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test: fix problem with plot labels overlapping for large number of benchmarks

This commit is contained in:
Jędrzej Boczar 2020-02-07 09:45:43 +01:00
parent 77541c3670
commit 2825c080a9
1 changed files with 12 additions and 4 deletions
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16
test/run_benchmarks.py
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@ -362,21 +362,29 @@ class ResultsSummary:
if backend != 'Agg':
plt.show()
def plot_df(self, title, df, column, save_format='png', save_filename=None):
def plot_df(self, title, df, column, fig_width=6.4, fig_min_height=2.2, save_format='png', save_filename=None):
if save_filename is None:
save_filename = os.path.join(self.plots_dir, title.lower().replace(' ', '_'))
axis = df.plot(kind='barh', x='name', y=column, title=title, grid=True, legend=False)
fig = axis.get_figure()
if column in self.plot_xticks_formatters:
axis.xaxis.set_major_formatter(self.plot_xticks_formatters[column])
axis.xaxis.set_tick_params(rotation=15)
axis.spines['top'].set_visible(False)
axis.spines['right'].set_visible(False)
axis.set_axisbelow(True)
axis.set_ylabel('') # no need for label as we have only one series
# # force xmax to 100%
# if column in ['write_efficiency', 'read_efficiency']:
# axis.set_xlim(right=1.0)
# for large number of rows, the bar labels start overlapping
# use fixed ratio between number of rows and height of figure
n_ok = 16
new_height = (fig_width / n_ok) * len(df)
fig.set_size_inches(fig_width, max(fig_min_height, new_height))
# remove empty spaces
fig.tight_layout()
return axis