I have a similar problem, my enviroment:
$ /usr/lib/nux/unity_support_test -p
OpenGL vendor string: X.Org
OpenGL renderer string: Gallium 0.4 on AMD TURKS
OpenGL version string: 3.0 Mesa 10.1.3
Not software rendered: yes
Not blacklisted: yes
GLX fbconfig: yes
GLX texture from pixmap: yes
GL npot or rect textures: yes
GL vertex program: yes
GL fragment program: yes
GL vertex buffer object: yes
GL framebuffer object: yes
GL version is 1.4+: yes
Unity 3D supported: yes
$ sudo lshw -C video -C cpu
*-cpu
description: CPU
product: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
vendor: Intel Corp.
physical id: 0
bus info: cpu@0
version: Intel(R) Core(TM) i7-3520M CPU @ 2.90GHz
serial: To Be Filled By O.E.M.
slot: U3E1
size: 1200MHz
capacity: 4GHz
width: 64 bits
clock: 100MHz
capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8
apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht
tm pbe syscall nx rdtscp constant_tsc arch_perfmon pebs bts rep_good nopl
xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl
vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt
tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm ida arat epb xsaveopt pln
pts dtherm tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms cpufreq
configuration: cores=2 enabledcores=2 threads=4
*-display
description: VGA compatible controller
product: Thames [Radeon HD 7550M/7570M/7650M]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:48 memory:c0000000-cfffffff memory:d4300000-d431ffff
ioport:4000(size=256) memory:d4340000-d435ffff
I'm using the opensource driver "radeon"
$ uname -a
Linux pyro 3.13.0-44-generic #73-Ubuntu SMP Tue Dec 16 00:22:43 UTC 2014 x86_64
x86_64 x86_64 GNU/Linux
$ dpkg -l unity compiz
[...]
ii compiz
1:0.9.11.3+14.04.20141104-0ubun all OpenGL window
and compositing manager
ii unity
7.2.3+14.04.20140826-0ubuntu1 amd64 Interface
designed for efficiency of space and interaction.
--
You received this bug notification because you are a member of compiz
packagers, which is subscribed to compiz in Ubuntu.
https://bugs.launchpad.net/bugs/1293384
Title:
Compiz CPU usage dramatically increased in Ubuntu 14.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/compiz/+bug/1293384/+subscriptions
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