Categories:
personal:
11 Nov 2024 » Book Updates and Errata. Performance Analysis and Tuning on Modern CPUs (Second Edition)
29 Nov 2020 » Reflections on Writing a Book. Part 2.
28 Nov 2020 » Reflections on Writing a Book. Part 1.
22 Nov 2020 » Writing a Free Book From the Start.
24 Jun 2020 » Draft of my perf book is ready!
13 Dec 2019 » How sport helps me to recharge.
12 Oct 2018 » I am relocating to the US.
03 May 2018 » My learning resources in 2018
12 Mar 2018 » Embo 2018 trip report.
21 Nov 2017 » Code::Dive 2017 trip report.
20 Nov 2016 » Code::Dive 2016 trip report.
optimizations:
01 Apr 2020 » HW and SW rules of thumb.
27 Mar 2019 » Machine code layout optimizations.
25 Nov 2016 » Small size optimization.
21 Nov 2016 » Sentinels.
vectorization:
10 Nov 2017 » Vectorization part7. Tips for writing vectorizable code.
09 Nov 2017 » Vectorization part6. Multiversioning by trip counts.
03 Nov 2017 » Vectorization part5. Multiversioning by data dependency.
02 Nov 2017 » Vectorization part4. Vectorization Width.
30 Oct 2017 » Vectorization part3. Compiler report.
27 Oct 2017 » Vectorization part2. Warmup.
24 Oct 2017 » Vectorization part1. Intro.
tuning:
27 Nov 2019 » Data-Driven tuning. Specialize indirect call.
22 Nov 2019 » Data-Driven tuning. Specialize switch with one hot case.
08 Nov 2018 » Using denormal values is slow. How to detect it?
09 Jul 2018 » Improving performance by better code locality.
18 Jan 2018 » Code alignment issues.
compilers:
27 Mar 2019 » Machine code layout optimizations.
25 Jan 2018 » Code alignment options in llvm.
microarchitecture:
17 Oct 2022 » Four Cornerstones of CPU Performance.
29 Dec 2018 » Understanding IDQ_UOPS_NOT_DELIVERED performance counter.
22 Apr 2018 » What optimizations you can expect from CPU?
21 Mar 2018 » Understanding CPU port contention.
09 Mar 2018 » Store forwarding by example.
23 Feb 2018 » MacroFusion in Intel CPUs.
15 Feb 2018 » MicroFusion in Intel CPUs.
04 Feb 2018 » Microbenchmarking fused instruction.
tools:
