Gary Sims(655 posts)

Gary has been a tech writer for over a decade and specializes in open source systems. He has a Bachelor's degree in Business Information Systems. He has many years of experience in system design and development as well as system administration, system security and networking protocols. He also knows several programming languages, as he was previously a software engineer for 10 years.




All posts by Gary Sims
Most Recent
 

What is CPU frequency scaling?

by: Gary Sims8 hours ago
There is a feature in Android (via the Linux kernel) which allows the clock frequency of the CPU to be varied. What is it and how does it work?
3
 
post image

Qualcomm releases Snapdragon Wear 2100 to enhance the wearable experience

by: Gary SimsFebruary 11, 2016
Following the success of the Snapdragon 400 in Android Wear devices, Qualcomm has decided to start making wearable specific chips. The first is the Snapdragon Wear 2100.
14
 

In-depth look: Just how good are the Cortex-A72 and Mali T880 in the Kirin 950?

by: Gary SimsFebruary 5, 2016
One of the key CPU core designs for 2016 (and beyond) is the Cortex-A72, and we are now starting to see the first smartphones with SoCs using the Cortex-A72. One of the first is the Huawei Mate 8 with its Kirin 950 processor. Read on to find out about its performance levels.
7
 

Qualcomm Quick Charge vs Oppo VOOC vs MediaTek PumpExpress+ vs Motorola TurboPower vs the others

by: Gary SimsFebruary 4, 2016
Which is the best fast charging system for smartphones? I compare QC 2.0, VOOC, PumpExpress+, TurboPower, Smartpower and Adaptive Fast Charging.
16
 
post image

Jide releases some of the Remix OS source code, attempts GPL compliance

by: Gary SimsJanuary 21, 2016
Jide wasn't respecting its obligations to release the source code for some of the open source projects it was using, however it is now making amends.
4
 

Raspberry Pi Zero review

by: Gary SimsJanuary 18, 2016
The new Raspberry Pi Zero is small, elegant and cheap. For $5 you get a computer on a circuit board that can run Linux, has 512MB of RAM and a VideoCore IV GPU.
7
 
post image

I want to develop Android Apps – What languages should I learn?

by: Gary SimsJanuary 18, 2016
Developing Android apps can be rewarding, both personally and financially. Assuming you have a certain level of technical knowledge then it is possible to develop Android apps yourself. But what programming languages do you need to learn?
43
 
post image

Top Android performance problems faced by app developers

by: Gary SimsJanuary 8, 2016
To help you write faster, more efficient Android apps, here is our list of the top 4 Android performance problems faced by app developers.
5
 

Custom cores versus ARM cores, what is it all about?

by: Gary SimsJanuary 7, 2016
You have probably come across the term "custom core." So what is a custom core? Why do people make such a fuss about them? And, who designs them? Let's find out.
19
 
post image

ARM bringing Energy-Aware Scheduling to Android

by: Gary SimsDecember 31, 2015
The EAS project is trying to solve a design limitation of two Linux power-management subsystems - they don’t coordinate their decisions with the scheduler.
5
1 2 3 66
Features
 
Andy-Android-2
 
Android 6.0 marshmallow logo DSC_0126
 
DataEncryptionLocked
 
mate7vsmate8
 
brokenwelcomescreenN7
 
nexus 6p vs iphone 6s plus aa (12 of 26)
 
moto 360 2nd gen review aa (4 of 27)
 
The Note 5 has physical keys, while the LG V10 uses on-screen
 
tylt-vu-pulse-3
 
Android Apps Weekly
 
sony xperia z5 & z5 compact & Z5 premium aa 18
 
iPhone-6S-Mate-S-Note-5-Fingerprint-Scanner-AA-(7-of-7)
 
Kirin-950-video-thumb
 
QC vs VOOC video thumb
 
chromecast audio review aa (6 of 7)

Recent Reviews
 
GalaxyA9_thumbnail
9.0
Samsung Galaxy A9 review
 
lg g4 now aa (1 of 23)
Looking back at the LG G4
 
samsung-galaxy-s6-review-aa-44-of-45
Looking back at the Samsung Galaxy S6
 
mate8-6p-thumb
Huawei Mate 8 vs Nexus 6P
SUNDAY GIVEAWAY
 
nexus 6p
Nexus 6P International Giveaway!
The Best
 
Best Android phones (February 2016)