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BIREN BR100 Detailed: China's AI-HPC Processor Storms into the HPC GPU Big Leagues

btarunr

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If InnoSilicon's Fenghua gaming GPU hit the scene last November seemingly out of nowhere, then another Chinese GPU developer is making waves at HotChips 22, this time in the enterprise space. The BR100 by BIREN is a large AI-HPC GPU-based processor that's China's answer to the Hopper, Ponte Vecchio, and CDNA2, and ensure China's growth as an AI/HPC leader is unaffected in the event of a tech embargo for whatever reason.

The BR100 is an MCM of two planar-silicon dies built on the 7 nm DUV node, with a striking 77 billion transistor-count between them, and 550 W TDP (typical). The chip features 64 GB of on-package HBM2E memory. System bus interfaces include PCI-Express 5.0 x16 with CXL, and eight lanes of a proprietary interconnect called B-Link, which total 2.3 TB/s of bandwidth. The processor supports nearly all popular compute formats except double-precision floating-point, or FP64. Among the supported ones are single-precision or FP32, TF32+, FP16, BF16, INT16, and INT8. BIREN claims up to 256 TFLOP/s FP32, up to 512 TFLOP/s TF32+, up to 1 PFLOP/s BF16, and 2,048 TOPS INT8. This would put it at 2.4 to 2.8 times faster than NVIDIA's "Ampere" A100.



The component hierarchy of the BR100 consists of a network of highly specialized computing elements called SPC or Streaming Processing Cluster. Each SPC contains 16 EUs (execution units), the indivisible number-crunching machinery of the GPU. Each EU contains 16 V-cores, or SIMD units for FP32 and other math formats; and a Tensor core. There are various levels of caches within the EU and SPC. The GPU lacks any raster graphics hardware, and cannot light up a monitor. However, it contains media-acceleration engines, so encoding and decoding of certain modern video formats can benefit from hardware-acceleration.

BIREN hopes that the BR100 will power AI and HPC servers, as well as media among the country's popular cloud compute service providers.

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BIREN claims up to

"May reach quoted performance numbers when installed in a fridge in a hurricane under a simultaneous lunar and solar eclipse". So like most Chinese products, in other words.

Interesting that TSMC produces a chip that can be used against them.
... where does it say this chip is produced by TSMC?
 
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"May reach quoted performance numbers when installed in a fridge in a hurricane under a simultaneous lunar and solar eclipse". So like most Chinese products, in other words.


... where does it say this chip is produced by TSMC?
What other company on the planet makes 7nm chips?
 
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Several other websites indicate that this chip will be produced by TSMC.

"1074mm2, the 77 billion-transistor, dual-die Biren BR100 (pictured in the header) will be manufactured on TSMC’s 7nm process and capable of 256 FP32 teraflops."

 
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Several other websites indicate that this chip will be produced by TSMC.

"1074mm2, the 77 billion-transistor, dual-die Biren BR100 (pictured in the header) will be manufactured on TSMC’s 7nm process and capable of 256 FP32 teraflops."

Thanks for that, as such I agree that your point is extremely valid. But on the flipside, I then wonder why BIREN isn't fabbing its product using PRC's state semiconductor manufacturer SMIC - especially since the latter recently claimed to have 7nm fab capabilities?
 
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