Hello, On an Elphel board, I ran a simple program to measure the time to write data with its size 200K to a CF card (SanDisk Ultra at 30MB/sec). Other than the built-in processes on the board, there are no other processes running.
With this program, I kept writing 200K data into an open file 10,000 times to collect the writing time. Usually it takes about 20 msec each time. But although it is rare, it takes more than a few seconds. This is more than 100 times slower than the normal time. Is this normal? I can provide the program if anyone is interested. -- Best regards, Harry Kim Senior Embedded Software Engineer RedZone Robotics Inc. 91 43rd Street, Suite 250 Pittsburgh, PA 15201 office 412-927-3456 or 412-476-8980 x214 cell 412-897-0066 h...@redzone.com www.redzone.com
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