tiny.simd.initProcessorTopology

1pub fn init(allocator: std.mem.Allocator) std.mem.Allocator.Error!topology.Topology {2    if (comptime builtin.target.os.tag == .linux) {3        var records: [topology.max_logical_processors]topology.ProcessorRecord =4            undefined;5        const count = linux.fillRecords(&records);6        if (count == 0) return .{};7        var detected = topology.Topology.initFromRecords(8            allocator,9            records[0..count],10        ) catch |err| switch (err) {11            error.OutOfMemory => return error.OutOfMemory,12            else => return .{},13        };14        linux.fillClusterCacheSizes(&detected);15        return detected;16    }17    if (comptime builtin.target.os.tag.isDarwin()) {18        var records: [topology.max_logical_processors]topology.ProcessorRecord =19            undefined;20        const count = apple.fillRecords(&records);21        if (count == 0) return .{};22        return topology.Topology.initFromRecords(23            allocator,24            records[0..count],25        ) catch |err| switch (err) {26            error.OutOfMemory => return error.OutOfMemory,27            else => return .{},28        };29    }30    if (comptime builtin.target.os.tag == .windows) {31        var records: [topology.max_logical_processors]topology.ProcessorRecord =32            undefined;33        const count = try windows.fillRecords(allocator, &records);34        if (count == 0) return .{};35        return topology.Topology.initFromRecords(36            allocator,37            records[0..count],38        ) catch |err| switch (err) {39            error.OutOfMemory => return error.OutOfMemory,40            else => return .{},41        };42    }43    return .{};44}

1pub const initProcessorTopology = topology.init;