Brendan Gregg

JULY 2, 2021

E.g., to see process execution with timestamps using execsnoop(8): # execsnoop-bpfcc -T. Low frequency events such as process execution should be negligible to capture. execsnoop New processes (via exec(2)) table. biolatency Disk I/O latency histogram heat map. runqlat CPU scheduler latency heat map.

Latency 145

Latency Cache Energy Systems 145

High Scalability

MARCH 1, 2019

It was made possible by using a low latency of 0.1 seconds, the lower the latency, the more responsive the robot. Euros have to internationalize IN ORDER TO scale, and most die in the process. They'll learn a lot and love you forever. They'll learn a lot and love you forever. GDPR makes this *worse*.

Internet 33

Internet Internet Scalability Blockchain 33

Brendan Gregg

JULY 2, 2021

While basic, I've solved many perf issues with this tool alone, including for misconfigured systems where a shell script is launching failing processes in a loop, and when some minor application is crashing and is restarting every few minutes but has not yet been noticed. ## 2. execsnoop New processes (via exec(2)) table 2. acpid [.]

Open Source 40

Open Source Latency Cache Energy 40

Scalegrid

FEBRUARY 8, 2024

Key Takeaways Distributed storage systems benefit organizations by enhancing data availability, fault tolerance, and system scalability, leading to cost savings from reduced hardware needs, energy consumption, and personnel. This process effectively duplicates essential parts of information to safeguard against potential loss.

Storage 130

Storage Systems Big Data Azure 130

The Morning Paper

MAY 28, 2019

Boosted race trees for low energy classification Tzimpragos et al., We don’t talk about energy as often as we probably should on this blog, but it’s certainly true that our data centres and various IT systems consume an awful lot of it. ASPLOS’19. Introducing race logic. Race logic encodes values by delaying signals.

Energy 52

Energy Hardware Efficiency Architecture 52

Adrian Cockcroft

APRIL 5, 2023

This proposal seeks to define a standard for real-time carbon and energy data as time-series data that would be accessed alongside and synchronized with the existing throughput, utilization and latency metrics that are provided for the components and applications in computing environments.

Energy 52

Energy Metrics Cloud Operating System 52

Speed Curve

MAY 1, 2023

According to the Chrome dev team : "INP is a metric that aims to represent a page's overall interaction latency by selecting one of the single longest interactions that occur when a user visits a page. INP logs the latency of all interactions throughout the entire page lifecycle.

Performance 98

Performance Metrics Media Google 98

John McCalpin

APRIL 2, 2020

Over time, the mechanisms introduced for reducing energy consumption (first in laptops) became available more broadly. This system also had significantly lower memory latency than many contemporary systems (which were still using front-side bus architectures and separate “NorthBridge” chips).

Benchmarking 59

Benchmarking Performance Latency Architecture 59

Rigor

OCTOBER 30, 2019

The Lighthouse Performance score is based on some of the most important performance metrics : First Contentful Paint, First Meaningful Paint, Speed Index, Time to Interactive, First CPU Idle, and Estimated Input Latency. Data granularity becomes more important as your development processes mature.

Google 51

Google Best Practices Energy Website 51

HammerDB

OCTOBER 18, 2019

cpupower frequency-info analyzing CPU 0: driver: intel_pstate CPUs which run at the same hardware frequency: 0 CPUs which need to have their frequency coordinated by software: 0 maximum transition latency: Cannot determine or is not supported. Benchmark on a Parallel Processing Monster! hardware limits: 1000 MHz - 4.00

Benchmarking 63

Benchmarking Performance Hardware C++ 63

Alex Russell

APRIL 29, 2021

For heavily latency-sensitive use-cases like WebXR, this is a critical component in delivering a good experience. Helps media apps on the web save battery when doing video processing. Coordination APIs allow applications to save memory and processing power (albeit, most often in desktop and tablet form-factors).

Media 145

Media Games Education Engineering 145

Alex Russell

JUNE 20, 2020

After all, those are properties that browsers compete on, benefiting users in the process. Rendering text is important (think login screens), but there's no product without low-latency, adaptive codecs, networking, and camera/microphone access. You're usually better off tackling latency with aggressive performance budgeting. ??.

Hardware 55

Hardware Games Java Media 55

The Morning Paper

NOVEMBER 15, 2020

So before matching, the IDS/IPS has to reconstruct a TCP bytestream in the face of packet fragmentation, loss, and out-of-order delivery – a process known as reassembly. This makes the whole system latency sensitive. FPGAs are chosen because they are both energy efficient and available on SmartNICs).

Servers 128

Servers Hardware Latency Design 128