'Read fd' diaporamas de présentation

Mining Specifications

Mining Specifications. Glenn Ammons , Dept. Computer Science University of Wisconsin Rastislav Bodik , Computer Science Division University of California, Berkeley James R. Larus , Microsoft Research POPL 2002. Motivation. Formal verification is a promising alternative to software testing

395 views • 28 slides

ECE408/CS483 Applied Parallel Programming Lecture 7: Performance Considerations and GMAC

ECE408/CS483 Applied Parallel Programming Lecture 7: Performance Considerations and GMAC. Outline. Reading Data From Files Double Buffering GMAC. Reading a File in Theory. Two stage process: Read from the file to host memory Copy from host memory to device memory. Host Memory. GPU.

433 views • 27 slides

Pipes

Pipes. Pipes are an inter-process communication mechanism that allow two or more processes to send information to each other. Pipes. A pipe provides a one-way flow of data example: who | sort| lpr output of who is input to sort output of sort is input to lpr. who. pipe. sort. pipe.

285 views • 13 slides

Pipes

Pipes. Pipes are an inter-process communication mechanism that allow two or more processes to send information to each other. Pipes. A pipe provides a one-way flow of data example: who | sort| lpr output of who is input to sort output of sort is input to lpr. who. pipe. sort. pipe.

136 views • 13 slides

Operating Systems 12 - files

Operating Systems 12 - files. PIETER HARTEL. Files. Properties Long term existence of data Sharable between processes Access control Operations Create/Delete Open/Close Read/Write/Seek Structure Bytes/Records. Directories. Path name Current directory Parent directory

161 views • 11 slides

Operating Systems 12 - files

Operating Systems 12 - files. PIETER HARTEL. Files. Properties Long term existence of data Sharable between processes Access control Operations Create/Delete Open/Close Read/Write/Seek Structure Bytes/Records. Directories. Path name Current directory Parent directory

188 views • 11 slides

Linux Pipes and FIFOs

318 views • 8 slides

Non-blocking I/O

Non-blocking I/O. We can use fcntl() (file control) function to set some flags about the file that is opened. one of these flags sets if the operations on the file will blocked or non-blocked. It is set in the following way in Unix. int flags; int fd; /* file descripter */

173 views • 6 slides