{"id":2480,"date":"2025-01-07T16:45:16","date_gmt":"2025-01-07T08:45:16","guid":{"rendered":"https:\/\/sanlangcode.com\/?p=2480"},"modified":"2025-01-07T16:45:16","modified_gmt":"2025-01-07T08:45:16","slug":"%e5%b8%b8%e8%a7%81c-%e6%93%8d%e4%bd%9c%e6%9b%bf%e6%8d%a2-intel-ipp-%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/sanlangcode.com\/index.php\/2025\/01\/07\/%e5%b8%b8%e8%a7%81c-%e6%93%8d%e4%bd%9c%e6%9b%bf%e6%8d%a2-intel-ipp-%e5%87%bd%e6%95%b0\/","title":{"rendered":"\u5e38\u89c1C++ \u64cd\u4f5c\u66ff\u6362 Intel IPP \u51fd\u6570"},"content":{"rendered":"\n<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684 C++ \u64cd\u4f5c\uff0c\u5206\u522b\u7ed9\u51fa\u66ff\u6362\u524d\u540e\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u5c06\u8fd9\u4e9b\u64cd\u4f5c\u66ff\u6362\u4e3a Intel IPP \u51fd\u6570\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>1. \u77e2\u91cf\u52a0\u6cd5<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u524d\u7684 C++ \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>void vectorAdd(const float* a, const float* b, float* c, int size) {\n    for (int i = 0; i &lt; size; i++) {\n        c&#91;i] = a&#91;i] + b&#91;i];\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u540e\u7684 IPP \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;ipp.h&gt;\n\nvoid vectorAdd(const float* a, const float* b, float* c, int size) {\n    ippsAdd_32f(a, b, c, size);  \/\/ \u4f7f\u7528IPP\u63d0\u4f9b\u7684\u52a0\u6cd5\u51fd\u6570\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2. \u77e9\u9635\u4e58\u6cd5<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u524d\u7684 C++ \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>void matrixMultiply(const float* A, const float* B, float* C, int N) {\n    for (int i = 0; i &lt; N; i++) {\n        for (int j = 0; j &lt; N; j++) {\n            C&#91;i * N + j] = 0;\n            for (int k = 0; k &lt; N; k++) {\n                C&#91;i * N + j] += A&#91;i * N + k] * B&#91;k * N + j];\n            }\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u540e\u7684 IPP \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;ippm.h&gt;\n\nvoid matrixMultiply(const float* A, const float* B, float* C, int N) {\n    IppStatus status = ippmMul_mm_32f(A, N, 1, B, N, 1, C, N, N, N, N);  \/\/ \u4f7f\u7528IPP\u77e9\u9635\u4e58\u6cd5\n    if (status != ippStsNoErr) {\n        printf(\"IPP matrix multiplication failed\\n\");\n    }\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3. \u5377\u79ef\u8fd0\u7b97<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u524d\u7684 C++ \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>void convolution(const float* signal, const float* kernel, float* output, int signalSize, int kernelSize) {\n    for (int i = 0; i &lt; signalSize - kernelSize + 1; i++) {\n        output&#91;i] = 0;\n        for (int j = 0; j &lt; kernelSize; j++) {\n            output&#91;i] += signal&#91;i + j] * kernel&#91;j];\n        }\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u540e\u7684 IPP \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;ipps.h&gt;\n\nvoid convolution(const float* signal, const float* kernel, float* output, int signalSize, int kernelSize) {\n    ippsConv_32f(signal, kernel, output, signalSize, kernelSize);  \/\/ \u4f7f\u7528IPP\u63d0\u4f9b\u7684\u5377\u79ef\u51fd\u6570\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4. \u8ba1\u7b97\u5411\u91cf\u7684\u5747\u503c<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u524d\u7684 C++ \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>float computeMean(const float* arr, int size) {\n    float sum = 0;\n    for (int i = 0; i &lt; size; i++) {\n        sum += arr&#91;i];\n    }\n    return sum \/ size;\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u540e\u7684 IPP \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;ipps.h&gt;\n\nfloat computeMean(const float* arr, int size) {\n    float mean;\n    ippsMean_32f(arr, size, &amp;mean);  \/\/ \u4f7f\u7528IPP\u8ba1\u7b97\u5747\u503c\n    return mean;\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5. \u6c42\u5411\u91cf\u7684\u6807\u51c6\u5dee<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u524d\u7684 C++ \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>float computeStdDev(const float* arr, int size) {\n    float mean = computeMean(arr, size);\n    float sumSquares = 0;\n    for (int i = 0; i &lt; size; i++) {\n        sumSquares += (arr&#91;i] - mean) * (arr&#91;i] - mean);\n    }\n    return sqrt(sumSquares \/ size);\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u540e\u7684 IPP \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;ipps.h&gt;\n\nfloat computeStdDev(const float* arr, int size) {\n    float stdDev;\n    ippsStdDev_32f(arr, size, &amp;stdDev);  \/\/ \u4f7f\u7528IPP\u8ba1\u7b97\u6807\u51c6\u5dee\n    return stdDev;\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6. \u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\uff08FFT\uff09<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u524d\u7684 C++ \u4ee3\u7801<\/strong>\uff08FFT \u793a\u4f8b\uff09\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>void fft(const float* in, float* out, int N) {\n    \/\/ \u5b9e\u73b0FFT\u7b97\u6cd5\uff08\u7565\uff09\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u540e\u7684 IPP \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;ipps.h&gt;\n\nvoid fft(const float* in, float* out, int N) {\n    ippsFFT_32f(in, out, N);  \/\/ \u4f7f\u7528IPP\u8fdb\u884c\u5feb\u901f\u5085\u91cc\u53f6\u53d8\u6362\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7. \u56fe\u50cf\u7f29\u653e<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u524d\u7684 C++ \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>void resizeImage(const unsigned char* src, unsigned char* dst, int srcWidth, int srcHeight, int dstWidth, int dstHeight) {\n    \/\/ \u5b9e\u73b0\u56fe\u50cf\u7f29\u653e\u7b97\u6cd5\uff08\u7565\uff09\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u540e\u7684 IPP \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;ippi.h&gt;\n\nvoid resizeImage(const unsigned char* src, unsigned char* dst, int srcWidth, int srcHeight, int dstWidth, int dstHeight) {\n    IppiSize srcSize = {srcWidth, srcHeight};\n    IppiSize dstSize = {dstWidth, dstHeight};\n    ippiResize_8u_C1R(src, srcWidth, dst, dstWidth, srcSize, dstSize, ippBorderSizeNoExtend, 0);  \/\/ \u4f7f\u7528IPP\u8fdb\u884c\u56fe\u50cf\u7f29\u653e\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>8. \u5411\u91cf\u7edd\u5bf9\u503c<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u524d\u7684 C++ \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>void vectorAbs(const float* a, float* b, int size) {\n    for (int i = 0; i &lt; size; i++) {\n        b&#91;i] = fabs(a&#91;i]);\n    }\n}\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\"><strong>\u66ff\u6362\u540e\u7684 IPP \u4ee3\u7801<\/strong>\uff1a<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;ipps.h&gt;\n\nvoid vectorAbs(const float* a, float* b, int size) {\n    ippsAbs_32f(a, b, size);  \/\/ \u4f7f\u7528IPP\u8ba1\u7b97\u5411\u91cf\u7edd\u5bf9\u503c\n}\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\u603b\u7ed3\uff1a<\/h3>\n\n\n\n<p>\u5728\u4ee5\u4e0a\u4f8b\u5b50\u4e2d\uff0c\u901a\u8fc7\u8c03\u7528 Intel IPP \u7684\u9ad8\u6548\u51fd\u6570\uff0c\u53ef\u4ee5\u5927\u5e45\u5ea6\u63d0\u5347\u6027\u80fd\uff0c\u5c24\u5176\u662f\u5728\u5904\u7406\u5927\u6570\u636e\u91cf\u65f6\u3002\u4f7f\u7528 IPP \u51fd\u6570\u65f6\uff1a<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li><strong>\u6570\u636e\u7c7b\u578b<\/strong>\uff1a\u786e\u4fdd\u4f20\u9012\u7ed9 IPP \u51fd\u6570\u7684\u6570\u636e\u7c7b\u578b\u4e0e\u5176\u8981\u6c42\u76f8\u7b26\uff08\u5982 <code>Ipp32f<\/code>\u3001<code>Ipp8u<\/code>\uff09\u3002<\/li><li><strong>\u9519\u8bef\u5904\u7406<\/strong>\uff1a\u68c0\u67e5 IPP \u51fd\u6570\u7684\u8fd4\u56de\u72b6\u6001\uff08\u5982 <code>IppStatus<\/code>\uff09\u6765\u786e\u4fdd\u6b63\u786e\u6267\u884c\u3002<\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\u4e0b\u9762\u662f\u4e00\u4e9b\u5e38\u89c1\u7684 C++ \u64cd\u4f5c\uff0c&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[45,47,4],"tags":[],"class_list":["post-2480","post","type-post","status-publish","format-standard","hentry","category-c-2","category-cuda","category-4"],"_links":{"self":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts\/2480","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/comments?post=2480"}],"version-history":[{"count":0,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts\/2480\/revisions"}],"wp:attachment":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/media?parent=2480"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/categories?post=2480"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/tags?post=2480"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}