant value. An alternative has always been to define a const variable, but that results in consuming runtime memory.