Intel claims its Ponte Vecchio server accelerator is 22.5x faster than NVIDIA A100


Ahead of the HotChips 34 conference, Intel shared new details about the upcoming Ponte Vecchio server compute accelerator that will combine 63 elements into a single substrate (47 functional GPUs). In particular, experts talked about the high performance and performance of the Ponte Vecchio accelerator in single and double precision calculations.

Sources of information: Intel.

The Ponte Vecchio uses three different types of crystals in the manner of three different technical processes: Intel 7 (100 nm) Enhanced SuperFin (RMS), TSMC N7 (7 nm) and TSMC N5 (5 nm). They need new packaging and the EMIB bus to bring them together. One Ponte Vecchio has 128 Xe graphics cores, 128 ray tracing accelerators, 64MB L1 cache and 408MB L2 cache. These accelerators can also accommodate up to 128 GB of high-speed HBM2e memory and use the PCIe 5.0 interface.

Memory Subsystem and Bandwidth (below) Ponte Vecchio (below).

Ponte Vecchio in DPC++ against NVIDIA A100.

In Data Parallel C++ (DPC++), computing workloads (SBI) require accelerometers larger than 4 or 2 inches. Intel also included performance data in the ExaSMR OpenMC (Modern Monte Carlo Code for Research and Development), where Ponte Vecchio does twice the performance. And in NekRS (to solve the Navier-Stokes equations), Intel is not much worse than its competitor.

Ponte Vecchio performs the ExaSMR and miniBUDE tasks.

I thought the Intel Ponte Vecchio and Intel Sapphire Rapids Xeon server processors would debut as part of America’s first Aurora supercomputer. However, due to the development delay, this title was intercepted by the Frontier supercomputer, equipped with the third generation of AMD EPYC processors and AMD Instinct MI250X graphics accelerators, delivering peak performance of 1.1 Eflops.

Image source: VideoCardz.

We still do not know when the exit of Ponte Vecchio will take place. Nevertheless, Intel is already preparing a Rialto Bridge accelerator to replace it.

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