fix: guard memory operations before model setup #80

Job	Run time
linux-arm64-local build + test	2m 44s
linux-arm64-full build + test	2m 57s
linux-musl-x86_64-local build + test	4m 9s
linux-x86_64-remote build + test	1m 28s
linux-musl-x86_64-remote build + test	1m 34s
linux-x86_64-full build + test	2m 44s
macos-x86_64-local build	2m 27s
linux-arm64-remote build + test	1m 37s
linux-x86_64-local build + test	2m 33s
linux-musl-arm64-full build + test	3m 18s
macos-x86_64-full build	2m 17s
android-arm64-v8a-remote build	1m 6s
linux-musl-arm64-local build + test	3m 4s
linux-musl-arm64-remote build + test	1m 19s
android-arm64-v8a-local build	1m 43s
android-armeabi-v7a-remote build	46s
macos-full build + test	2m 21s
android-x86_64-full build + test	4m 54s
android-x86_64-remote build + test	2m 48s
ios-sim-remote build	1m 55s
linux-musl-x86_64-full build + test	4m 33s
windows-x86_64-local build + test	4m 56s
macos-arm64-remote build + test	1m 41s
windows-x86_64-full build + test	9m 44s
apple-xcframework build	20m 12s
windows-x86_64-remote build + test	7m 29s
ios-local build	2m 18s
android-x86_64-local build + test	4m 35s
ios-sim-full build	3m 53s
ios-remote build	1m 21s
macos-arm64-full build + test	3m 1s
ios-sim-local build	3m 7s
macos-x86_64-remote build	1m 37s
android-arm64-v8a-full build	2m 55s
macos-remote build + test	1m 52s
android-aar build	9m 3s
macos-arm64-local build + test	2m 35s
macos-local build + test	3m 2s
ios-full build	2m 50s
release	54s
	2h 19m 22s

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