Function elapsed_ms

app/server/runtime.cpp:187–189

        const uint32_t b0 = data[i];
        const uint32_t b1 = i + 1 < size ? data[i + 1] : 0;
        const uint32_t b2 = i + 2 < size ? data[i + 2] : 0;
        const uint32_t chunk = (b0 << 16) | (b1 << 8) | b2;
        out.push_back(kAlphabet[(chunk >> 18) & 0x3f]);
        out.push_back(kAlphabet[(chunk >> 12) & 0x3f]);
        out.push_back(i + 1 < size ? kAlphabet[(chunk >> 6) & 0x3f] : '=');
        out.push_back(i + 2 < size ? kAlphabet[chunk & 0x3f] : '=');