From aa362403f46848c4377ffa9702008e6a2d5f876e Mon Sep 17 00:00:00 2001 From: Vladimir Sementsov-Ogievskiy Date: Wed, 21 Oct 2020 17:58:57 +0300 Subject: simplebench/results_to_text: add difference line to the table Performance improvements / degradations are usually discussed in percentage. Let's make the script calculate it for us. Signed-off-by: Vladimir Sementsov-Ogievskiy Message-Id: <20201021145859.11201-20-vsementsov@virtuozzo.com> Reviewed-by: Max Reitz [mreitz: 'seconds' instead of 'secs'] Signed-off-by: Max Reitz --- scripts/simplebench/results_to_text.py | 67 ++++++++++++++++++++++++++++++---- 1 file changed, 60 insertions(+), 7 deletions(-) diff --git a/scripts/simplebench/results_to_text.py b/scripts/simplebench/results_to_text.py index 479f7ac1d4..e46940fdf2 100644 --- a/scripts/simplebench/results_to_text.py +++ b/scripts/simplebench/results_to_text.py @@ -17,6 +17,10 @@ # import math +import tabulate + +# We want leading whitespace for difference row cells (see below) +tabulate.PRESERVE_WHITESPACE = True def format_value(x, stdev): @@ -39,21 +43,70 @@ def result_to_text(result): return 'FAILED' -def results_to_text(results): - """Return text representation of bench() returned dict.""" - from tabulate import tabulate - +def results_dimension(results): dim = None - tab = [[""] + [c['id'] for c in results['envs']]] for case in results['cases']: - row = [case['id']] for env in results['envs']: res = results['tab'][case['id']][env['id']] if dim is None: dim = res['dimension'] else: assert dim == res['dimension'] + + assert dim in ('iops', 'seconds') + + return dim + + +def results_to_text(results): + """Return text representation of bench() returned dict.""" + n_columns = len(results['envs']) + named_columns = n_columns > 2 + dim = results_dimension(results) + tab = [] + + if named_columns: + # Environment columns are named A, B, ... + tab.append([''] + [chr(ord('A') + i) for i in range(n_columns)]) + + tab.append([''] + [c['id'] for c in results['envs']]) + + for case in results['cases']: + row = [case['id']] + case_results = results['tab'][case['id']] + for env in results['envs']: + res = case_results[env['id']] row.append(result_to_text(res)) tab.append(row) - return f'All results are in {dim}\n\n' + tabulate(tab) + # Add row of difference between columns. For each column starting from + # B we calculate difference with all previous columns. + row = ['', ''] # case name and first column + for i in range(1, n_columns): + cell = '' + env = results['envs'][i] + res = case_results[env['id']] + + if 'average' not in res: + # Failed result + row.append(cell) + continue + + for j in range(0, i): + env_j = results['envs'][j] + res_j = case_results[env_j['id']] + cell += ' ' + + if 'average' not in res_j: + # Failed result + cell += '--' + continue + + col_j = tab[0][j + 1] if named_columns else '' + diff_pr = round((res['average'] - res_j['average']) / + res_j['average'] * 100) + cell += f' {col_j}{diff_pr:+}%' + row.append(cell) + tab.append(row) + + return f'All results are in {dim}\n\n' + tabulate.tabulate(tab) -- cgit v1.2.3-55-g7522