Function BMK_syntheticTest

freebsd/contrib/zstd/programs/benchzstd.c:691–723

}

BMK_benchOutcome_t BMK_syntheticTest(int cLevel, double compressibility,
                          const ZSTD_compressionParameters* compressionParams,
                          int displayLevel, const BMK_advancedParams_t* adv)
{
    char name[20] = {0};
    size_t const benchedSize = 10000000;
    void* srcBuffer;
    BMK_benchOutcome_t res;

    if (cLevel > ZSTD_maxCLevel()) {
        RETURN_ERROR(15, BMK_benchOutcome_t, "Invalid Compression Level");
    }

    /* Memory allocation */
    srcBuffer = malloc(benchedSize);
    if (!srcBuffer) RETURN_ERROR(21, BMK_benchOutcome_t, "not enough memory");

    /* Fill input buffer */
    RDG_genBuffer(srcBuffer, benchedSize, compressibility, 0.0, 0);

    /* Bench */
    snprintf (name, sizeof(name), "Synthetic %2u%%", (unsigned)(compressibility*100));
    res = BMK_benchCLevel(srcBuffer, benchedSize,
                    &benchedSize /* ? */, 1 /* ? */,
                    cLevel, compressionParams,
                    NULL, 0,  /* dictionary */
                    displayLevel, name, adv);

    /* clean up */
    free(srcBuffer);

    return res;
}