The Morning Paper

MAY 27, 2019

CheriABI: enforcing valid pointer provenance and minimizing pointer privilege in the POSIX C run-time environment Davis et al., That ‘reasonable’ performance cost is a 6.8% And this all has to work for whole-system executions, not just the C-language portion of user processes. ASPLOS’19. CHERI implementation.

C++ 61

C++ Hardware Virtualization Benchmarking 61

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 Efficiency Database Performance 52

SQL Performance

APRIL 13, 2022

Finally, I’ll compare the performance of the different solutions. To test the performance of your solution, you’ll need to populate the table with larger volumes of sample data. L0 AS ( SELECT 1 AS c. In some of those cases, forcing a serial plan with a hint resulted in option 3 above, and in better performance.

C++ 136

C++ Strategy Testing Servers 136

Percona

DECEMBER 23, 2022

The use case is the TPC-C benchmark but executed not on a high-end server but on a lower-spec virtual machine that is I/O limited like for example, with AWS EBS volumes. The storage device has performance characteristics pretty similar to an AWS gp2 EBS volume of about 330 GB in size. The TPC-C dataset I used was with a scale of 200.

Storage 55

Storage Cache C++ Virtualization 55

SQL Performance

JULY 13, 2022

To test the performance of the solutions, you’ll need a larger set of sample data. L0 AS ( SELECT 1 AS c. GetNums ( 1 , @numrows ) AS N ; Feel free, of course, to test the performance of the solutions with different data loading parameters if you’d like.

C++ 112

C++ Code Azure Database 112

Testsigma

NOVEMBER 18, 2021

Over the course of two decades, he has helped Fortune 500 companies implement Agile testing practices. Q1: What changes have you seen in SDLC and QA’s role in it over the course of two decades? Performance or security tests are seen as a part of ‘hardening’ or release-level sprints. It started in the early 2000s.

Engineering 104

Engineering Social Media DevOps Azure 104

SQL Performance

JANUARY 13, 2021

L0 AS ( SELECT 1 AS c. GetNumsItzikBatch ( 1 , 100000000 ) OPTION ( MAXDOP 1 ) ; Here are the performance stats that I got for this execution: CPU time = 16985 ms, elapsed time = 18348 ms. L0 AS ( SELECT 1 AS c. Alan Burstein's and Charlie's improvements.

C++ 113

C++ Code Testing Processing 113

SQL Performance

JULY 1, 2021

t2 ( id bigint IDENTITY PRIMARY KEY , msg ntext ) ; Now, let's try to perform online operations on the tables: ALTER TABLE dbo. An online operation cannot be performed for index 'PK__t2__3213E83FEEA1E0AD' because the index contains column 'msg' of data type text, ntext, image or FILESTREAM. name , [ Column ] = c.

C++ 58

C++ Database Servers Performance 58

SQL Performance

MAY 24, 2022

As an example, the following query is invalid for this reason: WITH C AS. ( ORDER BY orderdate , orderid ROWS UNBOUNDED PRECEDING ) ) SELECT *, SUM ( qty ) OVER W AS runsumqty22 FROM C WHERE orderdate >= '20220101' ; This code generates the following error: Msg 5362, Level 15, State 3, Line 172. OrderValues.

Servers 145

Servers C++ Code Database 145

O'Reilly

DECEMBER 12, 2023

While it still may be difficult to evaluate the contribution of the different sources (23% from A, 42% from B, 35% from C), and while we can expect a lot of natural language “glue” to have come from the model itself, we’ve taken a big step forward towards Lanier’s data dignity. But Google has the best search engine in the world.

Artificial Intelligence 101

Artificial Intelligence Media Google Processing 101

Percona

JUNE 20, 2023

In order to understand “segmentation fault,” it is a must to know the basic idea of segmentation and its implementation in C programming. ” This is not unusual and doesn’t affect the course of the execution as it just loads desirable items in memory. Copyright (C) 2020 Free Software Foundation, Inc.

Programming 83

Programming C++ Database Virtualization 83

Sutter's Mill

APRIL 14, 2011

Scott Meyers, Andrei Alexandrescu and I are continuing to craft and announce the technical program for C++ and Beyond (C&B) 2011 , and two more sessions are now posted. All talks are brand-new material created specifically for C&B 2011. Here are short blurbs; follow the links for longer descriptions.

