Startup exits stealth mode with Unifabrix CXL 3.0 smart memory device demo – Blocks and Files

Startup exits stealth mode with Unifabrix CXL 3.0 smart memory device demo – Blocks and Files

Startup exits stealth mode with Unifabrix CXL 3.0 smart memory device demo – Blocks and Files

israeli startup UnifabriX Demonstrating a CXL 3.0-connected Smart Memory Device for Data Center and HPC Memory Pooling

Demo is happening here sc22 And Unifabrix said it would include both memory pooling and sharing, as well as performance measures. It aims to provide multi-core CPUs with the required memory and memory bandwidth to run compute/memory-intensive AI and machine learning workloads in data centers. Existing CPUs have socket-connected DRAM and this limits memory capacity and bandwidth. Such limitations can be circumvented CXL memory expansion and pooling,

Ronen Hyatt, CEO and Co-Founder of Unifabrix, said: “We are ready to demonstrate the significant improvements and immediate potential that CXL solutions can improve on HPC performance and close the gap between processor and memory development.”

The company believes that its CXL-based products achieve exceptional performance and elasticity in bare-metal and virtualized environments on a wide range of applications, including the most demanding tasks.

Unifabrix was started in January 2020 by Hyatt and CTO Danny Volkind. Seed funding was provided by VCS and angel investors. Hayat is an ex-platform architect in Intel’s data center group, who joined Huawei in 2018 as Smart Platforms CTO. He gave up on launching Unifabriks. Volkind was a systems architect at Intel and was appointed by Huawei as chief architect. Both were at PMC Sierra prior to Intel and studied at Israel’s Technion Institute of Technology.

cxl background

a unifabrix white paper CXL 1.1 and 2.0 see the difference, CXL 1.1 supports direct-attached memory devices to facilitate memory expansion, and CXL 2.0 adds remote memory device support via CXL switching. The switch allows multiple hosts to connect to memory devices and view their own virtual CXL memory resources. Memory devices can be subdivided into logical domains, each of which, or a group of which, can be assigned to a different host. An external Fabric Manager controls the CXL switch or switches. It supports dynamic memory expansion for all servers, by allocating them cache-consistent remote memory from the CXL pool.

Startup exits stealth mode with Unifabrix CXL 3.0 smart memory device demo – Blocks and Files
CXL table of standards and features.

Memory devices can be pure memory or intelligent processors that have their own memory, such as a GPU or other accelerator hardware. The CXL 3.0 standard uses PCIe gen 6.0 and doubles the per-lane bandwidth to 64 gigatransfers/sec (GT/sec). This enables sharing of more memory access modes – flexibility and complex memory sharing topologies – compared to CXL 2.0.

In effect, CXL-connected memory becomes a composable resource. According to Wells Fargo analyst Aaron Rekers, Micron has calculated that CXL-based memory could hit a $2 billion total addressable market (TAM) by 2025 and more than $20 billion by 2030.

demo the product

UnifabriX CXL 3.0 Fabric memory pooling device.

The SC200 demo is of a smart memory device powered by UnifabriX’ RPU (Resource Processing Unit), built from silicon with UnifabriX hardware and software. RPU is described as an evolution of the DPU (Data Processing Unit) and is used to improve host CPU utilization, memory capacity, and system-wide bandwidth. Unifabrix will demonstrate enhanced performance related to all three items using a “recognized HPC framework”.

This smart memory node is a 2 or 4 rack unit box with an E-EDSFF E3 media bay and up to 128TB of memory capacity. The memory can be DDR5 or DDR4 DRAM, or NVMe-connected media.

Access is through NVME-OM (NVME over memory) and there can be 20 CXL FE/BE ports with node stacking through BE Fabric. The box is CXL 1.1, CXL 2.0, PCIe Gen 5 compliant and is ready for CXL 3.0. It has enterprise RAS (reliability, availability and scalability) and multi-layer security.

Two such units will be connected to multiple servers in a single CXL 3.0 fabric. It is said to be the first ever CXL 3.0 fabric. Hyatt said: “Determining how to achieve and document CXL-enabled performance in a real environment according to industry standard HPC benchmarking is a difficult task that we are excited to demonstrate live at the SC22.”

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