AIDA64 memory bandwidth benchmarks (Memory Read, Memory Write, and Memory Copy) measure the maximum achievable memory data transfer bandwidth.
Memory bandwidth for the X99-E WS is looking very good. These numbers are about half of what a dual CPU system would get, so it does show good bandwidth with this setup.
Intel Optimized LINPACK Benchmark is a generalization of the LINPACK 1000 benchmark. It solves a dense (real*8) system of linear equations (Ax=b), measures the amount of time it takes to factor and solve the system, converts that time into a performance rate, and tests the results for accuracy.
Linpack is a measure of a computer's floating-point rate of execution ability, measured in GFLOPS (Floating-point Operations per Second); ten-billion FLOPS is equal to ten GFLOPS.
Linpack is a very heavy compute application that can take advantage of the new AVX2 instruction. Since it puts a very high load on the system, it is also a good stress test program.
Linpack shows strong bandwidth numbers, and is comparable to other motherboards we have tested. These results are almost double the speed of our Ivy Bridge tests, and show just how well the new Haswell platforms perform. These speeds, coupled with fast DDR4, should give a real boost to application performance.
PCMark 8 is the latest version in the series of PC benchmarking tools by Futuremark. It is fully compatible with Windows 8, and can be run under Windows 7.
Our PCMark 8 tests were completed on a basic system; we used only one NVIDIA Quadro K5000 here. Using more video cards would increase this score a great deal, so this is only for reference.
SPECwpc_v1.0.2 is a workstation benchmark that measures key aspects of workstation applications.
These tests do put a huge load on the system and take approximately eight hours to run on this system. SPECwpc puts a heavy load on the GPU.
Even small increases in scores show a big improvement in performance. Certain parts of this test rely on storage, so using setups with SSDs and RAID 0 would increase those scores.
Geekbench - Stream
Geekbench 3 is Primate Labs' cross-platform processor benchmark with a new scoring system that separates single-core and multi-core performance, and new workloads that simulate real-world scenarios. It also includes STREAM based memory tests, which we will include in our reviews.
According to Primate Labs', the STREAM memory tests perform the following functions:
?STREAM copy: The STREAM copy workload tests how fast your computer can copy large amounts of data in memory. It executes a value-by-value copy of a large list of floating point numbers.
?STREAM scale: This workload is similar to STREAM copy, but each value is multiplied by a constant during the copy.
?STREAM add: The STREAM add workload reads two large lists of floating point numbers value-by-value, adds corresponding values, and stores the result in a third list.
?STREAM triad: This workload combines STREAM add and STREAM scale. It reads two lists of floating point numbers value-by-value, multiplies one of the numbers by a constant, adds the result to the other number, and writes that result to a third list.
Here we are looking at the single-core STREAM memory tests. Bandwidth is about where it would be expected for single core applications.
Now we are looking at multi-core STREAM tests. The speeds we are seeing are a little faster than advertised bandwidths for our Crucial Memory kits, which shows these new X99 platforms from ASUS can squeeze out fast memory bandwidth.
Passmark - PerformanceTest 8 - Memory
We will also start using Passmark Performance Memory tests on our reviews.
Acording to Passmark:
This memory test suite contains a number of tests that exercise the memory sub-system of the computer (RAM). All tests use a combination of 32-bit and 64-bit data when reading or writing from or to RAM.
Memory - Allocate Small Block:
This test measures the time taken to allocate and free small zeroed memory blocks (around 100KB block size).
Memory - Cached:
This test measures the time taken to read a small block of memory. The block is small enough to be held entirely in cache (if one is present).
Memory - UnCached:
This test measures the time taken to read a large block of memory. The block is too large to be held in cache.
Memory - Write:
This test measures the time taken to write information into memory.
Just like in Geekbench STREAM Memory tests, we see very good speeds in our tests with Passmark 8.
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