Cortex-A75 and Cortex-A55 Now Supported By LLVM
Written by Michael Larabel in Compiler on 21 August 2017 at 04:56 AM EDT. 4 Comments
COMPILER --
ARM's latest big.LITTLE cores are now supported by LLVM, the Cortex A75 and A55.

The Cortex-A75 high-performance CPU is designed to deliver greater performance and efficiency over the A72/A73 processors, particularly around integer performance and floating point / memory workloads. This is currently the most powerful Cortex-A series processor. The Cortex-A55 meanwhile is designed for power efficiency and thus the "LITTLE" of the newest big.LITTLE designs. The A55 is said to deliver 18% more performance at 15% better power efficiency than the earlier A53.

Both the Cortex A75 and A55 support the ARMv8.2-A architecture. As of this morning in LLVM Git, both products are formally supported. This work will be found in LLVM 6.0.
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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 10,000 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 or contacted via MichaelLarabel.com.

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