libsysve
3.0.2
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"Accelerated I/O" is a feature which improves I/O performance by efficient data transfer between VE and VH. More...
int | ve_is_acc_io_enabled (void) |
Accelerated IO APIs. More... | |
"Accelerated I/O" is a feature which improves I/O performance by efficient data transfer between VE and VH.
The throughput and the latency of the below read/write family system calls will be improved.
Please set environment variable VE_ACC_IO=1 to enable accelerated I/O.
Users can set the environment variable VE_ACC_IO_VERBOSE=1 to display whether accelerated IO is enabled or disabled to standard error when exit VE process.
int ve_is_acc_io_enabled | ( | void | ) |
Accelerated IO APIs.
Please include "libsysve.h" in the source file. This is a function of libsysve which checks accelerated IO is enabled or disabled.
0 | Accelerated IO is disabled. |
1 | Accelerated IO is enabled. |
-1 | On failure |