Finally, after all these pre-releases of RMMA 3.4x benchmark, being mostly upgrades of the SysInfo component due to the appearance of new processors and chipsets, time has come for a major release of our universal benchmark. An occasion for this release appeared when a stand-alone utility RightMark Memory Stability Test (RMMS) was integrated into the final version of the test suite. We have been using beta versions of this utility for a long time to test operating stability of memory modules with overclocked timings from the leading manufacturers. This article will be devoted to the review of this utility.
RightMark Memory Stability Test
RMMS utility is included into the new RMMA 3.5 benchmark as a stand-alone application, which does not require any other RMMA components (such as SysInfo.dll) due to a cardinally different approach to memory stability testing. The key difference of this test from many other built-in RMMA tests, including the old RAM Stability Test, lies in using maximum available memory, while the memory block allocated for RMMA tests is just 32 MB (of course, nothing stops users from using a different memory block size in RMMS — down to 32 MB, however the efficiency of the new test may drop considerably in this case).
This utility was developed with a special purpose in mind — to test stability of efficient memory modules solely in case of overclocked frequency and/or timings of the memory system. Our tests demonstrated that this utility is not so effective in professional tests used to detect hardware defects in memory modules. We recommend other utilities for this purpose, a beta version of our RAMTester in particular, which is available at http://cpu.rightmark.org/download/mem20041217.rar.
Let's have a look at the main (and only) window of the test, which opens when you start the application, to be more exact — the functions of its elements.
Virtual Memory Map
This part of the window displays a conventional map of virtual memory that corresponds to the allocated block of physical memory. The total number of map blocks equals to the total capacity of physical memory, divided by the block scale (specified in the Legend). The number of involved blocks is proportional to the block size, allocated for testing in physical memory (it's free physical memory size by default).
Information on physical memory status:
Information on the progress of a test:
Here are the test settings, which you may modify before you start the test:
Conventional signs on the virtual memory map.
This button starts the test (when a test is already running, this button changes to Stop Test and allows to stop the process at any moment).
Information about the program and its developers.
To quit the program (if a test is running, it will be cancelled).
That's how the running test may look like.
We hope that RightMark Memory Stability Test, reviewed in this little article, will be useful not only in our tests, but also to all interested users, who want to squeeze maximum performance from their computers, from the memory system in particular - by overclocking its bus and/or timings.
Dmitri Besedin (firstname.lastname@example.org)
May 13, 2005.
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