Inside the numbers: 100 billion ARM-based chips

Arm is pleased to announce that the Arm Intrinsics Search Engine has been updated to include the Scalable Matrix Extension (SME) intrinsics, including both SME and SME2 intrinsics.

Each year, Arm publishes updates to the A-Profile architecture alongside full Instruction Set and System Register documentation. In 2025, the update is Armv9.7-A.

Acquire fences aren’t always enough. See how LDAPR exposed unsafe interleavings and what we did to patch the problem.