bechukosai - Is The looking for a source or book itself a part of toiling in Torah?

There is a mitzvah to toil in Torah study. See Rashi Vayikra 26:3:

אם בחקתי תלכו. יָכוֹל זֶה קִיּוּם הַמִּצְוֹת, כְּשֶׁהוּא אוֹמֵר וְאֶת מִצְוֹתַי תִּשְׁמְרוּ וַעֲשִיתֶם אֹתָם הֲרֵי קִיּוּם הַמִּצְוֹת אָמוּר, הָא מַה אֲנִי מְקַיֵּם אִם בְּחֻקֹּתַי תֵּלֵכוּ? שֶׁתִּהְיוּ עֲמֵלִים בַּתּוֹרָה (ספרא):

‎אם בחקתי תלכו IF YE WALK IN MY ORDINANCES — One might think that this denotes the fulfilment of the commandments; but when Scripture states “and ye shall keep My commandments and do them”, it is plain that in this passage there is mentioned the “fulfilment of the commands”. How then must I explain אם בחקתי תלכו? As an admonition that you should study the Torah laboriously (Sifra, Bechukotai, Section 1 1-2

If one is studying and comes across a source quoted. And he has the choice to either google or look up the source on a computer program/look at an index, something that could take mere seconds, or he can find the actual physical source, tracking it down till he finds it - an endeavor that could take possibly hours. Which is better? Is this called יגיעה בתורה?

Answer

In his approbation (Picture Below) to the index to Shas: "HaMafteach", Rav Mordechai Willig praising the concept of an encyclopedia to Shas, quotes the Chazon Ish saying: "That which we call חיפוש - that the searching itself after a source is יגיעה (toil and effort in Torah) is a corruption of the concept of יגיעה and עמילות בתורה.

Rav Yitzchak Hutner in the forward to אוצר מפרשי התלמוד (ב״מ ח״ב)‏ echoes this Chazon Ish as well.

Seemingly according to them, if one could find the source in a more efficient manner, one should use a program/index to find the source. Rather than expend a lot of time just finding the source.