Petaflops (pflops), what is it?

A petaflops (pflops) corresponds to 10¹⁵ Flops, a billiard of calculations in floating comma per second. This measurement unit is used to measure the power of high performance computers.

What are the flops and what are they used for?

The flop unit means  » Floating point operations per second And indicates the number of floating commacks that a computer can perform per second. These calculations are essential for complex mathematical and scientific calculations, because they make it possible to represent and treat decimal numbers with great precision.

The power in the flops of a computer is particularly important for applications that require a Huge calculation capacity. We find for example:

• Scientific simulations : In physics, chemistry and biology, flops are used to calculate complex meteorological models, flow simulations or molecular dynamics.
• Artificial intelligence and machine learning : AI models and neural networks require considerable calculation power to cause several million parameters and optimize their performance.
• Computer graphics and video games : in particular for 3D rendering and real -time calculations, high flop values are essential to display complex visual effects and physical simulations.

Flop measurement is generally carried out using standardized benchmarks. THE Benchmark Linpack is a very widespread test which checks the speed at which a computer solves linear equations systems. It provides information on the efficiency with which a system can work with floating comma numbers.

How many flops are there in a petaflops?

A pflops corresponds exactly to 10¹⁵ Flopsor 1,000,000,000 000,000 calculations in floating comma per second.

Here is an example to illustrate the immense computing power of a Pétaflops system: if each person on earth (about 8 billion people) carried out one calculation per second, it would take more than 4 years to reach what a Petaflops computer realizes in a single second!

Other flop units and their conversion to pflops

Besides PFLOs, there are other flops units used to describe the calculation power of different systems. You can make very simple conversions if necessary. The following table shows you how:

Flops power of modern devices

With the growing number of modern high performance computers and the growing importance of High Performance Computing (HPC), the Pflops unit is becoming more and more important. Indeed, a petaflops corresponds to 1,000 teraflops and thus marks the next step in the development of the computing power.

While many modern GPUs are measured in teraflops, some examples show how closer these systems approach the threshold of the petaflops, even exceed it. Thus, the NVIDIA H100 reaches cutting -edge values of around 989 teraflops for FP32 Tensorcore calculations, almost a pflops. On the other hand, the NVIDIA A30 designed for HPC and IA inference, reaches only 10.3 Teraflops approximately, which represents only a small fraction of a pflops.

GPUs are not the only ones to play a role: the fastest supercomputer in the world work at powers of the order of the pflops and beyond. The American supercomputer « Frontier » is an impressive example: it now achieves performance greater than 1 exaflops, or more than 1,000 pflops. Other systems, such as the Japanese superoder « Fugaku » or the former American supercomputer « Summit », reach comparable powers and thus solve very complex scientific and technical problems.