Quote:
ftp unbuffered file -> socket -> socket [ftp.exe] -> null
- Parameters: FILE_FLAG_NO_BUFFERING, SO_SNDBUF = 0, 3 * 8kb application write buffer, ftp.exe
- Result: ~60mb/sec
- Conclusion: User mode cpu usage reduced significantly (to 1-2%), while kernel mode cpu usage increased somewhat. Greatest benefits when used asynchronous devices. (scsi, network shares)
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d1 does io needs special buffer settings for asynchronous devices? because i'm using some scsi raids..
cya