C++ 40

C++ Programming Strategy Scalability 40

SQL Performance

JUNE 10, 2020

That is, does SQL Server perform a substitution process whereby it converts the original nested code into one query that goes directly against the base tables? Customers AS C WHERE EXISTS ( SELECT * FROM Sales. custid = C. Customers AS C LEFT OUTER JOIN Sales. Orders AS O ON C. Orders AS O WHERE O. ORDER BY O.

C++ 109

C++ Database Servers Code 109

The Morning Paper

OCTOBER 18, 2020

The resulting performance depends on the quality of the model predictions, a higher quality model leads to fewer collisions, and fewer out-of-order items to be patched in the final Insertion Sort pass. If it’s high performance you’re after, you can’t ignore mechanical sympathy. sec and RadixSort took 37.5

Cache 137

Cache C++ Java Tuning 137

SQL Performance

MAY 13, 2020

Customers AS C WHERE country = N'USA' ; Also here, the common assumption is that AS C is just a way to rename, or alias, the table Customers for the purposes of this query, starting with the logical query processing step where the name is assigned and onwards. C is what's known as a range variable. Orders AS O ON C.

C++ 143

C++ Code Design Servers 143

HammerDB

JUNE 22, 2023

Turning Jobs Off and On Of course one of the most important aspects is to be able to disable the functionality. Copyright (C) 2003-2023 Steve Shaw Type "help" for a list of commands Initialized new Jobs on-disk database /opt/HammerDB-4.8/DATA/hammer.db On Windows it will look for TEMP, TMP, TMPDIR or finally C: for example, on Linux.

Benchmarking 57

Benchmarking C++ Virtualization Database 57

Percona

AUGUST 31, 2018

In this blog, we will establish basic guidelines for setting PostgreSQL database parameters to improve database performance according to workload. Bear in mind that while optimizing PostgreSQL server configuration improves performance, a database developer must also be diligent when writing queries for the application. shared_buffer.

Tuning 55

Tuning Database Performance Benchmarking 55

SQL Performance

JUNE 10, 2020

That is, does SQL Server perform a substitution process whereby it converts the original nested code into one query that goes directly against the base tables? Customers AS C WHERE EXISTS ( SELECT * FROM Sales. custid = C. Customers AS C LEFT OUTER JOIN Sales. Orders AS O ON C. Orders AS O WHERE O. ORDER BY O.

C++ 93

C++ Database Servers Code 93

SQL Performance

MAY 11, 2022

By following some basic tips you can sometimes reduce the number of explicit sort operators, which can, of course, have a major impact on the performance of the query. The following query, which I’ll refer to as Query 5, illustrates this technique: WITH C AS. ( Environment for Demos. Figure 5: Plan for Query 5.

C++ 133

C++ Database Servers Code 133

Sutter's Mill

JULY 8, 2011

I just posted two more sessions I’ll be giving next month at C++ and Beyond. “C++ Renaissance.” already know that C++ is “the” language of choice for demanding applications. already know that C++ is “the” language of choice for demanding applications. “How to Teach Today’s C++.”

C++ 40

C++ Lambda Programming Efficiency 40

Smashing Magazine

DECEMBER 2, 2021

Good ol’ PerfPlanet is back for another season with all things speed and web performance. Anyone is welcome to contribute to the calendar , so do feel free to reach out with a topic or tool you’re passionate about, or a technique you’d like to teach and tell the web performance community about. C# Advent Calendar. Rock on! ??.

Design 107

Design Development Programming Website 107

Tim Kadlec

FEBRUARY 13, 2020

The pattern itself is no longer recommended, but it’s a helpful illustration of why it’s important to be careful about how you use preload as well as a useful, real-world demonstration of how the order of your document can have a significant impact on performance (something Harry Roberts has done an outstanding job of detailing ).

Network 145

Network C++ Performance Processing 145

SQL Performance

OCTOBER 9, 2019

Employees ; The next step is of course mindreading. As an example, suppose that you need to perform some task per database in your instance. Using a cursor, you would normally use code similar to the following: DECLARE @dbname AS sysname ; DECLARE C CURSOR FORWARD_ONLY STATIC READ_ONLY FOR. Deallocate the cursor.

C++ 111

C++ Database Servers Code 111

Sutter's Mill

JANUARY 11, 2021

And asserted conditions only evaluated if they’re enabled, so any side effects won’t happen when they’re not enabled; they might sometimes perform local side effects, such as to do logging or allocate memory, but the program should never rely on them happening or not happening. Here they are: Of course this can be even more nuanced.