01 Sep 2022 » Performance Benefits of Using Huge Pages for Code.
11 May 2022 » Visualizing Performance-Critical Dependency Chains.
17 Dec 2019 » Detect false sharing with Data Address Profiling.
12 Oct 2019 » How to find expensive locks in multithreaded application.
05 Oct 2019 » Performance analysis of multithreaded applications.
13 Sep 2019 » Intel Processor Trace Part4. Better profiling experience.
06 Sep 2019 » Intel Processor Trace Part3. Analyzing performance glitches.
30 Aug 2019 » Intel Processor Trace Part2. Better debugging experience.
23 Aug 2019 » Enhance performance analysis with Intel Processor Trace.
02 Aug 2019 » How to get consistent results when benchmarking on Linux?
06 May 2019 » Estimating branch probability using Intel LBR feature.
03 Apr 2019 » Precise timing of machine code with Linux perf.
23 Feb 2019 » How to collect CPU performance counters on Windows?
09 Feb 2019 » Top-Down performance analysis methodology.
26 Aug 2018 » Basics of profiling with perf.
03 Apr 2018 » Tools for microarchitectural benchmarking.
performance analysis:
10 May 2024 » Thread Count Scaling Part 5. Summary
10 May 2024 » Thread Count Scaling Part 4. CloverLeaf and CPython
10 May 2024 » Thread Count Scaling Part 3. Zstandard
10 May 2024 » Thread Count Scaling Part 2. Blender and Clang
10 May 2024 » Thread Count Scaling Part 1. Introduction
12 Feb 2024 » Memory Profiling Part 5. Data Locality and Reuse Distances
12 Feb 2024 » Memory Profiling Part 4. Memory Footprint Case Study
12 Feb 2024 » Memory Profiling Part 3. Memory Footprint with SDE
12 Feb 2024 » Memory Profiling Part 2. Memory Usage Case Study
12 Feb 2024 » Memory Profiling Part 1. Introduction
17 Oct 2022 » Four Cornerstones of CPU Performance.
01 Sep 2022 » Performance Benefits of Using Huge Pages for Code.
11 May 2022 » Visualizing Performance-Critical Dependency Chains.
26 Feb 2020 » Guest post: COZ vs Sampling Profilers.
30 Dec 2019 » Benchmarking: compare measurements and check which is faster.
17 Dec 2019 » Detect false sharing with Data Address Profiling.
12 Oct 2019 » How to find expensive locks in multithreaded application.
05 Oct 2019 » Performance analysis of multithreaded applications.
23 Aug 2019 » Enhance performance analysis with Intel Processor Trace.
02 Aug 2019 » How to get consistent results when benchmarking on Linux?
26 Jul 2019 » Developing intuition when working with performance counters.
06 May 2019 » Estimating branch probability using Intel LBR feature.
03 Apr 2019 » Precise timing of machine code with Linux perf.
23 Feb 2019 » How to collect CPU performance counters on Windows?
09 Feb 2019 » Top-Down performance analysis methodology.
04 Sep 2018 » Performance analysis vocabulary.
29 Aug 2018 » Understanding performance events skid.
08 Jun 2018 » Advanced profiling topics. PEBS and LBR.
01 Jun 2018 » PMU counters and profiling basics.
03 Apr 2018 » Tools for microarchitectural benchmarking.
beginner friendly:
05 Oct 2019 » Performance analysis of multithreaded applications.
04 Sep 2018 » Performance analysis vocabulary.
26 Aug 2018 » Basics of profiling with perf.
01 Jun 2018 » PMU counters and profiling basics.
challenge:
28 May 2022 » Performance analysis and tuning challenge #6.
16 Jul 2021 » Performance analysis and tuning challenge #5.
27 Mar 2021 » Summary for performance challenge #4. Part 4.
27 Mar 2021 » Summary for performance challenge #4. Part 3.
27 Mar 2021 » Summary for performance challenge #4. Part 2.
27 Mar 2021 » Summary for performance challenge #4. Part 1.
05 Feb 2021 » Performance analysis and tuning challenge #4.
28 May 2019 » Performance analysis and tuning challenge #3.
10 Apr 2019 » Performance analysis and tuning challenge #2.
16 Feb 2019 » Performance optimization challenge #1.
02 Feb 2019 » How good of a performance optimizer you are? Challenge!
windows:
23 Feb 2019 » How to collect CPU performance counters on Windows?
research:
24 Jan 2021 » Machine Programming. What if computers would program themselves?
30 Dec 2020 » Computing industry at the end of 2020 as I see it.
twitter-spaces:
17 Dec 2021 » Highlights from Twitter Spaces discussions 2021.
book chapters:
10 May 2024 » Thread Count Scaling Part 5. Summary
10 May 2024 » Thread Count Scaling Part 4. CloverLeaf and CPython
10 May 2024 » Thread Count Scaling Part 3. Zstandard
10 May 2024 » Thread Count Scaling Part 2. Blender and Clang
10 May 2024 » Thread Count Scaling Part 1. Introduction
12 Feb 2024 » Memory Profiling Part 5. Data Locality and Reuse Distances
12 Feb 2024 » Memory Profiling Part 4. Memory Footprint Case Study
12 Feb 2024 » Memory Profiling Part 3. Memory Footprint with SDE
12 Feb 2024 » Memory Profiling Part 2. Memory Usage Case Study
12 Feb 2024 » Memory Profiling Part 1. Introduction
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