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| 477 | <span·class="gp">···....:·</span> | 477 | <span·class="gp">···....:·</span> |
| 478 | <span·class="gp">In·[17]:·</span><span·class="n">a</span>·<span·class="o">=</span>·<span·class="mi">1</span>·<span·class="o">*</span>·<span·class="n">ureg</span><span·class="o">.</span><span·class="n">meter</span> | 478 | <span·class="gp">In·[17]:·</span><span·class="n">a</span>·<span·class="o">=</span>·<span·class="mi">1</span>·<span·class="o">*</span>·<span·class="n">ureg</span><span·class="o">.</span><span·class="n">meter</span> |
| 479 | <span·class="gp">In·[18]:·</span><span·class="n">b</span>·<span·class="o">=</span>·<span·class="mi">1</span>·<span·class="o">*</span>·<span·class="n">ureg</span><span·class="o">.</span><span·class="n">centimeter</span> | 479 | <span·class="gp">In·[18]:·</span><span·class="n">b</span>·<span·class="o">=</span>·<span·class="mi">1</span>·<span·class="o">*</span>·<span·class="n">ureg</span><span·class="o">.</span><span·class="n">centimeter</span> |
| 480 | <span·class="gp">In·[19]:·</span><span·class="o">%</span><span·class="k">timeit</span>·f(a,·b) | 480 | <span·class="gp">In·[19]:·</span><span·class="o">%</span><span·class="k">timeit</span>·f(a,·b) |
| 481 | <span·class="go"> | 481 | <span·class="go">212·us·+-·761·ns·per·loop·(mean·+-·std.·dev.·of·7·runs,·1,000·loops·each)</span> |
| 482 | <span·class="gp">In·[20]:·</span><span·class="o">%</span><span·class="k">timeit</span>·g(a,·b) | 482 | <span·class="gp">In·[20]:·</span><span·class="o">%</span><span·class="k">timeit</span>·g(a,·b) |
| 483 | <span·class="go"> | 483 | <span·class="go">25.1·us·+-·79.3·ns·per·loop·(mean·+-·std.·dev.·of·7·runs,·10,000·loops·each)</span> |
| 484 | </pre></div> | 484 | </pre></div> |
| 485 | </div> | 485 | </div> |
| 486 | </section> | 486 | </section> |
| 487 | <section·id="speed-up-registry-instantiation"> | 487 | <section·id="speed-up-registry-instantiation"> |
| 488 | <h2>Speed·up·registry·instantiation<a·class="headerlink"·href="#speed-up-registry-instantiation"·title="Link·to·this·heading">¶</a></h2> | 488 | <h2>Speed·up·registry·instantiation<a·class="headerlink"·href="#speed-up-registry-instantiation"·title="Link·to·this·heading">¶</a></h2> |
| 489 | <p>When·the·registry·is·instantiated,·the·definition·file·is·parsed,·loaded·and | 489 | <p>When·the·registry·is·instantiated,·the·definition·file·is·parsed,·loaded·and |
| 490 | some·pre-calculations·are·made·to·speed-up·certain·common·operations.·This | 490 | some·pre-calculations·are·made·to·speed-up·certain·common·operations.·This |
| Offset 120, 18 lines modified | Offset 120, 18 lines modified | ||
| 120 | ···....: | 120 | ···....: |
| 121 | In·[17]:·a·=·1·*·ureg.meter | 121 | In·[17]:·a·=·1·*·ureg.meter |
| 122 | In·[18]:·b·=·1·*·ureg.centimeter | 122 | In·[18]:·b·=·1·*·ureg.centimeter |
| 123 | In·[19]:·%timeit·f(a,·b) | 123 | In·[19]:·%timeit·f(a,·b) |
| 124 | 124 | 212·us·+-·761·ns·per·loop·(mean·+-·std.·dev.·of·7·runs,·1,000·loops·each) | |
| 125 | In·[20]:·%timeit·g(a,·b) | 125 | In·[20]:·%timeit·g(a,·b) |
| 126 | 126 | 25.1·us·+-·79.3·ns·per·loop·(mean·+-·std.·dev.·of·7·runs,·10,000·loops·each) | |
| 127 | *\x8**\x8**\x8**\x8**\x8*·S\x8Sp\x8pe\x8ee\x8ed\x8d·u\x8up\x8p·r\x8re\x8eg\x8gi\x8is\x8st\x8tr\x8ry\x8y·i\x8in\x8ns\x8st\x8ta\x8an\x8nt\x8ti\x8ia\x8at\x8ti\x8io\x8on\x8n_\x8?\x8¶·*\x8**\x8**\x8**\x8**\x8* | 127 | *\x8**\x8**\x8**\x8**\x8*·S\x8Sp\x8pe\x8ee\x8ed\x8d·u\x8up\x8p·r\x8re\x8eg\x8gi\x8is\x8st\x8tr\x8ry\x8y·i\x8in\x8ns\x8st\x8ta\x8an\x8nt\x8ti\x8ia\x8at\x8ti\x8io\x8on\x8n_\x8?\x8¶·*\x8**\x8**\x8**\x8**\x8* |
| 128 | When·the·registry·is·instantiated,·the·definition·file·is·parsed,·loaded·and | 128 | When·the·registry·is·instantiated,·the·definition·file·is·parsed,·loaded·and |
