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All posts in Developer Tools

Speedscope: visualize what your program is doing and where it is spending time

Speedscope: visualize what your program is doing and where it is spending time

Posted on March 13, 2021March 19, 2022Author Ivica BogosavljevićPosted in Developer Tools, Performance, Performance Analysis Tools3 Replies

In this post we introduce Speescope, a useful tool to help you visualize what your program is doing and where it is spending time.

Multitime: a small utility to measure your program’s runtime

Multitime: a small utility to measure your program’s runtime

Posted on October 23, 2020March 19, 2022Author Ivica BogosavljevićPosted in Developer Tools, Performance, Performance Analysis ToolsLeave a Reply

Multitime is a tool that you can use to repeat a command several times, and get additional information about its runtime: mean, standard deviation etc. Read this short article to get you started,

Lessons in debugging: observe how programs interact with the Linux kernel with STRACE

Lessons in debugging: observe how programs interact with the Linux kernel with STRACE

Posted on July 12, 2020March 19, 2022Author Ivica BogosavljevićPosted in Debugging, Developer ToolsLeave a Reply

There are a subset of problems in software development that can be traced back to system calls or signals. Learn about STRACE, tool that let you trace system calls and signals and that can help you quickly figure out the origin of those problems.

GDB: A quick guide to make your debugging easier

GDB: A quick guide to make your debugging easier

Posted on June 21, 2020March 19, 2022Author Ivica BogosavljevićPosted in Debugging, Developer ToolsLeave a Reply

We will talk about how to profit from some of GDB’s very useful albeit less known features.

FlameGraphs: Understand where your program is spending time

FlameGraphs: Understand where your program is spending time

Posted on June 6, 2020March 19, 2022Author Ivica BogosavljevićPosted in Developer Tools, Performance, Performance Analysis ToolsLeave a Reply

Learn about FlameGraphs, a great tool that will help you quickly find slow functions in your program.

MOSH – a simple SSH replacement that works when network conditions are bad

MOSH – a simple SSH replacement that works when network conditions are bad

Posted on May 31, 2020March 19, 2022Author Ivica BogosavljevićPosted in Developer Tools3 Replies

Connection keeps dropping with SSH? Read about mosh, a simple addition to SSH that can keep your connection survive the rough network environment.

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  • Decreasing the Number of Memory Accesses 1/2
  • Frugal Programming: Saving Memory Subsystem Bandwidth
  • For Software Performance, the Way Data is Accessed Matters!
  • What is faster: vec.emplace_back(x) or vec[x] ?
  • When an instruction depends on the previous instruction depends on the previous instructions… : long instruction dependency chains and performance

Recent Posts

  • Decreasing the Number of Memory Accesses 1/2
  • Frugal Programming: Saving Memory Subsystem Bandwidth
  • For Software Performance, the Way Data is Accessed Matters!
  • What is faster: vec.emplace_back(x) or vec[x] ?
  • When an instruction depends on the previous instruction depends on the previous instructions… : long instruction dependency chains and performance

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  • Ivica Bogosavljević on Make your programs run faster by better using the data cache
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