John McCalpin

APRIL 25, 2023

The primary metric for memory bandwidth in multicore processors is that maximum sustained performance when using many cores. This post is about a secondary performance characteristic — sustained memory bandwidth for a single thread running on a single core. buffer copies for filesystem access) with a single thread.

Benchmarking 97

Benchmarking Cache Latency Tuning 97

Scalegrid

JANUARY 25, 2024

Redis® is an in-memory database that provides blazingly fast performance. This makes it a compelling alternative to disk-based databases when performance is a concern. You might already use ScaleGrid hosting for Redis hosting to power your performance-sensitive applications.

Metrics 130

Metrics Monitoring Latency Cache 130

Smashing Magazine

MARCH 2, 2021

If you’d like to dive deeper into the performance of Android and iOS devices, you can check Geekbench Android Benchmarks for Android smartphones and tablets, and iOS Benchmarks for iPhones and iPads. A performance benchmark Lighthouse is well-known. Performing Mobile Web Testing. billion by 2026.

Mobile 142

Mobile Testing Website Benchmarking 142

John McCalpin

APRIL 2, 2020

This was a keynote presentation at the “2nd International Workshop on Performance Modeling: Methods and Applications” (PMMA16), June 23, 2016, Frankfurt, Germany (in conjunction with ISC16 ). This includes all architectures, all compilers, all operating systems, and all system configurations.

Benchmarking 59

Benchmarking Performance Latency Architecture 59

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

HammerDB

APRIL 19, 2023

Predicting application performance is a difficult art, but an important one when choosing the target deployment environment. In this blog, we aim to call out some key considerations when trying to assess MySQL performance for your application. This allows us to know our operating environment and its capability.

Performance 55

Performance Benchmarking Cache Storage 55

O'Reilly

MARCH 25, 2025

Evaluation : How do we evaluate such systems, especially when outputs are qualitative, subjective, or hard to benchmark? Iteration : We know we need to experiment with and iterate on these system. How error analysis and iteration refine both LLM performance and system desig n. How do we do so?

Systems 69

Systems Development Tuning Monitoring 69

MachMetrics

DECEMBER 14, 2019

With another year winding down, it’s time for us to take stock of how our site performance compares to the average page load times for 2020. As you know, there are many metrics that determine a website’s page speed, and we can’t look at just one of them to determine how performant our site is.

Best Practices 105

Best Practices Speed Mobile Google 105

Percona

AUGUST 30, 2018

Because recognizing if the workload is read intensive or write intensive will impact your hardware choices, database configuration as well as what techniques you can apply for performance optimization and scalability. Let’s examine the TPC-C Benchmark from this point of view, or more specifically its implementation in Sysbench.

Benchmarking 72

Benchmarking Database Operating System Architecture 72

HammerDB

JANUARY 5, 2019

Some opinions claim that “Benchmarks are meaningless”, “benchmarks are irrelevant” or “benchmarks are nothing like your real applications” However for others “Benchmarks matter,” as they “account for the processing architecture and speed, memory, storage subsystems and the database engine.”

Benchmarking 40

Benchmarking Database Social Media Scalability 40

HammerDB

FEBRUARY 25, 2021

HammerDB is a load testing and benchmarking application for relational databases. On high-performance multi-core systems all the supported databases can return performance in the many millions of transactions per minute. Basic Benchmarking Concepts. Database benchmarking in parallel.

Programming 68

Programming Benchmarking Virtualization C++ 68

Scalegrid

JANUARY 12, 2024

Simply put, it’s the set of computational tasks that cloud systems perform, such as hosting databases, enabling collaboration tools, or running compute-intensive algorithms. Such solutions also incorporate features like disaster recovery and built-in safeguards that ensure data integrity across diverse operating systems.

Cloud 130

Cloud Virtualization Storage Efficiency 130

HammerDB

JUNE 27, 2022

HammerDB is a software application for database benchmarking. It enables the user to measure database performance and make comparative judgements about database hardware and software. HammerDB has graphical and command line interfaces for the Windows and Linux operating systems. Why HammerDB was developed.

