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

Brendan Gregg

DECEMBER 21, 2019

For my AWS re:Invent talk on BPF Performance Analysis at Netflix, I began with a demo of "BPF superpowers" (aka eBPF). Embedded C. # # Tone generation from: [link] # # 29-Apr-2019 Brendan Gregg Created this. My [BPF Performance Tools] book has plenty of examples. usr/bin/python # # iwlstrength.py You can check it out [here].

C++ 52

C++ Education Java AWS 52

Percona

AUGUST 30, 2023

This can be changed later using the pg_checksums utility, but that will be a painful exercise on a big database. cat /usr/lib/systemd/system/postgresql-14.service. That is where all “ALTER SYSTEM SET/RESET” commands keep the information. But another database might be an OLAP system. Type "help" for help.

Database 105

Database Servers Open Source Tuning 105

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. Assertions are only about finding bugs, not doing program work.

C++ 58

C++ Programming Code Testing 58

The Agile Manager

MAY 31, 2021

Additional or more comprehensive capabilities that come standard with a new COTS product; lower labor intensity and less dependency on costly knowledge workers required to sustain legacy assets; and reducing systemic fragility (e.g., But many a C-level exec has been fired for cost overruns on utility investments.

C++ 52

C++ Efficiency Systems Technology 52

Sutter's Mill

JANUARY 25, 2021

Example 1(a)’s min <= max is at this other end of the scale: It’s so dirt cheap to check that it’s unlikely we’ll ever have a performance reason to disable it. [2] If you develop your own assertion system for in-house use, support enabling/disabling at least these kinds of assertions independently. [1] Dos Reis, J. Meredith, N.

C++ 45

C++ Programming Cache Testing 45

O'Reilly

DECEMBER 12, 2023

This ruling in itself raises many questions: how much creativity is needed, and is that the same kind of creativity that an artist exercises with a paintbrush? Given a search string, it’s simple for Google to perform the search, take the top few results, and then send them to a language model for summarization. We have provenance.

Artificial Intelligence 101

Artificial Intelligence Media Google Processing 101

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

SQL Performance

JUNE 10, 2020

Unlike the conceptual treatment of the data which is based on a mathematical model and a standard language, and hence is very similar in the various relational database management systems out there, the physical treatment of the data is not based on any standard, and hence tends to be very platform-specific. custid = C. custid , C.

C++ 109

C++ Database Servers Code 109

The Agile Manager

AUGUST 31, 2021

If we accept the fact that Agile is a value system and not a set of mechanical processes, it stands to reason that there must be something different about the norms and behaviors of Agile managers vis-a-vis traditional managers. One person who does a substandard job affects the performance of the entire team.

Metrics 52

Metrics Design Engineering C++ 52

The Morning Paper

DECEMBER 8, 2019

At the start of November I was privileged to attend HPTS (the High Performance Transaction Systems) conference in Asilomar. Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. PLOS’19.

Hardware 56

Hardware Programming Media Storage 56

SQL Performance

JUNE 10, 2020

Unlike the conceptual treatment of the data which is based on a mathematical model and a standard language, and hence is very similar in the various relational database management systems out there, the physical treatment of the data is not based on any standard, and hence tends to be very platform-specific. custid = C. custid , C.

C++ 93

C++ Database Servers Code 93

HammerDB

JANUARY 5, 2019

For example the following chart (with the actual data removed for the reasons described further in this post) shows the HammerDB TPC-C workload run against the same database on different processing architectures (grouped by colour) and speed with the most recent at the top. Shareability.

Benchmarking 40

Benchmarking Database Social Media Scalability 40

SQL Performance

SEPTEMBER 25, 2020

Here’s the only item I’ve found that made it to the new feedback system.). a AS /* comment here because -- chaos */ int = 5 , @b AS varchar ( 64 ) = 'AS = /* BEGIN @a, int = 7 */ ' 'blat' '' , @c AS int = -- 12. We have the object and schema name together without having to perform any additional iteration or concatenation.

Code 42

Code C++ Database Servers 42

John McCalpin

JANUARY 22, 2018

There was no deep goal — just a desire to see the maximum GFLOPS in action. The exercise seemed simple enough — just fix one item in the Colfax code and we should be finished. For 64-bit floating-point data, the 512-bit Fused Multiply-Add (FMA) instructions performs 16 floating-point operations (8 adds and 8 multiplies).

Latency 40

Latency Hardware Code Testing 40

The Agile Manager

APRIL 26, 2010

A leaned-out IT organization capitalizing a significant proportion of its discretionary spend is highly susceptible to a perfect storm of (a) SG&A contraction, (b) IT project write-off, and (c) suspended IT investments. and the IT context (how do all these systems actually work together?) Consider the following scenario.

Government 49

Government Efficiency C++ Software 49

All Things Distributed

NOVEMBER 15, 2010

Werner Vogels weblog on building scalable and robust distributed systems. This incredible power is available for anyone to use in the usual pay-as-you-go model, removing the investment barrier that has kept many organizations from adopting GPUs for their workloads even though they knew there would be significant performance benefit.

AWS 136

AWS Latency Programming Architecture 136