IPP Convolution

I am testing the convolution using IPP.

I also tested using MKL, but it was not as fast as I thought. However, when implemented simply with IPP, incorrect results were output.

I would like the result of the link below, but please review what's wrong.

https://software.intel.com/sites/default/files/did_feeds_images/0EF01A88-F874-4ECB-B2B6-3ADC38636CD4/0EF01A88-F874-4ECB-B2B6-3ADC38636CD4-imageId=B62A36F3-9673-4469-A2A2-C62788A26EB4.jpg

    const int out_width = 5;
	const int out_height = 9;

	IppStatus status = ippStsNoErr;
	Ipp16s* pSrc1 = NULL, *pSrc2 = NULL, *pDst = NULL;			/* Pointers to source/destination images */
	int srcStep1 = 0, srcStep2 = 0, dstStep = 0;				/* Steps, in bytes, through the source/destination images */
	IppiSize dstSize = { out_width, out_height };				/* Size of destination ROI in pixels */
	IppiSize src1Size = { 3, 5 };								/* Size of destination ROI in pixels */
	IppiSize src2Size = { 3, 5 };								/* Size of destination ROI in pixels */
	int divisor = 1;											/* The integer value by which the computed result is divided */
	Ipp8u *pBuffer = NULL;										/* Pointer to the work buffer */
	int iTmpBufSize = 0;										/* Common work buffer size */
	int numChannels = 1;
	IppEnum funCfgFull = (IppEnum)(ippAlgAuto | ippiROIFull | ippiNormNone);

	pSrc2 = ippiMalloc_16s_C1(src2Size.width, src2Size.height, &srcStep2);
	pSrc1 = ippiMalloc_16s_C1(src1Size.width, src1Size.height, &srcStep1);
	pDst = ippiMalloc_16s_C1(dstSize.width, dstSize.height, &dstStep);

	do {
		status = ippiConvGetBufferSize(src1Size, src2Size, ipp16s, numChannels, funCfgFull, &iTmpBufSize);
		if (ippStsNoErr != status)
			break;
			
		pBuffer = ippsMalloc_8u(iTmpBufSize);

		pSrc2[0] = pSrc1[0] = 1;
		pSrc2[1] = pSrc1[1] = 1;
		pSrc2[2] = pSrc1[2] = 1;
		pSrc2[3] = pSrc1[3] = 1;
		pSrc2[4] = pSrc1[4] = 0;
		pSrc2[5] = pSrc1[5] = 0;
		pSrc2[6] = pSrc1[6] = 1;
		pSrc2[7] = pSrc1[7] = 1;
		pSrc2[8] = pSrc1[8] = 1;
		pSrc2[9] = pSrc1[9] = 0;
		pSrc2[10] = pSrc1[10] = 0;
		pSrc2[11] = pSrc1[11] = 1;
		pSrc2[12] = pSrc1[12] = 1;
		pSrc2[13] = pSrc1[13] = 1;
		pSrc2[14] = pSrc1[14] = 1;

		status = ippiConv_16s_C1R(pSrc1, srcStep1, src1Size, pSrc2, srcStep2, src2Size, pDst, dstStep, divisor, funCfgFull, pBuffer);
		if (ippStsNoErr != status)
			break;
		
		for (int j = 0; j < out_height; j++) {
			for (int i = 0; i < out_width; i++) {
				cout << pDst[i + j*out_width] << "";
			}
			cout << endl;
		}
	} while (false);

	ippsFree(pBuffer);
	ippiFree(pSrc1);
	ippiFree(pSrc2);
	ippiFree(pDst);