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All posts in July 2020

The price of dynamic memory: Allocation

The price of dynamic memory: Allocation

Posted on July 25, 2020March 19, 2022Author Ivica BogosavljevićPosted in C++ Performance, Performance, Standard Library and Performance4 Replies

We talk about how to speed up your program if your program is taking time to allocate or release memory.

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.

How branches influence the performance of your code and what can you do about it?

How branches influence the performance of your code and what can you do about it?

Posted on July 5, 2020March 19, 2022Author Ivica BogosavljevićPosted in Low Level Performance, Performance2 Replies

In this articles we investigate on how branches influence the performance of the code and what can we do to improve the speed of our branchfull code.

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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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  • Ivica Bogosavljević on Decreasing the Number of Memory Accesses 1/2
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  • Ivica Bogosavljević on Decreasing the Number of Memory Accesses 1/2

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