28 lines
644 B
Zig
28 lines
644 B
Zig
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const builtin = @import("builtin");
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const asynk = @import("async");
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const pjrt = @import("pjrt");
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const c = @import("c");
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pub fn isEnabled() bool {
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return @hasDecl(c, "ZML_RUNTIME_CUDA");
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}
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fn hasNvidiaDevice() bool {
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asynk.File.access("/dev/nvidia0", .{ .mode = .read_only }) catch return false;
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return true;
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}
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pub fn load() !*const pjrt.Api {
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if (comptime !isEnabled()) {
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return error.Unavailable;
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}
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if (comptime builtin.os.tag != .linux) {
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return error.Unavailable;
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}
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if (!hasNvidiaDevice()) {
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return error.Unavailable;
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}
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return try pjrt.Api.loadFrom("libpjrt_cuda.so");
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}
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