We recommend that you TRIM the SSD before doing any testing. Use InSpectre to see if you're protected from Meltdown and Spectre, Download InSpectre to check for CPU performance issues, InSpectre Meltdown and Spectre Check tool released by GRC, InSpectre Makes It Easy To See If Your PC Is Vulnerable To Spectre And Meltdown, InSpectre is a Free Lightweight Meltdown and Spectre Vulnerability and Performance Checker, InSpectre checks for Meltdown and Spectre breaches. The hit isn't quite as big on a Kaby Lake R-based laptop with an NVMe M.2 SSD, but still noteworthy at 14 percent. But older processors, lacking these newer features, will be significantly burdened and system performance will suffer under some workloads. Das kann das Test-Tool. Volgens Bos hebben alle kwetsbaarheden te maken met een techniek die bekendstaat als out-of-order execution: het berekenen van een resultaat voor het eigenlijk nodig is. 1. Cinebench R15 and most CPU-centric tests can vary based on the temperature of the CPU. To further complicate matters, newer processors contain features to minimize the performance impact of these important security improvements. Share. Before you do any performance testing, you should take your computer offline to prevent Windows from interfering with results by deciding to download a massive update. Spectre & Meltdown Checker. Daneben gibt es noch die Meltdown getaufte Angriffsvariante, CVE-2017-5754, oder auch Rogue Data Cache Load genannt. This is a benchmark built on an engine Microsoft uses to measure server disk performance. In File Explorer, double-click This PC to show the main folders on your computer. We've seen similar small file performance hits in other disk tools as well, so we think this is representative of the worst-case scenario. Easily examine and understand any Windows system's hardware and software capability to prevent Meltdown and Spectre attacks. One of founding fathers of hardcore tech reporting, Gordon has been covering PCs and components since 1998. SpecuCheck - Spectre & Meltdown Checker 1.1.1 Englisch: Mit dem kostenlosen Tool SpecuCheck überprüfen Sie Ihren PC schnell auf die beiden Sicherheitslücken Spectre und Meltdown. To verify your status, we recommend that you download and run Gibson Research's free InSpectre utility, which can verify that your machine is updated and fully patched. Either of the Protection Enable/Disable buttons will be disabled when the button's respective vulnerability cannot be enabled or disabled by its user. In that case the system is vulnerable and there's no way for the button to make it invulnerable. When the Windows desktop appears, wait several minutes for the OS to settle down before doing any testing. For one thing, with Cinebench R15, you can now measure the CPU performance before and after the patch. If you need more details on how to do this you can read our story on how to protect yourself from Meltdown/Spectre. We recommend using the free Cinebench R15.038 benchmark, which you can download directly from Maxon. On a Broadwell-based laptop with SATA-based M.2 SSDs, we've seen 30-percent swings in performance from patching. This would also be true (in the other direction) when a system has an Intel processor and any version of Windows that has not been updated for the Meltdown vulnerability. To run CrystalDiskMark 6.0, install it by running the executable and then click the All Button. Remember to rename the folder for each run. zusammenfassen: im Grunde alle. Select the Tools tab in the dialog box and click Optimize. There are two small files you'll need for various tests. A shell script to tell if your system is vulnerable against the several "speculative execution" CVEs that were made public since 2018. Read our, Learn more about PCWorld's Digital Editions. Protection from these two significant vulnerabilities requires updates to every system's hardware–its BIOS which reloads updated processor firmware–and its operating system–to use the new processor features. Nach dem Ausführen meldet das Tool, ob der Rechner gegen Meltdown oder Spectre abgesichert ist. The performance hit isn't quite as bad with a Core i7-8550U and a Toshiba XG5 NVME SSD as it is with a Core i5-5200U and SATA M.2 drive. The utility has already been updated multiple times, so make sure to snag the latest version (Release 6, as of this writing). On a desktop with good cooling, the variance should be far less. What's going on? If you're on Ethernet, just disconnect the cable from the PC. Are there other ways to see how much it hurts? The "we're still standing soaking in the rain" part of this is that you took a hit at all. Spectre & Meltdown Checker. “InSpectre is a Free Lightweight Meltdown and Spectre Vulnerability and Performance Checker” Jon Sutton for Game Debate wrote a very nice summary of InSpectre's operation and pointed people to GRC for the download. This InSpectre utility was designed to clarify every system's current situation so that appropriate measures can be taken to update the system's hardware and software for maximum security and performance. Ich hatte es im Blog-Beitrag Vorsicht vor Spectre/Meltdown-Test InSpectre vorgestellt. Once you have enabled it or disabled it, reboot the machine, wait several minutes for it to settle, and re-run your tests. Spectre und Meltdown: Kleine Helferlein überprüfen den Rechner.