u-dma-buf is a Linux device driver that allocates contiguous memory blocks in the kernel space as DMA buffers and makes them available from the user space. It is intended that these memory blocks are ...

Enabling LLMs to acquire new knowledge after training remains a major hurdle for enterprise AI — current solutions are either too expensive, too slow, or constrained by context window limits. MeMo, a ...

Marshall, a Mississippi native, is a dedicated IT and cybersecurity expert with over a decade of experience. Along with Techopedia, his articles can be found… Cache memory stores frequently used data ...

In a computer, the entire memory can be separated into different levels based on access time and capacity. Figure 1 shows different levels in the memory hierarchy. Smaller and faster memories are kept ...

The development of caches and caching is one of the most significant events in the history of computing. Virtually every modern CPU core from ultra-low power chips like the ARM Cortex-A5 to the ...

As DB/mem ratio gets larger, the memory footprint of filter/index blocks becomes non-trivial. Although cache_index_and_filter_blocks allows storing only a subset of them in block cache, their ...

Non-uniform memory access (NUMA) is the phenomenon that memory at various points in the address space of a processor have different performance characteristics. At current processor speeds, the signal ...

The i7 supports the x86-64 instruction set architecture, a 64-bit extension of the 80×86 architecture. The i7 is an out-of-order execution processor that includes four cores. In this chapter, we focus ...