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paulborile committed Mar 25, 2022
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Expand Up @@ -43,24 +43,24 @@ Wetstones
Fstones

$ gcc -o fstones -O fstones.c
$ ./fstones BULK 10000
Phase 1 ** Sequential file creation
Creating a 10000 blocks file (131072 byte blocks)
Elapsed time 22 - 56M/sec
Average write service time 2.200000000 ms.
Phase 2 ** Sequential file reading
Elapsed time 20 - 62M/sec
Average read service time 2.000000000 ms.
Phase 3 ** Random file read
Elapsed time 1 - 1250M/sec
Average seek-read time 10.000000000 ms.
Phase 4 ** Random file write
Elapsed time 1 - 1250M/sec
Average seek-write time 10.000000000 ms.
Phase 5 ** Directory test
Elapsed time 3 - index 33333/sec
...
...
$ ./fstones --read --write --rread --rwrite --size 10 --blocksize 128 --file BULK --dir 200000
** fstones 3.0 - (C) 1989-2022 Paul Stephen Borile
Blocksize for read/write operations is 128K
Phase 1 ** Sequential file creation
Creating a 10 GB file
Elapsed time 21 - 487M/sec
Average write service time 0.256344527 ms.
Phase 2 ** Sequential file reading
Elapsed time 29 - 353M/sec
Average read service time 0.353999585 ms.
Phase 3 ** Random file read
Elapsed time 104 - 98M/sec
Average seek-read time 0.009918213 ms.
Phase 4 ** Random file write
Elapsed time 329 - 31M/sec
Average seek-write time 0.031375885 ms.
Phase 5 ** Directory test
Elapsed time 2 - index 100000/sec

Ack - Ackerman function (http://en.wikipedia.org/wiki/Ackermann_function)

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