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Category: E-Book
Cloud-Based Benchmarking of Medical Image Analysis

Cloud-Based Benchmarking of Medical Image Analysis By Allan Hanbury, Henning M├╝ller, Georg Langs
English | PDF | 2017 | 256 Pages | ISBN : 3319496425 | 10.18 MB
This book presents the VISCERAL project benchmarks for analysis and retrieval of 3D medical images (CT and MRI) on a large scale, which used an innovative cloud-based evaluation approach where the image data were stored centrally on a cloud infrastructure and participants placed their programs in virtual machines on the cloud.
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Category: Other

iolo technologies recently released System Mechanic v16.5. Version 16.5 has been re-written from the ground up, with every feature in the product re-engineered for improved functionality and performance. It includes new optimization features for Windows 10, designed to increase privacy and reduce internet bandwidth demands. The results of iolo Labs comprehensive and reproducible benchmark testing show computer performance improvement using iolo's System Mechanic software.


- Install commonly used programs (41) and browser add-ons (6) to replicate an in-use PC, in a manner that is reproducible and produces consistent results.

- Collect performance metrics on the reproduction of an in-use PC before applying System Mechanic

- Collect performance metrics on the reproduction of an in-use PC after optimizing with System Mechanic

- Run each test 5 times before and 5 times after System Mechanic installation, remove the highest and lowest scores, and then average the remaining 3 to calculate final scores.

- Report improvements after PCs have been optimized

Windows Startup Time

Windows' Event Viewer was used to record boot-up times. Key Findings:

- Optimizing the PCs with System Mechanic has a dramatic positive impact on the time to boot a Windows PC

- For example, the Windows 10 Desktop took 148.4 seconds to boot, but after running System Mechanic the PC was up and running in 48.2 seconds - over 200% faster

- The total aggregate score (across all PCs) for Startup Time was: 89.77% improved

Internet Speed

4 popular download speed test websites were used to evaluate the performance improvement on a system optimized with System Mechanic. A common browser was used to separately visit each site and run their speed measurement tests. Key Findings:

- Internet download speeds increased considerably across all devices

- Each PC saw at least 14%+ improvements

- 3 of 4 PCs realized over 20% faster downloads

- The total aggregate score (across all PCs) for Internet Speed was: 39.25% improved

CPU Performance

Benchmarking tools NovaBench, PerformanceTest, and GeekBench include CPU stress tests in which they perform tasks such as compression, encryption, floating point arithmetic, integer arithmetic, and MD5 Hashing. Key Findings:

- The Desktop, with an 8-core processor, realized modest 3.6% gains

- The PCs with 2-4 cores had improvements near 30%

- The total aggregate score (across all PCs) for CPU Performance was: 17.25% improved

RAM Performance

NovaBench and PerformanceTest offer RAM benchmarking evaluations in which they measure latency, and read and write speed to system memory. Key Findings:

- The Desktop with the most RAM (16GB) realized the least benefit, but was still improved by 4.5%

- The PCs with 2-4GB of memory had sizable increases in RAM performance directly related to optimizations made by System Mechanic

- The total aggregate score (across all PCs) for RAM Performance was: 8.73% improved

GPU Performance

Heaven, NovaBench and PerformanceTest were aggregated for each platform tested. Heaven scores the system in Frames-Per-Second, a popular measurement mechanism often used by PC gamers. PerformanceTest, in its 2 tests, evaluates the graphic performance using tests that stress image vectors, bitmaps, fonts, text, GUI elements and DirectX 9 to DirectX 12 in 4K resolution. Key Findings:

- All the PCs tested showed significant positive improvements across most of the benchmarks

- The total aggregate score (across all PCs) for GPU Performance was: 8.66% improved

Drive Performance

PerformanceTest and NovaBench measure drive performance by testing read, write&seeks within disk files + IOPS (Input-Output operations per second). Scores from the tools were aggregated for each platform tested. Key Findings:

- The Desktop has a high performance SSD as the primary storage device and therefore realized limited improvement

- The UltraBook's HDD averaged performance gains of over 44% (This PC's SSD is used as a cache, not a primary storage drive)

- The lower performance SSD- and HDD-based systems saw significant increases

- The total aggregate score (across all PCs) for Drive Performance was: 17.97% improved


- System Mechanic v16.5 demonstrably improves the performance of the four principal components of a PC

- The improvements quantified by the benchmarking software programs may deliver a faster PC with enhanced performance during a potentially wide array of tasks, including gaming, rendering, streaming, graphic design, office tasks and more

- In addition to increased system responsiveness, common user actions, including booting the PC and web browsing, were improved considerably across all systems tested.
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Category: Tutorial
SQL Server: Benchmarking and Baselining
SQL Server: Benchmarking and Baselining
WMV | WMV3 248kbps | English | 1024x768 | 15fps | 3h 20mins | WMA2 stereo 128kbps | 336 MB
Genre: Video Training

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