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All posts in May 2020

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.

Link Time Optimizations: New Way to Do Compiler Optimizations

Link Time Optimizations: New Way to Do Compiler Optimizations

Posted on May 27, 2020February 7, 2023Author Ivica BogosavljevićPosted in Memory Footprint, Performance, Toolchain and Performance4 Replies

Traditional compilation-linking cycle generates binaries that work fine, but in case you need more speed, you need to learn about link time optimizations. Here we talk about what link time optimizations are, how to enable them and what improvements to expect.

Make your programs run faster by better using the data cache

Make your programs run faster by better using the data cache

Posted on May 22, 2020March 20, 2023Author Ivica BogosavljevićPosted in Low Level Performance, Performance17 Replies

We investigate how the data cache influences the performance of your program, talk about ways for you to write faster programs by better leveraging the data cache.

A story about error recovery a.k.a those boring recurring bugs and what to do about them

A story about error recovery a.k.a those boring recurring bugs and what to do about them

Posted on May 9, 2020March 19, 2022Author Ivica BogosavljevićPosted in ReliabilityLeave a Reply

I believe everyone has some kind of problem or failure in their system that happens from time to time, that is not that terrible but it hurts the system. This is a short post about exactly that kind of problems and what we did to fix them. My company uses a very large continuous integration…

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  • Growing Buffers to Avoid Copying Data
  • Performance Debugging with llvm-mca: Simulating the CPU!
  • FIYA – Flamegraphs in Your App
  • Memory Subsystem Optimizations – The Remaining Topics
  • Speeding Up Convergence Loops. Or, on Vectorization and Precision Control

Recent Posts

  • Growing Buffers to Avoid Copying Data
  • Performance Debugging with llvm-mca: Simulating the CPU!
  • FIYA – Flamegraphs in Your App
  • Memory Subsystem Optimizations – The Remaining Topics
  • Speeding Up Convergence Loops. Or, on Vectorization and Precision Control

Recent Comments

  • Ivica Bogosavljević on Performance Debugging with llvm-mca: Simulating the CPU!
  • Denis Bakhvalov on Performance Debugging with llvm-mca: Simulating the CPU!
  • Cai on Loop Optimizations: interpreting the compiler optimization report
  • River on What is faster: vec.emplace_back(x) or vec[x] ?
  • Ivica Bogosavljević on Speedscope: visualize what your program is doing and where it is spending time

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