| 129 | some·pre-calculations·are·made·to·speed-up·certain·common·operations.·This | 129 | some·pre-calculations·are·made·to·speed-up·certain·common·operations.·This |
| 130 | process·can·be·time·consuming·for·a·large·definition·file·such·as·the·default | 130 | process·can·be·time·consuming·for·a·large·definition·file·such·as·the·default |
| 131 | one·(and·very·comprehensive)·provided·with·pint.·This·can·have·a·significant | 131 | one·(and·very·comprehensive)·provided·with·pint.·This·can·have·a·significant |
| 132 | impact·in·command·line·applications·that·create·and·drop·registries. | 132 | impact·in·command·line·applications·that·create·and·drop·registries. |
| 133 | Since·version·0.19,·part·of·this·process·can·be·cached·resulting·in·a·5x·to·20x | 133 | Since·version·0.19,·part·of·this·process·can·be·cached·resulting·in·a·5x·to·20x |
| Offset 585, 17 lines modified | Offset 585, 18 lines modified | ||
| 585 | ········"log":·[5,·13,·14,·30], | 585 | ········"log":·[5,·13,·14,·30], |
| 586 | ········"16":·[5,·26,·30], | 586 | ········"16":·[5,·26,·30], |
| 587 | ········"none":·[5,·8,·9,·10,·12,·13,·26,·32], | 587 | ········"none":·[5,·8,·9,·10,·12,·13,·26,·32], |
| 588 | ········"17":·[5,·26,·30], | 588 | ········"17":·[5,·26,·30], |
| 589 | ········"18":·[5,·26,·30], | 589 | ········"18":·[5,·26,·30], |
| 590 | ········"b":·[5,·8,·9,·24], | 590 | ········"b":·[5,·8,·9,·24], |
| 591 | ········"19":·[5,·24,·26], | 591 | ········"19":·[5,·24,·26], |
| 592 | ········" | 592 | ········"212":·5, |
| 593 | ········" | 593 | ········"761":·[5,·13], |
| 594 | ········"25":·[5,·21,·26,·29], | ||
| 594 | ········" | 595 | ········"79":·[5,·15], |
| 595 | ········"definit":·[5,·7,·9,·10,·13,·19,·21,·23,·29,·32], | 596 | ········"definit":·[5,·7,·9,·10,·13,·19,·21,·23,·29,·32], |
| 596 | ········"file":·[5,·7,·9,·10,·13,·14,·19,·29,·30,·32], | 597 | ········"file":·[5,·7,·9,·10,·13,·14,·19,·29,·30,·32], |
| 597 | ········"pre":·[5,·8,·13,·14,·24], | 598 | ········"pre":·[5,·8,·13,·14,·24], |
| 598 | ········"made":·5, | 599 | ········"made":·5, |
| 599 | ········"common":·[5,·7,·13,·14,·23,·27,·30], | 600 | ········"common":·[5,·7,·13,·14,·23,·27,·30], |
| 600 | ········"process":·[5,·7,·19,·22], | 601 | ········"process":·[5,·7,·19,·22], |
| 601 | ········"consum":·5, | 602 | ········"consum":·5, |
| Offset 23, 18 lines modified | Offset 23, 18 lines modified | ||
| 23 | ············] | 23 | ············] |
| 24 | ········}, | 24 | ········}, |
| 25 | ········{ | 25 | ········{ |
| 26 | ············"cell_type":·"code", | 26 | ············"cell_type":·"code", |
| 27 | ············"execution_count":·1, | 27 | ············"execution_count":·1, |
| 28 | ············"metadata":·{ | 28 | ············"metadata":·{ |
| 29 | ················"execution":·{ | 29 | ················"execution":·{ |
| 30 | ····················"iopub.execute_input":·"202 | 30 | ····················"iopub.execute_input":·"2025-06-12T02:49:55.221302Z", |
| 31 | ····················"iopub.status.busy":·"202 | 31 | ····················"iopub.status.busy":·"2025-06-12T02:49:55.220628Z", |
| 32 | ····················"iopub.status.idle":·"202 | 32 | ····················"iopub.status.idle":·"2025-06-12T02:49:55.564553Z", |
| 33 | ····················"shell.execute_reply":·"202 | 33 | ····················"shell.execute_reply":·"2025-06-12T02:49:55.563625Z" |
| 34 | ················}, | 34 | ················}, |
| 35 | ················"pycharm":·{ | 35 | ················"pycharm":·{ |
| 36 | ····················"name":·"#%%\n" | 36 | ····················"name":·"#%%\n" |
| 37 | ················} | 37 | ················} |
| 38 | ············}, | 38 | ············}, |
| 39 | ············"outputs":·[ | 39 | ············"outputs":·[ |
| 40 | ················{ | 40 | ················{ |