Add hostcalls for device-to-host services - #3243

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Commits on Sep 14, 2026

Add the device-side hostcall protocol.
maleadt
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b99bf82
Add the hostcall host service.
maleadt
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9345c5f
Integrate hostcalls with compilation and kernel launches.
maleadt
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65a1b8f
Report device exceptions through hostcall packets.
maleadt
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01bb183
Identify and invoke hostcall targets using Julia's runtime.
maleadt
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38a6c1d
Document hostcall APIs and exception reporting.
maleadt
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4ea6410
Preserve test failures when GPU timing fails.
maleadt
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d58e425
Pack hostcall arguments before passing them to the transport.
maleadt
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3a78f04
Keep the hostcall state accessors out of the global method table.
maleadt
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ec11a8a
Check hostcall port-lock scope in LLVM IR.
maleadt
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45c3539
Share launch setup across kernel signatures.
maleadt
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587bbba