Harness CI Cloud's adoption of ARM64 architecture offers significant advantages in reducing build times by up to fivefold compared to emulation, leading to substantial cost and energy savings. With ARM64, companies can achieve up to 40% better performance per dollar and reduce cloud expenses by 35%. The ARM architecture, particularly with the introduction of Apple's M1 and M2 chips, is gaining prominence in both the PC and cloud computing markets, with major service providers offering ARM solutions. Companies like Squeaky and Aerospike have reported significant reductions in cloud spending and carbon emissions after switching to ARM-based infrastructure. Despite ARM's growing momentum, some continuous integration platforms have been slow to adopt it, but Harness CI Cloud has consistently offered ARM infrastructure. The platform encourages developers to experiment with ARM64 by providing free monthly build credits and easy integration into their development pipelines.