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Lenovo ThinkStation P900 Workstation Review

By: William Harmon | Servers in IT/Datacenter | Posted: Mar 19, 2015 8:09 pm
TweakTown Rating: 98%Manufacturer: Lenovo



UnixBench has been around for a long time now, and it is a good general-purpose bench to test on Linux-based systems.


This is a system benchmark, and it shows the performance of single-threaded and multi-threaded tasks.




This shows the system indexes after a complete UnixBench run. Here we get an idea of how much performance gain we get using multi-threaded applications. However, many applications use single-threaded, so this number is really the base, and a higher clock speed will increase both indexes.


SPEC CPU2006v1.2


SPEC CPU2006v1.2 measures compute intensive performance across the system using realistic benchmarks to rate real performance.


In our testing with SPEC CPU2006, we use the following basic commands to run these tests:

Runspec --tune=base --config=tweaktown.cfg then int or fp

To do multi-threaded, we add in --rate=40 on the P900.


When SPEC CPU first came out, these tests could take up to a week to run, but since computers have become faster, our tests now take up to four days for a full run.


The user can do many things to effect the results of CPU2006 runs, including compiler optimizations, add-ons like Smartheap, and different commands used to start the tests.




Here, you can see the SPEC scores after full runs for Integer (int) and Floating Point (fp) tests.

Single-core runs show how fast (speed) a CPU can perform a given task. In the multi-core runs, we set SPEC CPU2006v1.2 to use all threads, and this is a measure of the throughput of the system.


The additional core/threads of this system have a huge impact on performance in these tests and really show the amount of horsepower that a dual-socket system has over a single-socket board


Single-threaded results are still very important, but when you need to run lots of those, moving to a dual-socket setup is the way to go.




By looking at the results of single-threaded integer runs, we can get an idea of the speed at which the Intel Xeon E5-2687w v3 can crunch through the different integer tests. Not all CPUs are equal here, and ones that have a higher speed will perform these tests faster. In this case, this is the stock speed of the Intel Xeon E5-2687w v3. Naturally, using an overclocked system or CPUs with a higher stock speed will generate higher results.




Now we run the test using all 40 threads of the Intel Xeon E5-2687w v3 to measure the throughput of the system. In this test, more cores/threads will have a greater effect on the outcome.




Just like the integer tests, we now run the floating-point tests in single (speed) mode. We do see a strong advantage to using the Intel Xeon E5-2687w v3 processors in this test.




Here, we see the results of the multi-threaded, floating-point run that uses all 40 threads of the Intel Xeon E5-2687w v3 processors. Like the multi-threaded integer test, more cores/threads will have a greater impact on the test.


In the single-threaded FP runs we see a strong advantage to using Intel Xeon E5-2687w v3 processors in this test.

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