Function MIDOUT_BEGIN

dnn/src/fallback/convolution/run_conv.cpp:222–225

                src, filter, dst, IH, IW, FH, FW, OH, OW, PH, PW, SH, SW, add_mode);
    } else {
        MIDOUT_BEGIN(megdnn_fallback_conv, void) {
            run_xcorr_single_channel_nontemplated(
                    src, filter, dst, IH, IW, FH, FW, OH, OW, PH, PW, SH, SW, add_mode);
        }
        MIDOUT_END();
    }
}