UnixBench has been around for a long time now, and 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.
Now we are seeing that the E3-1276 v3 in the P300 come very close to other systems we have tested. This is starting to look very good for the P300.
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=8 on the P300.
When SPEC CPU first came out, these tests could take up to a week to run, but as computers 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, such as utilizing compiler optimizations, add-ons like Smartheap, and different commands used in 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 lots of those to run, 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 E3-1276 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 E3-1276 v3. Naturally, using an overclocked system or CPUs with a higher stock speed will generate higher results.
Now we run the test using all eight threads of the Intel Xeon E3-1276 v3 to measure the throughput of the system. In this test, more cores/threads will have a greater effect on the outcome.
Just as we did with the integer tests, we now run the floating-point tests in single (speed) mode. We do see a strong advantage in using Haswell E3-1276 v3 in this test.
Here, we see the results of the multi-threaded floating-point run that uses all eight threads of the Intel Xeon E3-1276 v3. Like the multi-threaded integer test, more cores/threads will have a greater impact on the test. Just the single-threaded FP runs see a strong advantage when using Haswell E3-1276 v3 in this test.
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- Page 1 [Introduction and Packaging]
- Page 2 [Specifications and Layout]
- Page 3 [BIOS and Bundled Software]
- Page 4 [Test System Setup]
- Page 5 [System and CPU Benchmarks]
- Page 6 [Memory Benchmarks]
- Page 7 [System Benchmarks]
- Page 8 [UnixBench 5.1.3 and SPEC CPU2006v1.2]
- Page 9 [Power Consumption and Final Thoughts]
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