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⇱ Intel ISPC 1.30 Released With AMX Support Added To The Standard Library - Phoronix

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Intel ISPC 1.30 Released With AMX Support Added To The Standard Library

Written by Michael Larabel in Intel on 5 February 2026 at 05:00 AM EST. Add A Comment
Intel ISPC 1.30 is now available as the latest feature update to their Implicit SPMD Program Compiler as a variant of the C programming language to easily target their array of CPUs and GPUs.

The ISPC stack for this C-based Single Program Multiple Data (SPMD) programming language has added AMX support to its standard library. For helping accelerate matrix operations, Intel Advanced Matrix Extensions (AMX) support is present in ISPC's standard library. There is also a new "amx.isph" header file for the AMX additions. ISPC with AMX works on capable hardware which for now is the Sapphire Rapids through Granite Rapids CPU targets plus the upcoming Diamond Rapids.

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The Intel ISPC 1.30 release also brings performance optimizations for backward memory access patterns, sse2-i32x4 and sse2-i32x8 targets have been un-deprecated based on customer feedback, and there are various bug fixes. Among the bug fixes is addressing a 30% slowdown for some workloads when running on Apple Silicon and other ARM platforms.

Downloads and more details on the new Intel ISPC 1.30 release via GitHub.

Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via MichaelLarabel.com.