Petascale parallel computers with more than a million processing cores are expected to be available in a couple of years. Although MPI is the dominant programming interface today for large-scale systems that at the highest end already have close to 300,000 processors, a challenging question to both researchers and users is whether MPI will scale to processor and core counts in the millions. In ...

A common thread in the circular economy literature is linear–circular contrast. This study shows that has always been a mix of and linear applications but varying proportions. Furthermore, scrutiny emblematic examples both reveals misconceptions enriches extant knowledge frameworks their relationship. also explains which aspects encourage an to lean towards either or (i.e., profit, scarcity, ci...