nanobench | accurate single-header microbenchmarking functionality | Performance Testing library

 by   martinus C++ Version: v4.3.11 License: MIT

kandi X-RAY | nanobench Summary

kandi X-RAY | nanobench Summary

nanobench is a C++ library typically used in Testing, Performance Testing applications. nanobench has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

ankerl::nanobench is a platform independent microbenchmarking library for C++11/14/17/20. The whole executable runs for ~60ms and prints. Which github renders as. The benchmarked code takes 7.52 nanoseconds to run, so ~133 million times per seconds. Measurements fluctuate by 1.1%. On average 6.65 instructions are executed in 24.07 CPU cycles, resulting in 0.276 instructions per second. A single branch is in the code, which branch prediction missed in 8.9% of the cases. Total runtime of the benchmark with the name some double ops is 0.00, so just a few milliseconds.
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            kandi-support Support

              nanobench has a medium active ecosystem.
              It has 1083 star(s) with 64 fork(s). There are 20 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 2 open issues and 59 have been closed. On average issues are closed in 60 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of nanobench is v4.3.11

            kandi-Quality Quality

              nanobench has 0 bugs and 0 code smells.

            kandi-Security Security

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

            kandi-License License

              nanobench is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              nanobench releases are available to install and integrate.
              Installation instructions are not available. Examples and code snippets are available.
              It has 6398 lines of code, 0 functions and 20 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

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            nanobench Key Features

            No Key Features are available at this moment for nanobench.

            nanobench Examples and Code Snippets

            No Code Snippets are available at this moment for nanobench.

            Community Discussions

            QUESTION

            Create std::string from std::span of unsigned char
            Asked 2022-Jan-23 at 16:19

            I am using a C library which uses various fixed-sized unsigned char arrays with no null terminator as strings.

            I've been converting them to std::string using the following function:

            ...

            ANSWER

            Answered 2022-Jan-22 at 22:33

            QUESTION

            Why is POP slow when using register R12?
            Asked 2020-Nov-12 at 01:52

            On recent Intel CPUs, the POP instruction usually has a throughput of 2 instructions per cycle. However, when using register R12 (or RSP, which has the same encoding except for the prefix), the throughput drops to 1 per cycle if the instructions go through the legacy decoders (the throughput stays at around 2 per cycle if the µops come from the DSB).

            This can be reproduced using nanoBench as follows:

            ...

            ANSWER

            Answered 2020-Nov-12 at 01:52

            Workaround: the pop r/m64 encoding of pop r12 doesn't have this decode penalty. (Thanks @Andreas for testing my guess.)

            Source https://stackoverflow.com/questions/64791977

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

            Vulnerabilities

            No vulnerabilities reported

            Install nanobench

            You can download it from GitHub.

            Support

            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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            https://github.com/martinus/nanobench.git

          • CLI

            gh repo clone martinus/nanobench

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            git@github.com:martinus/nanobench.git

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