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Makearray slows down excel considerably

Our take

In the pursuit of optimizing Excel workflows, many users, like Nikolaisme, have turned to innovative functions like MAKEARRAY. However, this exploration revealed a significant downside: performance lags that hinder productivity. After attempting to replace traditional methods with dynamic array formulas, it became clear that the spill array feature can inadvertently slow down calculations, even during simple actions like deleting blank cells. This experience highlights that while new tools can enhance capabilities, they may not always improve efficiency.

In a recent exploration of Excel's capabilities, a user reported significant performance issues when employing the newly popularized `MAKEARRAY` function alongside `INDEX` and `SUM` to replicate the effects of `SUMIFS`. This situation sheds light on a critical aspect of spreadsheet functionality that is often overlooked: the balance between innovation and performance. The user, faced with lagging responses even while attempting simple actions like deleting blank cells, ultimately reverted to traditional methods to restore speed. This experience encapsulates a broader challenge that many users face when integrating advanced functions into their workflows, highlighting the need for a deeper understanding of how these tools interact within the Excel ecosystem.

The introduction of functions like `MAKEARRAY` is undeniably a step forward in enhancing Excel's capabilities, enabling users to harness the power of dynamic arrays to streamline calculations. However, as noted in the user's experience, this innovation does not inherently equate to improved performance. Instead, it emphasizes the importance of carefully assessing the context in which these functions are applied. For example, while innovative approaches can offer more streamlined and elegant solutions, they can also lead to increased computational demands. This situation resonates with other users who have navigated similar challenges, such as those seeking to efficiently manage duplicates in their datasets, as discussed in our article on I need to delete or hide ALL rows that have duplicates in 1 Column.

Moreover, the experience serves as a reminder that while embracing new functionalities, users should remain grounded in the basics of spreadsheet operation. The interaction between different formulas can lead to unexpected results, particularly when dealing with large datasets or complex calculations. For instance, the lag experienced by the user when using `MAKEARRAY` highlights the importance of optimizing spreadsheet performance, a topic we explored in our recent piece, MergeNB: An intuitive merge conflict resolver built for Jupyter notebooks in VS Code, where we discussed the significance of efficiency in data handling.

As users continue to explore the depths of Excel's functionalities, it is essential to strike a balance between leveraging innovative features and maintaining operational efficiency. The challenge lies in understanding the trade-offs involved. As spreadsheet technology evolves, we must ask ourselves: how can we foster an environment that encourages experimentation with these advanced tools while ensuring that performance remains a priority? The journey of exploring Excel's capabilities is undoubtedly a transformative one, and as users navigate these waters, they must remain vigilant, measuring the impact of their choices on their overall productivity.

Looking forward, this situation prompts a larger question about the future of spreadsheet technology: will we see further enhancements to performance that can accommodate the increasing complexity of functions without sacrificing speed? As the demand for innovative data management solutions grows, the industry must respond by not only developing new features but also ensuring that they integrate seamlessly into existing workflows. This dual focus will be crucial as we continue to redefine what is possible in the realm of data management.

Bitten by the 'spill array' bug, I have attempted to revamp my way of using excel by replacing every single one of my previously used method involving having a formula in every single cell.

This led me to find alternative for sumifs and lo and behold, the same effect can be achieved by using combination of makearray, index and sum.

However, I noticed that this approach slows excel considerably to the extent of excel recalculating even when im hitting the delete button on blank cells. Annoyed by the lag, I switch back to my old method of not spilling sumifs and voila, the lag is gone.

It would appear that spill array does not necessarily increase excel speed under every circumstances

submitted by /u/Nikolaisme
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