ScaleOut Software

AUGUST 20, 2020

This allows application code to introspect on the dynamic behavior of each data source, maintain synthetic metrics which aid the analysis, and create alerts when conditions require. Real-time digital twins are designed to be easy to develop and modify. Debugging with a Mock Environment. Summing Up.

Cloud 52

Cloud Development Analytics Azure 52

ScaleOut Software

AUGUST 20, 2020

This allows application code to introspect on the dynamic behavior of each data source, maintain synthetic metrics which aid the analysis, and create alerts when conditions require. Real-time digital twins are designed to be easy to develop and modify. Debugging with a Mock Environment. Summing Up.

Cloud 52

Cloud Development Analytics Azure 52

The Agile Manager

AUGUST 31, 2020

In some cases, if only a very few, these assets continue to be used because they still work very well, were thoughtfully designed, and have been well cared for over the years. The exercise of assessing, modeling and dispositioning the landscape does offer valuable new ways of looking at legacy assets.

Architecture 52

Architecture Code Strategy Programming 52

Sutter's Mill

FEBRUARY 17, 2020

Thank you to the following for their feedback on drafts of this material: Howard Hinnant (lead designer and author of move semantics), Jens Maurer, Arthur O’Dwyer, Geoffrey Romer, Bjarne Stroustrup, Andrew Sutton, Ville Voutilainen, Jonathan Wakely. Yes, in my view it does make it a buggy class that shouldn’t pass code review.

C++ 98

C++ Testing Design Strategy 98

Sutter's Mill

MARCH 25, 2021

Some of these are exercised by the “wrong order” permutations above, but even call sites that remember the right argument order can make mistakes about the actual values. We limit the code that is responsible for maintaining the boolean condition. is_reachable? Explain your answer. The benefits to writing a type include: Encapsulation.

C++ 45

C++ Design Code Systems 45

Testlodge

AUGUST 9, 2023

The tester established a baseline by selecting the most critical, common, or obvious path through the code selection. Steps to Performing Basis Path Testing The first step is to create a control flow graph for a specified code section. The second step is to select a baseline path through the code.

Testing 75

Testing Software Software C++ 75

Dynatrace

MAY 15, 2020

How to assess an environment’s security posture, risk and threat profile, and possible attack vectors, where perhaps you didn’t code the application or build the infrastructure, and where new code is deployed frequently, and the infrastructure is constantly changing? And this poses a significant risk. Showing a list of key processes.

Government 228

Government DevOps Infrastructure Network 228

Dynatrace

DECEMBER 10, 2020

Change starts by thoroughly evaluating whether the current architecture, tools, and processes for configuration, infrastructure, code delivery pipelines, testing, and monitoring enable improved customer experience faster and with high quality or not. Different teams have their own siloed monitoring solution.

Strategy 180

Strategy Performance Logistics Monitoring 180

O'Reilly

OCTOBER 19, 2021

If you peek under the hood of an ML-powered application, these days you will often find a repository of Python code. Let’s start by considering the job of a non-ML software engineer: writing traditional software deals with well-defined, narrowly-scoped inputs, which the engineer can exhaustively and cleanly model in the code.

DevOps 138

DevOps Software Engineering Infrastructure Open Source 138

The Netflix TechBlog

DECEMBER 23, 2020

In the kernel, you’ll often see capability checks spread throughout the code, which looks something like this: [link] Notice this function doesn’t check if the user is root, but if the task has the CAP_SYS_ADMIN capability before allowing it to execute. Let’s go back to that kernel code example earlier. User Namespaces.

Media 286

Media Metrics Systems Processing 286

Percona

AUGUST 30, 2023

If a PostgreSQL user wants to change these values, they need to recompile the PostgreSQL from the source code. This can be changed later using the pg_checksums utility, but that will be a painful exercise on a big database. Changing these values at compile time is not intended for common use.

Database 106

Database Servers Open Source Tuning 106

The Morning Paper

DECEMBER 8, 2019

On the last morning of the conference Daniel Bittman presented some of the work being done in the context of the Twizzler OS project to explore new programming models for NVM. The starting point is a set of three asumptions for an NVM-based programming model: Compared to traditional persistent media, NVM is fast.

Hardware 56

Hardware Programming Media Storage 56

Sutter's Mill

MAY 1, 2023

On the cppfront wiki, see the Design Note “operator=, this & that” for details. Examples like the following now work… see test file pure2-break-continue.cpp2 for more examples. outer: while i<M next i++ { // loop named "outer" //. inner: while j<N next j++ { // loop named "inner" //.

C++ 97

C++ Virtualization Lambda Code 97

Alex Russell

AUGUST 30, 2021

Anyone who cares to download and fork the code can do so. " The eventual Blink fork was precipitated by an insurmountable difficulty in doing precisely what Apple suggested to Congress: contributing code upstream to WebKit to enable new features. It's worth assessing these claims from most easily falsified to most contested.

Engineering 98

Engineering Open Source Website Operating System 98

Alex Russell

SEPTEMBER 20, 2020

"Appiness" is an illusion, an arbitrary line drawn to include programs built on some platforms but not others, and all of today's OSes allow multiple platforms to expose "real apps." Circa '07, those web apps were notably slower than native code could be. " Platforms, while plural, are not equal.

Hardware 64

Hardware Mobile Programming Java 64

John McCalpin

AUGUST 1, 2018

Bandwidth, performance analysis has two recurring themes: How fast should this code (or “simple” variations on this code) run on this hardware? MPI is a commonly used standard to implement message-passing programs on computer clusters. The source code to the library may not be available.

Hardware 40

Hardware Transportation Performance Latency 40

The Morning Paper

APRIL 16, 2019

In the core programming model, students provide implementations of Node subclasses which specify the behaviour of individual nodes in their distributed systems. We would like students to consider the performance characteristics of their systems, and our tests check that their designs attain reasonable run-time performance.

Systems 43

Systems Efficiency Testing Strategy 43

The Morning Paper

AUGUST 27, 2019

Unfortunately strong consistency is at odds with performance… On the other hand weak consistency models… put a tremendous burden on the application designer to reason about the complex interleavings of operations that are allowed by these weak consistency models. A decision procedure for invariant confluence. We’re not there yet!

Programming 59

Programming Processing Database Systems 59

O'Reilly Software

MARCH 7, 2018

Software today is not typically a single program—something that is executed by an operator or user, producing a result to that person—but rather a service : something that runs for the benefit of its consumers, a provider of value. The most common programming task in the world. Let’s dive into this concept for a bit.

Transportation 72

Transportation Java Programming Architecture 72

John McCalpin

JANUARY 22, 2018

Introduction: In December 2017, my colleague Damon McDougall (now at AMD) asked for help in porting the fused multiply-add example code from a Colfax report ( [link] ) to the Xeon Phi x200 (Knights Landing) processors here at TACC. Instead, we found puzzle after puzzle. Instead, we found puzzle after puzzle.

Latency 40

Latency Hardware Code Testing 40