Radix/runtimes/rocm/rocm.zig

30 lines
697 B
Zig

const builtin = @import("builtin");
const asynk = @import("async");
const pjrt = @import("pjrt");
const c = @import("c");
pub fn isEnabled() bool {
return @hasDecl(c, "ZML_RUNTIME_ROCM");
}
fn hasRocmDevices() bool {
inline for (&.{ "/dev/kfd", "/dev/dri" }) |path| {
asynk.File.access(path, .{ .mode = .read_only }) catch return false;
}
return true;
}
pub fn load() !*const pjrt.Api {
if (comptime !isEnabled()) {
return error.Unavailable;
}
if (comptime builtin.os.tag != .linux) {
return error.Unavailable;
}
if (!hasRocmDevices()) {
return error.Unavailable;
}
return try pjrt.Api.loadFrom("libpjrt_rocm.so");
}