Benchmarking 63

Benchmarking Open Source C++ Cache 63

Percona

MAY 1, 2023

In this blog post, we will delve into the world of PostgreSQL performance tuning and establish some basic guidelines for setting database parameters to enhance the performance of your PostgreSQL database, based on the workload. What is PostgreSQL performance tuning? Why is PostgreSQL performance tuning important?

Tuning 52

Tuning Database Efficiency Performance 52

SQL Performance

DECEMBER 17, 2019

You will still have to maintain your operating system, SQL Server and databases just like you would in an on-premises scenario. These include Entry level, General purpose, Compute optimized, Memory optimized, Storage optimized, GPU, High performance compute and Confidential secure enclave.

Azure 72

Azure Virtualization Servers Storage 72

John McCalpin

APRIL 2, 2020

This was a keynote presentation at the “2nd International Workshop on Performance Modeling: Methods and Applications” (PMMA16), June 23, 2016, Frankfurt, Germany (in conjunction with ISC16 ). This includes all architectures, all compilers, all operating systems, and all system configurations.

Benchmarking 40

Benchmarking Performance Latency Architecture 40

HammerDB

APRIL 27, 2021

This will show the benchmark options dialog. Benchmark Options. and benchmark set with the bm argument. For both the time it will take for the build to complete will depend on the HammerDB client CPU and the performance of the database server being loaded, during this time each action will be printed to the display.

Virtualization 74

Virtualization Benchmarking Database Operating System 74

The Morning Paper

MAY 23, 2019

Today’s paper introduces Zippads , which compared to a state of the art compressed memory hierarchy is able to achieve a 1.63x higher compression ratio and improve performance by 17%. Consider a B-Tree node from the B-tree Java benchmark: Uncompressed, it’s memory layout looks like (a) below. ” The big idea. Evaluation.

Cache 61

Cache Benchmarking Hardware Java 61

Testsigma

JANUARY 12, 2021

Even though most of the web browsers adhere to the Open Web Standards and render HTML, CSS, and JavaScript, it does not guarantee constant performance throughout browsers. If an app ill-performs due to browser or viewport – the user experience is severely hampered. What Is Covered Under Cross Browser Compatibility Testing?

Website 65

Website Operating System Testing Tools Benchmarking 65

John McCalpin

APRIL 25, 2023

The primary metric for memory bandwidth in multicore processors is that maximum sustained performance when using many cores. This post is about a secondary performance characteristic — sustained memory bandwidth for a single thread running on a single core. buffer copies for filesystem access) with a single thread.

Benchmarking 40

Benchmarking Cache Latency Tuning 40

The Morning Paper

MAY 27, 2019

The basic question here is whether it is practical to support a large-scale C-language software stack with strong pointer-based protection… with only modest changes to existing C code-bases and with reasonable performance cost. That ‘reasonable’ performance cost is a 6.8% faster for system calls). Conceptual model.

C++ 61

C++ Hardware Virtualization Benchmarking 61

Tim Kadlec

JUNE 26, 2008

Firefox 3 Memory Benchmarks and Comparison. being freshly released, here’s a nice memory performance comparison of those browsers, as well as the IE Beta version 1 and Flock. The author, Chris Corbyn, walks through the TDD process using PHP examples, and describes some of the benefits he has discovered in the TDD process.

Benchmarking 40

Benchmarking Operating System Testing Technology 40

Adrian Cockcroft

JANUARY 20, 2023

on Myths and Legends of High Performance Computing  — it’s a somewhat light-hearted look at some of the same issues by the leader of the team that built the Fugaku system I mention below. HPCG is led by Japan’s RIKEN Fugaku system at 16 petaflops, which is 3% of it’s peak capacity. petaflops, which is 0.8% of peak capacity.

Architecture 52

Architecture Latency Benchmarking AWS 52

Testsigma

MARCH 23, 2021

We don’t even need a moment to gather which operating system is the most used one. Owing to the wide market range of Android apps, an average user has plenty of other alternatives and if we have to retain our existing customer base and attract new users, our apps have to perform without any snag.

Testing 52

Testing Mobile Testing Tools Strategy 52

PDC

APRIL 14, 2019

It ranks the world’s 500 most powerful supercomputers based on their performance as measured by the Linpack benchmark. In addition to performance, the Top500 list also summarises the main characteristics of the supercomputers in the list. This is also commonly known as “double precision” on many computer systems.

