Initial commit

break_script/parse_csv.jl

@@ -0,0 +1,42 @@
+#!/usr/bin/env julia
+
+import CSV
+using Formatting
+
+function parse_csv(filename)
+    println("Starting parsing")
+    data = CSV.read(filename, header=0)
+    println("Parsing done")
+    plaintexts::Matrix{UInt8} = convert(Matrix{UInt8}, data[:, 1:16])
+    timings::Matrix{UInt32} = convert(Matrix{UInt32}, data[:, 17:17])
+    write_data("plaintexts.dat", plaintexts)
+    write_data("timings.dat", timings)
+end
+
+function write_data(destination, data)
+    open(destination, "w") do file
+        field_size::UInt8 = sizeof(eltype(data))
+        rows::UInt64 = size(data, 1)
+        cols::UInt64 = size(data, 2)
+        write(file, field_size);
+        write(file, rows)
+        write(file, cols)
+        write(file, data)
+    end
+end
+
+function load_file(filename, type::Type{T})::Matrix{T} where T
+    open(filename, "r") do file
+        field_size = read(file, UInt8)
+        if field_size != sizeof(T)
+            throw(ArgumentError(format("Expected type of size {:d} but passed type '{}' has size {:d}", field_size, T, sizeof(T))))
+        end
+        rows = read(file, UInt64)
+        cols = read(file, UInt64)
+        data = Matrix{T}(undef, rows, cols)
+        read!(file, data)
+        return data
+    end
+end
+
+@time parse_csv("timing.csv")