Daniel Lemire

FEBRUARY 8, 2019

Of course, if d is not a power of two, 2 N / d cannot be represented as an integer. I believe that all optimizing C/C++ compilers know how to pull this trick and it is generally beneficial irrespective of the processor’s architecture. uint64_t lowbits = c * n ; return ( ( __uint128_t ) lowbits * d ) > > 64 ; }.

C++ 279

C++ Benchmarking Hardware Testing 279

Scalegrid

JULY 29, 2020

So, we pitted the two connection poolers head-to-head, using the standard pgbench tool, to see which one provides better transactions per second throughput through a benchmark test. All of the PostgreSQL benchmark tests were run under the following conditions: Initialized pgbench using a scale factor of 100. Throughput Benchmark.

Benchmarking 246

Benchmarking Database Performance Testing Availability 246

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. However, it is crucial that the benchmarking application does not have inherent bottlenecks that artificially limits the scalability of the database. Basic Benchmarking Concepts. To benchmark a database we introduce the concept of a Virtual User.

Programming 67

Programming Benchmarking Virtualization C++ 67

The Morning Paper

MAY 12, 2019

An open-source benchmark suite for microservices and their hardware-software implications for cloud & edge systems Gan et al., A typical architecture diagram for one of these services looks like this: Suitably armed with a set of benchmark microservices applications, the investigation can begin! ASPLOS’19.

Open Source 61

Open Source Hardware Benchmarking Systems 61

SQL Performance

DECEMBER 8, 2021

L0 AS ( SELECT 1 AS c. Of course, you can customize the inputs as you wish to test the performance of your solutions. It will be used as a benchmark. This means I'll get the following total numbers of rows in the table: 100,000, 200,000, 300,000, and 400,000. Cursor-Based Solution. Peter provided the cursor-based solution.

C++ 133

C++ Code Benchmarking Performance 133

Brendan Gregg

FEBRUARY 9, 2018

I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. Hit Ctrl-C to end. To explore these I wrote a simple microbenchmark where I could vary the syscall rate and the working set size ([source]). In more detail: ## 1.

Performance 75

Performance Benchmarking Cache Tuning 75

Brendan Gregg

FEBRUARY 8, 2018

I then analyzed performance during the benchmark ([active benchmarking]), and used other benchmarks to confirm findings. Hit Ctrl-C to end. To explore these I wrote a simple microbenchmark where I could vary the syscall rate and the working set size ([source]). In more detail: ## 1.

Performance 40

Performance Benchmarking Cache Tuning 40

Randon ASCII

APRIL 17, 2018

And, of course, this post will also cover how to detect and avoid this problem. When you own all of the code then this may involve some back of the envelope estimates, competitive benchmarking, or intuition tuned by experience. The source code for the C# FileSystemWatcher class can be found here. You know where to find me.

Monitoring 43

Monitoring C++ Code Processing 43

Alex Russell

MAY 9, 2022

Folks at this level of awareness might also simply assume that "it's the web, of course it's slow" and reach for native apps as a panacea (they aren't). This blindspot usually extends up to the C-suite. They may be passively collecting some data (e.g., It isn't anyone's job description to do so. What's the problem?

Performance 86

Performance Latency Metrics Engineering 86

Smashing Magazine

JUNE 2, 2021

Today, the website is much faster and ranks highly in various showcases and benchmarks. Of course, a shop needs interactive elements , be it product image zooming, some videos, a countdown to today’s shipping deadline, or a chat window to get in contact with customer support. Row C : The product carousel of similar products.

Performance 115

Performance Cache Website Mobile 115

Smashing Magazine

JANUARY 11, 2021

This might be very different for your company, of course, but that’s a close enough approximation of a majority of customers out there. Geekbench CPU performance benchmarks for the highest selling smartphones globally in 2019. Webpack Fundamentals is a very comprehensive 4h course with Sean Larkin, released by FrontendMasters.

Performance 145

Performance Cache Media Metrics 145

Smashing Magazine

JANUARY 6, 2020

This might be very different for your company, of course, but that’s a close enough approximation of a majority of customers out there. Geekbench CPU performance benchmarks for the highest selling smartphones globally in 2019. Webpack Fundamentals is a very comprehensive 4h course with Sean Larkin, released by FrontendMasters.

Performance 145

Performance Cache Network Metrics 145