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Articles Tagged:

performance

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[Rumor] Google Taking Renewed Focus On Battery And RAM In Android M, Dev Preview Expected Again This Year

Photo credit: Jamie Pearson (CC BY 2.0)

As we all know, Google I/O is right around the corner. So far this year, we haven't seen too many early clues as to what Google will cover in its keynote (though Ars Technica's I/O tracker is a great place to get some ideas) outside of its new Photos app, but we do expect that Google will be telling us about Android M (internally called macadamia nut cookie or MNC).

The specifics of what Android M will bring to the table are still a mystery, but we've heard a few things that could make this an exciting update.

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Google Removes Artificial 300 Millisecond Tap Delay On Mobile-Optimized Sites In Chrome 32 Beta

Did you know that the web browser on your phone or tablet waits three tenths of a second after you tap something to actually perform that action? You did if you're a web developer - it's a de-facto standard for mobile browsers, a built-in delay for the double-tap zoom function. But if you're on the newest Chrome beta, you won't see the delay, at least on mobile sites.

Why is this? According to Jake Archibald of HTML5 Rocks (a promotional and instructional project page from Google), it's because this delay is unnecessary if you're browsing on a page that's already optimized for mobile viewing.

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Samsung Allegedly Boosting Galaxy S4 Benchmarks By Selectively Changing CPU/GPU Performance In Certain Apps [Updated]

Update: Samsung has posted an official response to yesterday's benchmark kerfuffle, explaining that the maximum frequency for the S4 is actually 533MHz, but that it is actually scaled down for "certain gaming apps that may cause an overload". The maximum frequency, according to the statement, is also attainable in "apps that are usually used in full-screen mode" like the gallery, S Browser, etc. This may not fully explain the explicit mention of certain benchmark apps in TwDVFSApp, but it is at least nice to see an official response to the situation.

Here's the full statement:

Under ordinary conditions, the GALAXY S4 has been designed to allow a maximum GPU frequency of 533MHz.

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Futuremark Bringing PCMark Benchmark App To Android, iOS, And Windows Phone

Hardware enthusiasts are probably already aware of Futuremark and its PCMark software, a standard for testing and comparing computer hardware for years. PCMark is popular among reviewers and users for its comparison of hardware on standards that are more likely to reflect real-world, typical usage. Today Futuremark announced that it's bringing the software to the "Big three" mobile operating systems, Android, iOS, and Windows Phone. Futuremark's press release did not include a date.

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Windows screenshot taken by Hardware Heaven

PCMark is designed for typical usage scenarios, unlike the more gaming and performance-focused PowerMark and 3DMark (which already has an Android version).

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ARM Announces Cortex-A50 Series – 64-Bit Processors 'Set To Drive The Next Era In Mobile And Enterprise'

At ARM TechCon today, the titular purveyor of semiconductors announced its Cortex-A50 series, dubbed "the world's most energy-efficient 64-bit processors." Based on the ARMv8 architecture, the line will launch with the Cortex-A53 and A57 processors, allowing not only for significantly more energy-efficient processing, but SoC scalability that makes the line applicable to devices from smartphones to high-performance servers. The A57 is geared toward high-performance, while the A53 is lauded by ARM as its most power-efficient. Both chips also support 32-bit and 64-bit ARM code, and according to ARM, the A53 can live up to the performance of the Cortex A9 at 60% the die area.

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[New App] Chainfire's 'PerfMon' Is A Floating Performance Monitor With A Unique CPU Metric

We all know how useful floating apps can be, so an always-on-top performance monitor makes perfect sense for power users and developers. One such project just hit the Play Store from developer Chainfire, who has already brought us several other useful tools, like CFBench, SuperSU, and FAAPT.

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Simply called Perfmon, this is a floating application that can output certain metrics for monitoring purposes: foreground app, CPU, disk I/O, and network I/O. What makes this app unique, however is its CPU metric called CPU capacity usage. According to Chainfire, it "will take the CPU usage and scale it to what it would be if all cores were running at full capacity."

For example: if you have a 1.6ghz quad-core running a light app, it could be using 10% CPU with only one of the four cores active, and that core running at 200mhz.

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Google Currents Updated To Version 1.5.1, Now Features Improved UI, Enhanced Performance, And More

Google Currents has always been a pretty impressive app - arguably the best Android news aggregator around town. Especially praised has been its beautiful UI; however, that didn't stop Google from looking at what it had and making it even better.

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Indeed, the app just hit version 1.5.1, and the UI has been updated to "Android standards." Notably, the top navigation bar now features "auto hide" and "touch-to-show" controls, and it includes the library/trending toggle that was previously located elsewhere. Additionally, Google has enhanced the app's performance and made the usual bug fixes.

If you have already have Currents, you can download the update from the Play Store now; if for some reason you don't have it installed yet, all the info you need is below.

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Facebook For Android Updated To 1.9.4 With Performance Improvements And Bug Fixes

Facebook's Android team pushed out an incremental update v1.9.4 today with "improved performance and various bug fixes." Just what those improvements and bug fixes are will remain a mystery - the only useful part of such changelogs is we know what they didn't do in this release.

So, what did those who updated think of increased performance?

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Business as usual then - got it.

Facebook on my Epic Touch has never seemed particularly slow UI-wise, but pulling data takes uncomfortably long even on Wi-Fi. If the Facebook app ever got to Spotify's level of fast, I'm sure its rating would start quickly rising from the measly 3.6.

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[For Developers] ADT 20/SDK Tools r20 Previews Are Here - Brand New Property Editor(!), NDK Support, Performance Improvements, Bug Fixes Galore

As an Android developer, I like to keep tabs on the tools I use every day, especially ones as important as ADT for Eclipse and SDK Tools. As was the case several times before, the Android team in charge of both of them posted previews of upcoming releases of ADT 20 and SDK Tools r20, available for manual download ahead of the final releases.

Yup, you heard me correctly - 20, not 18 or 19. Even though the previous major release was 17, 18 followed up shortly after with some minor changes, and 19, even more minor, wasn't even posted to the downloads page (see here for the reason).

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Dolphin Browser HD Updated To Version 8.0, Brings A Redesigned Menu Bar, Add-On Sidebar, And Better Performance

Dolphin Browser has always been one of the better browser alternatives on Android, and with version 8.0, it's about to get a bit better. In addition to a nice even version number, the update adds a menu bar along the bottom of the browser, an improved Add-on sidebar that's not confusing to look at, and a shiny new Dolphin button for easy access to the Dolphin Sonar and Gesture features.

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The new menu bar is more than a little reminiscent of Android's Action Bar, however this one is still only triggered when you press the menu button, so it's not quite as handy.

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