Kakao Video games elevated FPS stability to 96% by means of Android Adaptability

Posted by Dohyun Kim, Developer Relations Engineer, Android Video games

Discovering the steadiness between graphics high quality and efficiency

Ares: Rise of Guardians is a mobile-to-PC sci-fi MMORPG developed by Second Dive, a sport studio primarily based in Korea recognized for its experience in creating motion RPG sequence and revealed by Kakao Games. Set in an enormous universe with an in depth, futuristic background, Ares is filled with thrilling gameplay and superbly rendered characters involving combatants carrying battle fits. Nevertheless, due to these richly detailed graphics, some customers’ gadgets struggled to deal with the gameplay with out affecting the efficiency.

For some customers, their gadget would overheat after only a few minutes of gameplay and enter a thermally throttled state. On this state, the CPU and GPU frequency are decreased, affecting the sport’s efficiency and inflicting the FPS to drop. Nevertheless, as quickly because the decreased FPS improved the thermal state of affairs, the FPS would enhance once more and the cycle would repeat. This FPS fluctuation would trigger the sport to really feel janky.

Regulate the efficiency in actual time with Android Adaptability

To unravel this drawback, Kakao Video games used Android Adaptability and Unity Adaptive Efficiency to enhance the efficiency and thermal administration of their sport.

Android Adaptability is a set of instruments and libraries to know and reply to altering efficiency, thermal, and person conditions in actual time. These embody the Android Dynamic Efficiency Framework’s thermal APIs, which offer details about the thermal state of a tool, and the PerformanceHint API, which assist Android select the optimum CPU working level and core placement. Each APIs work with the Unity Adaptive Performance package deal to assist builders optimize their video games.

Android Adaptability and Unity Adaptive Efficiency work collectively to regulate the graphics settings of your app or sport to match the capabilities of the person’s gadget. Because of this, it could actually enhance efficiency, cut back thermal throttling and energy consumption, and protect battery life.

Moving image of gameplay from Ares: Rise of Guardians


After integrating adaptive efficiency, Ares was higher in a position to handle its thermal state of affairs, which resulted in much less throttling. Because of this, customers have been in a position to get pleasure from the next body charge, and FPS stability elevated from 75% to 96%.

Within the charts under, the blue line signifies the thermal warning degree. The underside line (0.7) signifies no warning, the midline (0.8) is throttling imminent, and the higher line (0.9) is throttling. As you possibly can see within the first chart, earlier than implementing Android Adaptability, throttling occurred after about 16 minutes of gameplay. Within the second chart, you possibly can see that after integration, throttling didn’t happen till round 22 minutes.

Graph showing high graphic quality setting measuring thermal headroom against thermal warning level in frames-per-second

Graph showing enabled android adaptability measuring thermal headroom against thermal warning level in frames-per-second

Kakao Video games additionally needed to scale back gadget heating, which they knew wasn’t doable with a repeatedly excessive graphic high quality setting. The most effective observe is to progressively decrease the graphical constancy as gadget temperature will increase to keep up a relentless framerate and thermal equilibrium. So Kakao Video games created a six-step change sequence with Android Adaptability, providing steady FPS and decrease gadget temperatures. Automated modifications in constancy are mirrored within the in-game graphic high quality settings (decision, texture, shadow, impact, and many others.) within the settings menu. As a result of some customers need the very best graphic high quality even when their gadget can’t maintain efficiency at that degree, Kakao Video games gave them the choice to manually disable Unity Adaptive Efficiency.

Get began with Android Adaptability

Android Adaptability and Unity Adaptive Efficiency is now out there to all Android sport builders utilizing the Android supplier on most Android gadgets after API degree 30 (thermal) and 31 (efficiency Trace API). Builders are in a position to make use of the Android provider from the Adaptive Efficiency 5.0.0 model. The thermal APIs are built-in with Adaptive Efficiency to assist builders simply retrieve gadget thermal data and the efficiency Trace API is known as each Replace() mechanically with none extra work.

Learn the way Android Adaptability and Unity Adaptive Performance will help you stabilize your sport’s FPS and cut back thermal throttling.

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