I have some memory- and CPU-intensive multithreaded image analysis code. In 1.8.5, on an AWS Linux system with 64 GB of RAM and 8 vCPUs, the code will run in cycles, spiking up to (for one example) 23 GB of allocated RAM and 800% CPU usage, executing in 37 min. Running the GC at the end drops memor…

Memory usage and performance differences in 1.9-rc1 vs. 1.8.5

mbauman March 16, 2023, 9:17pm 2

So by absolutely every metric, Julia 1.9 is better? That’s great.

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