We have upgraded our power testing equipment, and now use a Yokogawa WT310 power meter for testing. The Yokogawa WT310 feeds its data through a USB cable to another machine where we can capture the test results.
To test total system power use, we used AIDA64 Stability test to load the CPU, and then recorded the results. We also now add in the power use for a server from off state to hitting the power button to turn it on, and taking it all the way to the desktop. This gives us data on power consumption during the boot up process.
Power use on the new platform is also very good. Idle power use is below 100watts, which is outstanding for a dual-socket system. Peak power load reaches ~425watts, which is also very good.
Factors that affect this test include the amount of RAM installed, and the number of onboard options such as storage controllers, or network adapters. Per Core P-States (PCPS) allows cores to run at individual frequency/voltages. Energy efficient turbo mode (EET) monitors stall behavior and increases throughput. With Haswell-EP, each core and uncore, are now treated independently. Core bound applications can drive frequency higher without needing to increase uncore. LLC/Memory bound applications can drive frequency higher without burning core power. We can see the effects of PCP with the lower power draw of the system.
Booting a system up can cause a power surge if many servers start up at the same time. With the system off, we measured only ~4.5watts to keep IPMI active. When the system entered the boot process, power spikes to ~200watts, with a bump to ~225watts. After boot up has completed, the system settles down to sub 100watt levels.
This our first Intel Haswell-EP motherboard review, and we can say without a doubt that that this new platform has performance written all over it. The ASRock EP2C612D16FM nails this with a top performing motherboard, which loads it up with a large amount of storage features.
We are going to start seeing plenty of new Haswell-EP platforms in the test lab; this one was our first, and it knocked our socks off. There is so much computational power with these new processors and DDR4, that it makes upgrading a no brainer.
There are large amounts of storage and fast network options right on board now, which will handle basic system needs, and then some. We expect these systems with E5-2699 v3 18 core processors to be even more powerful.
In the data centers, systems like these can replace a number of pre-existing systems, which lowers costs even further from power use, and makes administration that much easier. Processors with more cores and new DDR4 with larger capacity memory sticks will work hand in hand with highly utilized VM systems. The new Haswell-EP architecture will take VM performance to the next level, and will be the next wave of data center systems.
Systems based on the new ASRock EP2C612D16FM are smaller, use less power, are higher performing than previous gen systems, and are set to take on the expanding needs for VMs and storage issues in the modern data center. Per Core P-States (PCPS) have also helped to reduce power usage on these new systems, which helps reduce running costs.
The EP2C612D16FM has easy to use BIOS, and offers many new features, but what is missing on the board is Cluster on Die (COD), which is located in the QPI settings. Not all motherboards need this feature, but this would help to increase performance, reduce latency, and improve performance by better application placement in a VM environment. COD is best used for highly NUMA (Non-uniform memory access) optimized workloads.
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