다운로드 CPDT Benchmark〉Storage﹣Memory﹣RAМ﹣SD-Card﹣Disk﹣SSD - v2.3.0

카테고리 도구의 추천 애플리케이션 중 하나 인 CPDT Benchmark〉Storage﹣Memory﹣RAМ﹣SD-Card﹣Disk﹣SSD - v2.3.0을 (를) 다운로드하여 공유하세요.
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Maxim Saplin에서 출시 한 CPDT Benchmark〉Storage﹣Memory﹣RAМ﹣SD-Card﹣Disk﹣SSD - v2.3.0은 현재 사용 가능한 최고의 무료 및 최고의 휴대 전화 애플리케이션 중 하나입니다. 앱 스토어의 도구 카테고리에 있습니다.

CPDT Benchmark〉Storage﹣Memory﹣RAМ﹣SD-Card﹣Disk﹣SSD - v2.3.0의 최소 운영 체제는 Android 4.4+ 이상입니다. 아직 업데이트하지 않은 경우 휴대 전화를 업데이트해야합니다.

APKDroid에서는 CPDT Benchmark〉Storage﹣Memory﹣RAМ﹣SD-Card﹣Disk﹣SSD - v2.3.0 APK 무료 다운로드를 받게됩니다. 최신 버전은 2.3.0, 게시일은 2020-01-26이며 파일 크기는 17.5 MB입니다.Google Play 스토어 통계에 따르면 약 1000 회 다운로드가 있습니다. Android에 개별적으로 다운로드하거나 설치된 앱은 원하는 경우 업데이트 할 수 있습니다. 앱도 업데이트하세요. 최신 기능에 대한 액세스 권한을 부여하고 보안을 강화합니다. 그리고 앱의 안정성. 지금 즐기세요 !!!

CPDT (Cross Platform Disk Test) is a performance benchmarking app that measures I/O speed of permanent storage (internal memory/NAND/NVMe/UFS/SD card) and system memory (RAM).

This app has Windows, macOS and Linux v̲e̲r̲s̲i̲o̲n̲s̲ which allow to consistently run tests across devices with different operating systems. They can be download at the web site: https://maxim-saplin.github.io/cpdt_results/?download

In-app results database makes it possible to compare your phone’s performance to other android smartphones (e.g. Samsung Galaxy Note 10, Xiaomi Redmi 7 etc.) and wide variety of different devices on different platforms (iPhones, Macs, Windows PCs, Android TV Players etc.)

The benchmarking suite includes the following 5 tests:

◉ Permanent storage tests
┊
╰┄◎ Sequential write
┊
╰┄◎ Sequential read
┊
╰┄◎ Random write(4KB block)
┊
╰┄◎ Random read (4KB block)

◉ RAM test
┊
╰┄◎ Memory copy

- test results are given as throughput values measured in MB/s (megabytes per second).

Various settings are available in Options menu and let users control:

◉ Test file size
┊
╰┄◎ 0.5GB ┄◎ 1GB ┄◎ 2GB ┄◎ 4GB ┄◎ 8GB ┄◎ 16GB

◉ Write buffering
┊
╰┄◎ On ┄◎ Off

◉ In-memory file caching
┊
╰┄◎ On ┄◎ Off

For sequential tests the app builds time-series graphs, for random tests - histograms. Test results can be exported to CSV for further analysis (each row containing block position in the test file and throughput measured).

How is CPDT different from other apps? Most popular benchmarks focus on CPU/GPU (such as Geekbench, AnTuTu) and completely ignore storage performance.
Storage and memory benchmarks rarely lets users change any test settings and limited to specifying test file size. Controlling buffering or caching is not possible (e.g Androbnech) or require device reloading (e.g. A1 SD).
Caching is a mechanism which significantly influences test results. If it is ON test results are affected by RAM speeds and it’s not possible to isolate permanent storage performance in such tests. Cold read scenarios (e.g. device boot or first-time application start) ca not be described by cached reads. Same situation is with buffering which affects write tests. Buffering uses RAM for temporary storing data before persisting it to permanent storage.
CPDT deals with both caching and buffering and by default those are OFF which makes it possible to consistently measure and compare permanent storage performance across devices and operating systems.

Why is storage and memory performance important? It directly affects the level of “perceived” performance. UI freezes can be described in many cases by stutters at storage level. E.g. displaying a loaded web page in browser when it requests data from it’s cahce, scrolling pictures in gallery app (imaging scrolling thousands of them), or going down Instagram feed (previously loaded images will be requested from cache stored on disk).

Chromebook users can use this app after enabling Google Play. In order to access SD/Memory Card the app must be granted “Storage permission” in Google Play setting of Chrome OS.

The project is open-source and you're welcome to visit it's page at GitHub:
https://github.com/maxim-saplin/CrossPlatformDiskTest

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