4.3.4)在TLAB上分配对象(Thread Local Allocation Buffer, 线程本地分配缓存) 1 2 3 4 5 6 7 8 TLAB是一个线程专用的内存分配区域, 虚拟机为线程分配空间, 针对于体积不大的对象, 会优先使用TLAB, 这个可以加速对象的分配, TLAB是默认开启的, 若要关闭可以使用以下参数关闭 -XX:-UseTLAB 关闭TLAB -XX...
4.3.4)在TLAB上分配对象(Thread Local Allocation Buffer, 线程本地分配缓存) TLAB是一个线程专用的内存分配区域, 虚拟机为线程分配空间, 针对于体积不大的对象, 会优先使用TLAB, 这个可以加速对象的分配, TLAB是默认开启的, 若要关闭可以使用以下参数关闭 -XX:-UseTLAB 关闭TLAB -XX:+UseTLAB 开启TLAB, 默认...
# include <stdio.h> # include <io.h> # include "system.h" int main() { int i; printf("Hello from Nios II!\n"); printf("refill content of RAM\n"); for(i=0; i<16; i++) IOWR_8DIRECT(PIXELS_BUFFER_0_BASE, i, i); printf("check wrote content\n");...
Fio's default options are generally sane and work as expected for most situations. However, new features may not fit the conventions assumed by fio's defaults. Write zeroes is indeed a write command but unlike most write commands, no data buffer is involved, so in this case fio's...
// Schedule TX buffer nbytes_tx = iio_buffer_push(txbuf); if (nbytes_tx < 0) { printf("Error pushing buf %d\n", (int) nbytes_tx); shutdown(); } total_rx = 0; for (int i = 0; i < 2; i++) { // Refill RX buffer ...