Win against who? AMD is the one that asked them to take it down: https://www.tomshardware.com/pc-components/gpus/amd-asks-developer-to-take-down-open-source-zlu

Win against who? AMD is the one that asked them to take it down: https://www.tomshardware.com/pc-components/gpus/amd-asks-developer-to-take-down-open-source-zluda-dev-vows-to-rebuild-his-project https://www.tomshardware.com/pc-components/gpus/amd-asks-dev... And while compatibility layers aren't illegal, they ordinarily have to be a cleanroom design. If AMD knew that the ZLUDA dev was decompiling CUDA drivers to reverse-engineer a translation layer, then legally they would be on very thin ice.