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How can performance benchmarks help troubleshoot hardware bottlenecks?

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If you want to optimize your computer's performance, you need to identify and eliminate any hardware bottlenecks that may slow down your system. Hardware bottlenecks are components that limit the speed or capacity of other components, such as the CPU, RAM, GPU, or storage. Performance benchmarks are tests that measure how well your hardware performs under different workloads and compare it to standard or expected results. By using performance benchmarks, you can troubleshoot hardware bottlenecks and find out which components need to be upgraded, replaced, or configured differently. In this article, we will explain how to use performance benchmarks to troubleshoot hardware bottlenecks in four steps.

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Nemesio Tembe

Experienced ICT Specialist | Network Administration | Cybersecurity
Amine MECIFI

Public Speaker - Author - Quiet Quitting Advocate - Fighting Corporate Toxicity

1 Step 1: Choose the right benchmarks

The first step is to choose the right benchmarks for your hardware and your goals. There are different types of benchmarks, such as synthetic, real-world, and application-specific, that test different aspects of your hardware performance. Synthetic benchmarks use artificial scenarios to stress-test your hardware and measure its maximum potential. Real-world benchmarks use common tasks or games to test your hardware in realistic situations. Application-specific benchmarks use specific software or programs to test your hardware in specialized domains, such as video editing, rendering, or cryptography. Depending on your needs, you may want to use one or more types of benchmarks to get a comprehensive picture of your hardware performance.

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Nemesio Tembe

Experienced ICT Specialist | Network Administration | Cybersecurity
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Identifying Underperforming Components CPU Utilization Memory Throughput Storage Performance GPU Performance Network Throughput Real-world Application Simulation Thermal and Power Constraints Comparative Analysis Isolation of Bottleneck Causes Benchmarks provide insights into the scalability of hardware. As your computing needs evolve, benchmarks can help you plan for future upgrades and ensure that new hardware meets performance requirements.

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John Whitman

Senior Cybersecurity Control Systems Specialist for Operational Technology (Consultant) Not involved with HDR operations.
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Before using any benchmarks you need to have a solid baseline and you need several baselines. A baseline for when demand is low, demand is average and when demand is high. Too many people try to compare their equipment to what "others" are doing and it is not a equitable comparison. You most likely don't have the same set as anyone else so why compare your results to someone else's results. You need to know your baselines so you can compare to them and then record them to find trends. There will always be a bottleneck in your network. It's how you plan and manage that bottle neck that counts, and will allow you to manage your funds to make upgrades before the bottleneck has a serious impact to your network.

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2 Step 2: Run the benchmarks and record the results

The second step is to run the benchmarks and record the results. You can use various tools and software to run benchmarks, such as 3DMark, Cinebench, CrystalDiskMark, or PCMark. Some benchmarks may require you to install them on your computer, while others may run online or from a USB drive. Before running the benchmarks, make sure to close any unnecessary programs or processes that may interfere with the results. Also, make sure to run the benchmarks multiple times and in different conditions, such as with different settings, resolutions, or overclocking, to get more accurate and consistent results. Record the results in a spreadsheet or a document, and note down any relevant information, such as the hardware specifications, the benchmark settings, or the environmental factors.

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3 Step 3: Analyze the results and compare them to standards

The third step is to analyze the results and compare them to standards. You can use various sources and methods to compare your results, such as online databases, forums, reviews, or guides. For example, you can use UserBenchmark, PassMark, or Geekbench to compare your results to other users' results or to average or optimal scores for your hardware. You can also use websites like Tom's Hardware, AnandTech, or PC Gamer to compare your results to professional reviews or recommendations for your hardware. Alternatively, you can use your own experience or expectations to compare your results to your desired performance level or goal. By comparing your results to standards, you can identify which components are performing well, which are performing poorly, and which are causing bottlenecks.

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4 Step 4: Troubleshoot the bottlenecks and improve the performance

The fourth step is to troubleshoot the bottlenecks and improve the performance. Depending on the results of your analysis, you may need to take a variety of actions to resolve the bottlenecks and boost your performance. For instance, if your CPU is bottlenecking your GPU, you can upgrade your CPU to a higher-end model or switch to a different CPU-GPU combination. Alternatively, if your RAM is bottlenecking your CPU, you can increase the RAM frequency, voltage, or timing, or enable the XMP profile in the BIOS. Moreover, if your storage is bottlenecking your system, you can defragment your hard drive, delete unnecessary files, or install a better cooling system. By troubleshooting the bottlenecks and improving the performance, you can make your computer run faster, smoother, and more efficiently.

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5 Here’s what else to consider

This is a space to share examples, stories, or insights that don’t fit into any of the previous sections. What else would you like to add?

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Amine MECIFI

Public Speaker - Author - Quiet Quitting Advocate - Fighting Corporate Toxicity
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Be careful when upgrading, in some situations you can simply move the bottleneck to another place. One day I was working with a client who was upgrading the storage on his servers. He was switching from SAS drives to SSD. The next thing he knew, the CPUs went to 100%! What had happened? When the storage was slower, the CPUs spent part of their time waiting for the disks to respond (IOWAIT). The CPUs were then running at about 80%. Once the SSDs were installed, the IOWAIT dropped dramatically. This means that more data was fed into the CPUs. They jumped from 80 to 100%. Before you install faster storage, you should always check whether you can afford it in terms of CPUs. If you are running at 70%+, it may not be worth it to continue.

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How can performance benchmarks help troubleshoot hardware bottlenecks?

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2

3

4

5

1 Step 1: Choose the right benchmarks

2 Step 2: Run the benchmarks and record the results

3 Step 3: Analyze the results and compare them to standards

4 Step 4: Troubleshoot the bottlenecks and improve the performance

5 Here’s what else to consider

Computer Hardware

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How can performance benchmarks help troubleshoot hardware bottlenecks?

1

2

3

4

5

1 Step 1: Choose the right benchmarks

2 Step 2: Run the benchmarks and record the results

3 Step 3: Analyze the results and compare them to standards

4 Step 4: Troubleshoot the bottlenecks and improve the performance

5 Here’s what else to consider

Computer Hardware

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