Demo: Why Care About Memory?¶
Four short demos, one per reason: memory runs out, memory you do not see speeds things up, where data sits decides speed, and memory you forget to free is gone.
| Demo | Shows |
|---|---|
memory-use/ |
The browser at the top of ps. |
buffer-cache/ |
31 GB of buff/cache on a 59 GB machine. |
cache-memory/ |
Row-major 0.05 s, column-major 0.46 s. |
memory-leak/ |
4,000 blocks definitely lost. |