Temperature reading on intel power gadget
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So when under load the cpu would quarter it’s speed! When I had enough work to keep all cores busy (let’s say 4 times the normal work) everything slowed down, but there was still 4 times as much work. An interesting temporary solution – use fewer cores = faster machine. As soon as there was not much to do the CPU would bounce back up to 2 GHz and occasionally higher and into 3GHz territory, but usually below 2.6 and nearer 2. So I concluded that when there was a lot of load on the processor and all cores were active etc the clock frequency was cut to stop the machine from overheating. In fact my cpu would be between 1.0 and 0.8 GHz! The temperature of the CPU also shown stayed at a constant 75 degrees C. When the CPU load went up in activity monitor the cpu frequency went down. My Mac was hot to touch and I started to wonder if it was down clocking the cpu, I came across the Intel Power Gadget which shows you the actual clock speed of your processor on a graph.
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When I switched build platforms Unity took over an hour to convert files! Identifying the real issue – heat & under clockingĪfter a few more days I was still not happy and had been running with task manager and the Mac activity monitor visible frequently the machine would crawl, creating builds was beginning to take 10’s of minutes. All up to date and windows was at least working more responsively now, although not great. After that Windows update found a load of other updates which I installed. On the start screen I had no power or search icons in the top right but KB2919355 was failing so I downloaded the update manually and ran it which actually worked. It turned out to be part of Windows 8.1 so despite windows reporting that 8.1 was installed it wasn’t completely. After a lot of searching and failed attempts to find the culprit I did improve this slightly (I think) after discovering that one microsoft update kept failing to install. So my first attack at speeding things up was task manager, somehow the CPU would hit 100% with just the editor open and visual studio but doing nothing. Let me know if you have the same issue or not! Anyway it’s lovely to be back in visual studio and debugging in it works. Recently I’ve switched to doing most of my developing inside the virtual machine using UnityVS as for some reason since upgrading to Mavericks 90% of the time I try to debug something in unity with monodevelop on the Mac it crashes. Something needed to be done or I needed a new machine! Over the last few months I started to notice that things were becoming less responsive in my dev environment, that’s an understatement, it was beginning to crawl. The following article details how, under load, my MacBook (Pro Retina Mid 2012 2.6GHz Intel i7 with 16Gb) was less than 1/4 of the speed it used to be and how I fixed it.