C++ 58

C++ Programming Code Testing 58

Smashing Magazine

NOVEMBER 16, 2021

DRM-free, of course. To understand touchscreen performance, Steven undertook several studies and found that popular notions of touch accuracy and preferred touch regions are wrong. DRM-free, of course. If you are in the C-suite, do yourself a favor and read. Get Print + eBook. Quality hardcover. Get the eBook.

Mobile 87

Mobile Design Best Practices Website 87

Tasktop

NOVEMBER 17, 2020

Members gain access to custom courses, tailored VSM workshops, c-level roundtables and exclusive content that harvests Tasktop’s deep and profound market-leading knowledge that will enable you to baseline your IT portfolios and rebalance them to adapt quickly to the increasing pace of economic and market change. Subscribe now.

DevOps 52

DevOps C++ Strategy Software 52

The Netflix TechBlog

APRIL 17, 2019

Scalable Video Technology (SVT) is Intel’s open source framework that provides high-performance software video encoding libraries for developers of visual cloud technologies. Reference software serves as the basis for standard development, a framework, in which the performance of video coding tools is evaluated.

Open Source 166

Open Source Scalability Speed Efficiency 166

O'Reilly

JANUARY 13, 2020

So far, it’s been a painless shift in power, which as Eric Matthes, author of Python Crash Course , argues, should come as no surprise, since “Guido has carried himself, and his role in the community, with such poise for so long.” And as Rust expert Nathan Stocks notes, “You get light sandboxing as well!”

Programming 130

Programming Java Google C++ 130

Tasktop

OCTOBER 28, 2020

Members gain access to custom courses, tailored workshops, c-level roundtables and exclusive content that harvests Tasktop’s deep and profound market-leading knowledge that will enable you to baseline your IT portfolios and rebalance them to adapt quickly to the increasing pace of economic and market change. .

Healthcare 90

Healthcare Innovation Government Best Practices 90

Particular Software

MARCH 28, 2022

Saga analyzers Sagas have a powerful API, but it’s limited by the confines of C#. You can create a class that is a lousy saga but is still perfectly valid C# code. So the newest version of our testing framework now includes tools to perform saga scenario testing , which are more expressive than testing sagas with standard unit tests.

Development 52

Development C++ Virtualization Metrics 52

Percona

JUNE 4, 2023

Critical features of MariaDB include robust security features like encryption at rest and in transit, user authentication, and role-based access control (RBAC), as well as high-performance query execution, advanced indexing techniques, and replication, clustering, and sharding, ensuring scalability and high availability. What is MySQL?

Open Source 52

Open Source Servers Storage Scalability 52

Dynatrace

OCTOBER 7, 2020

A topological link to an entity only makes sense, of course, if the measurement that’s sent to Dynatrace has a semantic relationship to that entity. See the C ustom info metric event below that was raised for the easyTravel application based on an anomaly that was detected in the business metric for stores in Anaheim.

Metrics 245

Metrics Analytics Storage Monitoring 245

Highly Scalable

JUNE 5, 2012

At GridDynamics, we recently worked on a custom database for realtime web analytics where fast intersection of very large lists of IDs was a must for good performance. However, it was interesting to evaluate performance of alternative approaches. Performance of this procedure both in C and Java will be evaluated in the last section.

C++ 102

C++ Java Performance Testing Efficiency 102

Tasktop

FEBRUARY 3, 2021

Members gain access to custom courses, tailored VSM workshops, c-level roundtables and exclusive content that harvests Tasktop’s deep and profound market-leading knowledge that will enable you to baseline your IT portfolios and rebalance them to adapt quickly to the increasing pace of economic and market change. Subscribe now.

DevOps 52

DevOps Education Speed Software Engineering 52

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. Rich became co-author of the second edition of the Sun Performance Tuning book, to describe how it worked.

Tuning 52

Tuning Benchmarking Engineering C++ 52

The Agile Manager

MAY 31, 2021

Of course, there are first order benefits to legacy modernization. The risks in a legacy modernization investment are entirely to do with execution of the investment itself, not how well the investment performs post-production. But many a C-level exec has been fired for cost overruns on utility investments.

C++ 52

C++ Efficiency Systems Technology 52

Smashing Magazine

JUNE 30, 2021

The Problem Of Unpredictable Performance. At the same time, we have a widening performance gap. In terms for performance, these phones have plateaued at the performance of a 2012 iPhone. Applications built for the Web are expected to run on devices that fall anywhere on this broad performance spectrum.

Games 145

Games Architecture Code C++ 145