Make markdown table from opencv perf test results. It is used in https://github.com/opencv/opencv/pull/24694 and https://github.com/opencv/opencv/pull/23897.

make_table.py

'''

| Configuration               | Gemm | InnerProduct |
| -                           | -    | -            |
| A=, B=, C=, transA=, transB=| -    | -            |

'''

import argparse

parser = argparse.ArgumentParser()
parser.add_argument("--log", "-l", default="m1.log", required=True)
parser.add_argument("--no_header", action="store_true")
args = parser.parse_args()

configs = []
means = []
with open(args.log, "r") as f:
    lines = f.readlines()
    for i, line in enumerate(lines):
        line = line.strip()
        if line.find("GetParam") != -1 and line.endswith("OCV/CPU)"):
            start = line.find("A=[")
            end = line.find(", OCV/CPU)")
            configs.append(line[start:end])

            next_line = lines[i+1]
            if next_line.find("samples") != -1:
                start = next_line.find("mean=")
                end = next_line.find("median=")
                num = next_line[start+5:end].strip()
                means.append(float(num))

print(len(configs), len(means))

half = int(len(means) / 2)
platform = args.log[:-4]
if args.no_header:
    print(" Gemm-{:s} | InnerProduct-{:s} |".format(platform, platform))
    print(" - | - |")
    for i in range(half):
        if means[i] <= means[i+half]:
            print(" **{:.2f}** | {:.2f} |".format(means[i], means[i+half]))
        else:
            print(" {:.2f} | **{:.2f}** |".format(means[i], means[i+half]))
else:
    print("| Configuration | Gemm-{:s} | InnerProduct-{:s} |".format(platform, platform))
    print("| - | - | - |")
    for i in range(half):
        if (means[i] <= means[i+half]):
            print("| {:s} | **{:.2f}** | {:.2f} | ".format(configs[i], means[i], means[i+half]))
        else:
            print("| {:s} | {:.2f} | **{:.2f}** | ".format(configs[i], means[i], means[i+half]))