Energy 40

Energy Benchmarking Efficiency Website 40

Apica

APRIL 11, 2023

Businesses today use automation for everything from payroll to report generation, and they often turn to a robotic process automation (RPA) system to help. RPAs are versatile, valuable tools that allow you to create a set of instructions that a bot can perform. You should be able to test and monitor it if it has a network connection.

IoT 40

IoT Benchmarking Scalability Network 40

SQL Server According to Bob

AUGUST 23, 2021

SQL Server may choose to divide the memory node allow ing ​​ for better partitioning and performance. The decision is performance driven. ​​ A memory node represents the memory associated with a group of CPUs from the physical hardware. ​​ (Usually queries submitted from TDS based clients.)

Servers 40

Servers Azure Operating System Database 40

Percona

JULY 1, 2023

These may be performance, high availability, operational cost, management, capacity planning, scalability, security, monitoring, etc. There are also cases where although the workload and operational needs seem to best fit to one solution, there are other limiting factors that may be blockers (or at least need special handling).

AWS 52

AWS Database Serverless Storage 52

HammerDB

NOVEMBER 30, 2018

This article Threads Done Right… With Tcl gives an excellent overview of these capabilities and it should be clear that to build a scalable benchmarking tool this thread performance and scalability is key. Virtual Users within HammerDB are operating system threads. Virtual Users.

Architecture 40

Architecture Virtualization Open Source C++ 40

ScaleOut Software

MAY 15, 2014

In addition to looking at performance differences, we also want to compare ScaleOut StateServer (SOSS) to AppFabric on qualitative measures, such as features, ease of installation, and management. Testing Scale-Up Performance. So our comments will be confined to what testing we felt was valuable and how well SOSS performed.

Cache 40

Cache Servers Network Design 40

Randon ASCII

APRIL 17, 2018

When you own all of the code then this may involve some back of the envelope estimates, competitive benchmarking, or intuition tuned by experience. When dealing with a closed box like Microsoft’s NTFS file system it’s trickier to know if things could be running faster than they are. I recommend using the latest version of VsChromium.

Monitoring 43

Monitoring C++ Code Processing 43

SQL Server According to Bob

JANUARY 11, 2020

Microsoft SQL Server I/O Basics Author: ​​ Bob Dorr, Microsoft SQL Server Escalation Published: ​​ December, 2004 SUMMARY: ​​ Learn the I/O requirements for Microsoft SQL Server database file operations. This will help you increase system performance and avoid I/O environment errors.

Servers 40

Servers Cache Media Hardware 40

Smashing Magazine

JUNE 2, 2021

Improving The Performance Of An Online Store (Case Study). Improving The Performance Of An Online Store (Case Study). Every front-end developer is chasing the same holy grail of performance: green scores in Google Page Speed. Today, the website is much faster and ranks highly in various showcases and benchmarks.

Performance 132

Performance Cache Website Mobile 132

Adrian Cockcroft

JUNE 21, 2022

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. We had specializations in hardware, operating systems, databases, graphics, etc.

Tuning 52

Tuning Benchmarking Engineering C++ 52

SQL Server According to Bob

JANUARY 11, 2020

Subsystem / Path The ​​ I/O subsystem or path ​​ includes ​​ those ​​ components ​​ that are ​​ used to support an I/O operation.

Servers 40

Servers Cache Database Media 40

HammerDB

DECEMBER 10, 2024

More than ever, we see confusion in interpreting and comparing the performance of databases with workloads derived from the TPC-Council’s TPC-C specification, including HammerDB’s TPROC-C NOPM and TPM. tpmC tpmC is the transactions per minute metric that is the measurement of the official TPC-C benchmark from the TPC-Council.

C++ 58

C++ Benchmarking Hardware Performance 58

High Scalability

NOVEMBER 25, 2019

For e.g., if accessing file system over WebDAV or FTP has performance issues, and it will take 4 hours to fix, then for those 4 hours, you can just kill FTP/WebDAV at kong/firewall and ask customers to use web UI or other mechanisms to work. Who performs what roles? What operating systems do you use?

Architecture 52

Architecture Cache Azure Storage 52