Shulou(Shulou.com)12/24 Report--

CTOnews.com, December 7, AMD, in addition to launching its flagship MI300X accelerator card, also announced that Instinct MI300A APU has entered the stage of mass production and delivery is expected to begin next year. After launch, it is expected to become the world's fastest HPC solution.

Based on the innovative AMD CDNA architecture and optimized for millions of terabytes of secondary performance and energy savings, the AMD Instinct MI300A Accelerator is an innovative accelerated processor (APU) for HPC and AI, providing 24 "Zen 4" CPU cores and 128GB CPU and GPU shared HBM3 memory for extraordinary performance.

AMD Instinct MI300A APU combines Zen 4, CDNA 3, and Generation 4 Infinity architectures and interconnect technologies, and some of its performance is as follows:

The maximum computing power is 61 TFLOPS under FP64 precision.

Under FP32 precision, the maximum computing power is 122 TFLOPS.

Up to 128 GB HBM3 memory

146 billion transistors

The encapsulation of MI300A is very similar to that of MI300X, except that the former uses TCO-optimized memory capacity and the Zen 4 kernel.

Each active die has two CDNA 3 GCD, providing a separate cache and core IP pool. Each CCD has 8 cores and 16 threads, so there are always 24 cores and 48 threads on the active chip. There is also a 24 MB L2 cache (1 MB per kernel) and a separate cache pool (32 MB per CCD).

In terms of GPU, AMD supports a total of 228 computing units, equivalent to 14592 cores, based on the CDNA 3 architecture. In other words, each GPU chip has 38 computing units.

CTOnews.com briefly summarizes the outstanding functions of AMD Instinct MI300 accelerator

The first integrated CPU+GPU package

Targeting the megabyte secondary supercomputer market

146 billion transistors

Up to 24 Zen 4 cores

CDNA 3 GPU architecture

228 computing units (14592 cores)

Up to 128 GB HBM3 memory

Up to 8 Chiplets + 8 memory stacks (5nm + 6nm process)

Performance AMD once again compared MI300A to H100, thanks to a uniform memory layout, GPU performance, and overall memory capacity and bandwidth, which was four times higher than H100 in OpenFOAM tests.

AMD also confirmed that the Instinct MI300A APU is now shipped and will also be used to power the next generation of El-Capitan supercomputers, which are expected to provide up to 2 Exaflops of computing power.

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