perryflynn/iobench

Simple shell script for disk benchmarks

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iobench's Issues

what's your hard drive model ? maybe raid0 I guess ?

your benchmark result is so awesome ! I'm curious what is your raid type / harddisk model&numbers ?

Start 1 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 1.34675 s, 12.8 GB/s
Start 2 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 1.36288 s, 12.6 GB/s
Start 3 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 1.42878 s, 12.0 GB/s
Start 4 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 1.37079 s, 12.5 GB/s
Start 5 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 1.35658 s, 12.7 GB/s

and here is mine , single plextor M9PEGN 512G NVME SSD

2019-09-06 14:00:01 [changch@hqdc034 iobench]$ sudo ./iobench.sh --megabytes 16384 --sync
Target directory: .
Testfile size: 16384 x 1 Megabyte

1. Write benchmark without cache
17179869184 bytes (17 GB, 16 GiB) copied, 32.56 s, 528 MB/s
2. Write benchmark with cache
17179869184 bytes (17 GB, 16 GiB) copied, 31.6189 s, 543 MB/s
3. Read benchmark with dropped cache
17179869184 bytes (17 GB, 16 GiB) copied, 9.66748 s, 1.8 GB/s
4. Read benchmark without cache drop
Start 1 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 9.57576 s, 1.8 GB/s
Start 2 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 9.57289 s, 1.8 GB/s
Start 3 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 9.55484 s, 1.8 GB/s
Start 4 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 9.58037 s, 1.8 GB/s
Start 5 of 5...
17179869184 bytes (17 GB, 16 GiB) copied, 9.59213 s, 1.8 GB/s

Typo

Es sollte "dropped cache" und nicht "droped cache" heißen in Zeile 110

LG Alex

Update README

Please update the usage information in the program and the README, especially the --target option.