From Ross Walker:
Updated benchmarks have been published for the AMBER GPU Code including Kepler K20 and K20X GPUs: K20 Benchmarks
Updates have been made to the recommended hardware for running GPU AMBER: Recommended GPU Hardware
From Ross Walker:
In response to feedback from a number of users we have worked with Exxact Corporation to design a series of machines termed AMBER MD Workstation and AMBER MD SimCluster that are optimized for both price and performance when running GPU accelerated AMBER Simulations. The following page provides details of recommended machine configurations and benchmarks. This includes opportunities for free test drives where you can try out your own simulations on these machines.
Recommended GPU Hardware & Test Drives page for more information.
From Ross Walker:
A major update to the GPU support (bugfix.9, GPU support revision 12.1, Aug 2012) has been released for AMBER 12. This patch includes a number of major improvements, bugfixes and refinements including:
i) Support for Kepler I (K10), Kepler II (K20) and GTX6XX GPUs
ii) New high performance, lower memory footprint hybrid fixed
precision model: SPFP
iii) Support for REMD using 1 GPU per replica.
iv) Various bugfixes for aMD and IPS simulations.
v) Tweaks to igb=5 GB model to bring it in line with
original paper and NAB implementation.
vi) Support for GPU accelerated NMR restraints.
vii) Improved serial performance.
viii) Reduced memory footprint.
ix) More comprehensive test suite.
x) Adds deterministic operation irrespective of GPU core count.
This bugfix will be automatically applied when $AMBERHOME/configure
is run. You should rebuild the GPU code in order to activate this update.
From Ross Walker:
NVIDIA have just announced the MD SimCluster Program. A collaboration between
AMBER developer Ross Walker and NVIDIA engineers to design a GPU accelerated
mini cluster optimized specifically for running GPU accelerated AMBER. These
machines are offered by NVIDIA's partners and come with AMBER pre-configured and
ready to run.
Try the Latest AMBER GPU Code on the Tesla MD SimCluster for Free
NVIDIA is collaborating with several system integrator partners to provide a trial program allowing people to gain remote access to the Tesla MD SimCluster, an 8 GPU computing system for free. This will allow you to see the exceptional performance offered by the latest version of GPU accelerated AMBER (GPU v2.2 [AMBER 11+ Bugfix 17]) and try it with your own simulations. All you need to do is load your models and start simulating.
Details of the MD SimCluster project along with instructions for signing up for a free trial are available by following this link or by email to mdsimcluster@nvidia.com
Additional information on recommended hardware for running AMBER on GPUs can also be found on the Main AMBER GPU webpage.
Thanks to funding from the NSF SI2-SSE program (NSF1047875 & NSF1047919) and close collaboration with NVIDIA a major performance update is released August 18th 2011 for the GPU accelerated PMEMD package. This update, released as bugfix 17, doubles performance across the board for PME calculations while also fixing a number of outstanding bugs. A single GTX580 now runs the JAC Production NVE benchmark at over 50ns/day.

Detailed benchmarks are available on the
AMBER GPU
Page. The update can be obtained from the Amber 11
bugfix page.
We are now distributing pre-built binaries for pmemd for Microsoft Windows.