On Friday, Longson, which has been deeply ploughed in the domestic CPU field for 20 years, released its first processor chip using the autonomous instruction system LoongArch, the Longson 3A5000 processor, which is code-named KMYC70 to commemorate the 70th anniversary of China's resistance to the United States and aid to North Korea.

The main frequency of the Loxson 3A5000 processor is 2.3GHz-2.5GHz, including four processor cores, each of which uses a 64-bit superstandard GS464V autonomous micro-structure, including four fixed-point units, two 256-bit vector computing units and two access units.

In addition, the Loongson 3A5000 integrates two 64-bit DDR4-3200 controllers, four HyperTransport3.0 controllers with ECC verification, four HyperTransport3.0 controllers, and four HyperTransport3.0 controllers. The main module clock dynamic shutdown, the main module clock dynamic frequency conversion, the main voltage domain dynamic voltage regulation and other fine power management functions.

All modules of the 3A5000, including CPU core, memory controller and associated PHY, high-speed IO interface controller and associated PHY, lock ring, on-chip multi-port register stack, etc., are designed by Loson itself. Integrated safe and reliable modules to support reliable computing systems.

According to the test results of domestic third-party testing institutions, the fixed-point and floating-point single-core Base scores of Loongson 3A5000 processor running SPECPU2006 in the GCC compilation environment are more than 26 points, and the quad-core scores are more than 80 points. Loongson 3A5000 desktop system based on the domestic operating system Unixbench single-thread scores more than 1700 points, four-thread scores more than 4200 points. The above test scores are close to the level of mainstream desktop cpus in the market, and are in a leading position in domestic desktop cpus.

Officials claim that compared with the previous generation of Loongson processor 3A4000 processor, the 3A5000 processor has improved performance by more than 50% and reduced power consumption by more than 30% while maintaining pin-compatible. For the processing of complex documents, the opening of the browser, the acceleration of the 3D engine, the 4K HD soft solution, and the processing of various business software, the user experience of the Loongson 3A5000 computer has been significantly improved.

The three major compilers GCC,LLVM,GoLang and the three major virtual machines Java,JavaScript,.NET have been developed to match the Loongson 3A5000. Loongnix, the Loongnix basic operating system, and LoongOS, the Loongnix basic operating system for industrial control and terminal applications, have been released.

LATX, the binary translation system from X86 to LoongArch, can already run some X86/Windows applications. Domestic operating systems such as Tongxin UOS and Kirin Kylin already support the Loongson 3A5000. Dozens of well-known domestic machine enterprises, ODM manufacturers, industry terminal developers, etc. have developed hundreds of machine solution products based on Loongson 3A5000 processor.

At the same time launched the Loongson 3A5000L, and a new generation of server processor Loongson 3C5000L, through the package integration of four 3A5000 silicon chips, the formation of 16 core processor, based on the Loongson 3C5000L four-way 64 core server, SPECCPU2006 performance score can reach 900 points or more. It fully meets the performance requirements of domestic cpus in cloud computing and data centers.

On April 15 this year, LoongArch released a completely independent instruction set architecture, from the top architecture to the instruction functions and ABI standards, are independently designed, and do not require foreign authorization. LoongArch fully considers the ecological needs, combined with the main functional characteristics of x86, ARM and other international mainstream instruction systems, to achieve cross-instruction platform application compatibility.

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