Hoard
gperftools
Hoard | gperftools | |
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1 | 4 | |
1,058 | 8,177 | |
- | 0.6% | |
4.2 | 9.5 | |
9 months ago | 21 days ago | |
C++ | C++ | |
Apache License 2.0 | BSD 3-clause "New" or "Revised" License |
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Hoard
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How do applications request for RAM from the CPU?
Hoard by Emery Berger
gperftools
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I find it's not possible to do serious C/C++ coding on latest macOS
For profiling you are right clang has no -pg that works. But there are options, since clang supports PGO the fprofile flags could be what you need. they will generated a profraw file for you. There is also gperf tools which work for more than just linux. https://github.com/gperftools/gperftools
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Why So Slow? Using Profilers to Pinpoint the Reasons of Performance Degradation
Because we couldn't identify the issue using the results we got from Callgrind, we reached for another profiler, gperftools. It's a sampling profiler and therefor it has a smaller impact on the application's performance in exchange for less accurate call statistics. After filtering out the unimportant parts and visualizing the rest with pprof, it was evident that something strange was happening with the send function. It took only 71 milliseconds with the previous implementation and more than 900 milliseconds with the new implementation of our Bolt server. It was very suspicious, but based on Callgrind, its cost was almost the same as before. We were confused as the two results seemed to conflict with each other.
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Is there a way I can visualize all the function calls made while running the project(C++) in a graphical way?
gprftools (https://github.com/gperftools/gperftools) can be easily plugged in using LD_PRELOAD and signal, and has nice go implemented visualization tool https://github.com/google/pprof.
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How do applications request for RAM from the CPU?
Google's tcmalloc
What are some alternatives?
mimalloc - mimalloc is a compact general purpose allocator with excellent performance.
pprof - pprof is a tool for visualization and analysis of profiling data
jemalloc
memory-allocators - Custom memory allocators in C++ to improve the performance of dynamic memory allocation
massif-visualizer - Visualizer for Valgrind Massif data files
rpmalloc - Public domain cross platform lock free thread caching 16-byte aligned memory allocator implemented in C
Heap-Layers - Heap Layers: An Extensible Memory Allocation Infrastructure
tracy - Frame profiler
tbb - oneAPI Threading Building Blocks (oneTBB) [Moved to: https://github.com/oneapi-src/oneTBB]
minitrace - Simple C/C++ library for producing JSON traces suitable for Chrome's built-in trace viewer (about:tracing).