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<img src="" class="logo" alt=""><h1>Performance benefit by using compiled model definitions in mkin</h1> + + <h1>Performance benefit by using compiled model definitions in mkin</h1> <h4 data-toc-skip class="author">Johannes Ranke</h4> - <h4 data-toc-skip class="date">2023-11-16</h4> + <h4 data-toc-skip class="date">2025-02-13</h4> <small class="dont-index">Source: <a href="https://github.com/jranke/mkin/blob/HEAD/vignettes/web_only/compiled_models.rmd" class="external-link"><code>vignettes/web_only/compiled_models.rmd</code></a></small> <div class="d-none name"><code>compiled_models.rmd</code></div> @@ -175,10 +161,10 @@ solution is also implemented, which is included in the tests below.</p> <span> <span class="fu"><a href="https://rdrr.io/r/base/print.html" class="external-link">print</a></span><span class="op">(</span><span class="st">"R package rbenchmark is not available"</span><span class="op">)</span></span> <span><span class="op">}</span></span></code></pre></div> <pre><code><span><span class="co">## test replications relative elapsed</span></span> -<span><span class="co">## 4 analytical 1 1.000 0.109</span></span> -<span><span class="co">## 3 deSolve, compiled 1 1.284 0.140</span></span> -<span><span class="co">## 2 Eigenvalue based 1 1.670 0.182</span></span> -<span><span class="co">## 1 deSolve, not compiled 1 21.927 2.390</span></span></code></pre> +<span><span class="co">## 4 analytical 1 1.000 0.105</span></span> +<span><span class="co">## 3 deSolve, compiled 1 1.333 0.140</span></span> +<span><span class="co">## 2 Eigenvalue based 1 1.667 0.175</span></span> +<span><span class="co">## 1 deSolve, not compiled 1 22.486 2.361</span></span></code></pre> <p>We see that using the compiled model is by more than a factor of 10 faster than using deSolve without compiled code.</p> </div> @@ -209,38 +195,36 @@ compiled code is available.</p> <span><span class="op">}</span></span></code></pre></div> <pre><code><span><span class="co">## Temporary DLL for differentials generated and loaded</span></span></code></pre> <pre><code><span><span class="co">## test replications relative elapsed</span></span> -<span><span class="co">## 2 deSolve, compiled 1 1.000 0.181</span></span> -<span><span class="co">## 1 deSolve, not compiled 1 23.646 4.280</span></span></code></pre> +<span><span class="co">## 2 deSolve, compiled 1 1.000 0.175</span></span> +<span><span class="co">## 1 deSolve, not compiled 1 23.937 4.189</span></span></code></pre> <p>Here we get a performance benefit of a factor of 24 using the version of the differential equation model compiled from C code!</p> -<p>This vignette was built with mkin 1.2.6 on</p> -<pre><code><span><span class="co">## R version 4.3.2 (2023-10-31)</span></span> -<span><span class="co">## Platform: x86_64-pc-linux-gnu (64-bit)</span></span> +<p>This vignette was built with mkin 1.2.9 on</p> +<pre><code><span><span class="co">## R version 4.4.2 (2024-10-31)</span></span> +<span><span class="co">## Platform: x86_64-pc-linux-gnu</span></span> <span><span class="co">## Running under: Debian GNU/Linux 12 (bookworm)</span></span></code></pre> <pre><code><span><span class="co">## CPU model: AMD Ryzen 9 7950X 16-Core Processor</span></span></code></pre> </div> - 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