diff --git a/A1/graphs/exectime.pgf b/A1/graphs/exectime.pgf
new file mode 100644
index 0000000..989a157
--- /dev/null
+++ b/A1/graphs/exectime.pgf
@@ -0,0 +1,764 @@
+%% Creator: Matplotlib, PGF backend
+%%
+%% To include the figure in your LaTeX document, write
+%%   \input{<filename>.pgf}
+%%
+%% Make sure the required packages are loaded in your preamble
+%%   \usepackage{pgf}
+%%
+%% Figures using additional raster images can only be included by \input if
+%% they are in the same directory as the main LaTeX file. For loading figures
+%% from other directories you can use the `import` package
+%%   \usepackage{import}
+%% and then include the figures with
+%%   \import{<path to file>}{<filename>.pgf}
+%%
+%% Matplotlib used the following preamble
+%%   \usepackage{fontspec}
+%%   \setmainfont{DejaVuSerif.ttf}[Path=/usr/lib/python3.8/site-packages/matplotlib/mpl-data/fonts/ttf/]
+%%   \setsansfont{DejaVuSans.ttf}[Path=/usr/lib/python3.8/site-packages/matplotlib/mpl-data/fonts/ttf/]
+%%   \setmonofont{DejaVuSansMono.ttf}[Path=/usr/lib/python3.8/site-packages/matplotlib/mpl-data/fonts/ttf/]
+%%
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diff --git a/A1/graphs/gengraphs.py b/A1/graphs/gengraphs.py
new file mode 100755
index 0000000..769eb43
--- /dev/null
+++ b/A1/graphs/gengraphs.py
@@ -0,0 +1,24 @@
+#!/usr/bin/python
+
+import matplotlib.pyplot as plt
+import numpy as np
+from numpy import array
+import tikzplotlib
+
+plt.style.use("ggplot")
+
+def speedup(n, p = 0.8):
+    return 1.0 / (1 - p + p / n)
+
+x = array([1, 2, 4, 8, 16, 32, 48, 64])
+y = speedup(x)
+
+plt.plot(x, y, 'o-', lw = 4.0)
+plt.xlabel('Number of threads $n_{tr}$')
+plt.ylabel('Speed-up $S$')
+plt.grid(True)
+plt.savefig('exectime.pgf', format='pgf')
+
+tikzplotlib.save("theor_speedup.tex")
+
+plt.show()
diff --git a/A1/graphs/theor_speedup.tex b/A1/graphs/theor_speedup.tex
new file mode 100644
index 0000000..ef60092
--- /dev/null
+++ b/A1/graphs/theor_speedup.tex
@@ -0,0 +1,35 @@
+% This file was created by tikzplotlib v0.9.4.
+\begin{tikzpicture}
+
+\definecolor{color0}{rgb}{0.886274509803922,0.290196078431373,0.2}
+
+\begin{axis}[
+axis background/.style={fill=white!89.8039215686275!black},
+axis line style={white},
+tick align=outside,
+tick pos=left,
+x grid style={white},
+xlabel={Number of threads \(\displaystyle n_{tr}\)},
+xmajorgrids,
+xmin=-2.15, xmax=67.15,
+xtick style={color=white!33.3333333333333!black},
+y grid style={white},
+ylabel={Speed-up \(\displaystyle S\)},
+ymajorgrids,
+ymin=0.814705882352941, ymax=4.89117647058824,
+ytick style={color=white!33.3333333333333!black}
+]
+\addplot [ultra thick, color0, mark=*, mark size=3, mark options={solid}]
+table {%
+1 1
+2 1.66666666666667
+4 2.5
+8 3.33333333333333
+16 4
+32 4.44444444444445
+48 4.61538461538462
+64 4.70588235294118
+};
+\end{axis}
+
+\end{tikzpicture}