做过 GPU kernel 优化的人对以下编程模型肯定不会陌生：写一个 CUDA kernel分发到流式多处理器（SM）上执行，缓存层次结构自行负责数据搬运。而TPU 则完全不同，除非明确告诉编译器要把哪些数据块搬到哪里，否则kernel 根本无法编译。实际操作确实和听起来一样 ...

Part of the fun of working with truly large machines is that one gets to discover new scalability surprises before anybody else. So the SGI folks often have more fun than many of the rest of us. Their ...

For most UNIX systems, Linux included, device drivers typically divide the work of processing interrupts into two parts or halves. The first part, the top half, is the familiar interrupt handler, ...

The embedded computing universe includes computers of all sizes, from tiny portable devices--such as wristwatch cameras--to systems having thousands of nodes distributed worldwide, as is the case with ...

Express Logic, renowned provider of advanced run-time solution for deeply embedded applications, recently added Kernel-Aware Debug Support for ARM DS-5 Development Tools in order to provide greater ...

For the last decade or so, I have heard much about the 'superior' BeOS. To this day, a successor lives on in 'Haiku'. Couldn't most of the feel of BeOS be achieved with the proper Desktop Environment, ...