
374 High Performance Parallel I/O
0
100
200
300
400
500
0 20 40 60 80 100 120 140 160
Power Used (kW)
Time Since Initial Measurement (hours)
Compute power
Storage power
FIGURE 34.2: Power use for Palmetto and its storage infrastructure.
Meanwhile, total compute power draw ranged from 359 to 427 kW. During
higher utilization periods, it is likely that the compute power draw is higher,
thus reducing the proportion of power used by storage.
34.2.4 Dawn
Dawn is a 500-TFLOPS 147,456-core Blue Gene/P machine that was pro-
cured as a code-development and scaling platform for Sequoia [6]. It is con-
nected to a storage cluster called Dusk, which contains ...