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simple_sequential_baseline_test

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simple_sequential_baseline_test [2019/06/28 19:06] adminsimple_sequential_baseline_test [2022/10/18 18:36] (current) – [Odroid M1 / Samsung SSD 970 EVO Plus 250GB] admin
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-From: [[https://communities.intel.com/community/itpeernetwork/blog/2013/11/22/making-friends-with-your-new-ssd--a-simple-baseline]]+===== Direct Write Test, simple benchmark with dd =====
  
-**Direct Write Test, simple benchmark with dd**+From: [[https://communities.intel.com/community/itpeernetwork/blog/2013/11/22/making-friends-with-your-new-ssd--a-simple-baseline]]
  
 First off remember system OS'es, and controllers, are always setup for caching and buffering, so use DirectIO, here is an example syntax that should work on most flavors of Linux/Unix, or try Cygwin on Windows to achieve the same. So to me it seems amazingly universal but you tell me, is there a more universal tool than "dd" out there that's more powerful and more standard for a fast memory to device copy test. First off remember system OS'es, and controllers, are always setup for caching and buffering, so use DirectIO, here is an example syntax that should work on most flavors of Linux/Unix, or try Cygwin on Windows to achieve the same. So to me it seems amazingly universal but you tell me, is there a more universal tool than "dd" out there that's more powerful and more standard for a fast memory to device copy test.
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 Direct read:  1073741824 bytes (1.1 GB) copied, 2.17759 s, 493 MB/s Direct read:  1073741824 bytes (1.1 GB) copied, 2.17759 s, 493 MB/s
 Read cache:   1073741824 bytes (1.1 GB) copied, 0.110266 s, 9.7 GB/s Read cache:   1073741824 bytes (1.1 GB) copied, 0.110266 s, 9.7 GB/s
 +</code>
 +
 +==== Odroid M1 / Samsung SSD 970 EVO Plus 250GB ====
 +<code>Direct write: 4294967296 bytes (4.3 GB, 4.0 GiB) copied, 3.82946 s, 1.1 GB/s
 +Direct read:  4294967296 bytes (4.3 GB, 4.0 GiB) copied, 2.96632 s, 1.4 GB/s
 +Read cache:   4294967296 bytes (4.3 GB, 4.0 GiB) copied, 2.86754 s, 1.5 GB/s
 +</code>
 +
 +==== Raspberry Pi CM4 8GB mem / KINGSTON SNVS1000G (1TB) ====
 +<code>Direct write: 1073741824 bytes (1.1 GB, 1.0 GiB) copied, 3.17625 s, 338 MB/s
 +Direct read:  1073741824 bytes (1.1 GB, 1.0 GiB) copied, 2.68052 s, 401 MB/s
 +Read cache:   1073741824 bytes (1.1 GB, 1.0 GiB) copied, 0.769217 s, 1.4 GB/s
 </code> </code>
  
simple_sequential_baseline_test.1561748805.txt.gz · Last modified: 2019/06/28 19:06 by admin