
On December 20, an Intel spokesperson informed Tom's Hardware that the company has decided to pivot away from its x86S initiative. The full statement reads:
"We remain committed to the advancement of the x86 architecture, as evidenced by the formation of the x86 Ecosystem Advisory Panel in collaboration with AMD and other industry leaders. This effort underscores our dedication to ensuring a strong future for the x86 architecture, built on decades of software compatibility.
While we have pivoted away from the x86S initiative, our focus remains on driving innovation and collaboration within the x86 ecosystem."
Introduced by Intel in 2023, the x86S concept aimed to streamline x86 processors by transitioning to a "pure 64-bit" architecture. This shift sought to shed the historical burden of maintaining compatibility with legacy instructions and architectures, thereby enhancing the efficiency of future x86 processors. The initiative reached version 1.2 in June 2024.
However, given the nature of the x86 ecosystem and licensing model, substantial changes to the instruction set architecture would require collaboration between both x86 giants, Intel and AMD, making unilateral adjustments challenging.
To address these challenges, Intel and AMD announced the formation of the x86 Ecosystem Advisory Panel on October 16, 2023. Founding members include Broadcom, Dell, Google, HPE, HP, Lenovo, Meta, Microsoft, Oracle, and Red Hat.
The advisory panel aims to unite industry leaders to shape the future of the x86 architecture. It seeks to foster innovation among developers through a more unified instruction set and architectural interface. One of its goals is to simplify architecture guidelines, improving software consistency and interface performance across Intel and AMD's x86 product lines.
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