Introduce matrix serialization and deserialization
diff --git a/datok_test.go b/datok_test.go
index 1ebb167..4b4bd1e 100644
--- a/datok_test.go
+++ b/datok_test.go
@@ -1008,3 +1008,8 @@
// BenchmarkTransduce-4 37105 27714 ns/op 8240 B/op 3 allocs/op
// BenchmarkToDoubleArray-4 76600 15973 ns/op 10703 B/op 29 allocs/op
// BenchmarkToDoubleArrayLarger-4 21 55161934 ns/op 6357889 B/op 2578 allocs/op
+// 2021-09-30 - Go 1.17.1
+// BenchmarkTransduce-4 47222 25962 ns/op 8240 B/op 3 allocs/op
+// BenchmarkToDoubleArray-4 69192 17355 ns/op 10704 B/op 29 allocs/op
+// BenchmarkToDoubleArrayLarger-4 16 65042885 ns/op 6357794 B/op 2576 allocs/op
+// BenchmarkTransduceMatrix-4 45404 25156 ns/op 8240 B/op 3 allocs/op