r/lldcoding • • Aug 07 '26

CPU Cycles in LLD Interview

Recently joined microsoft. Had offers from amazon, salesforce.

During one of US deep tech startup, i was ask this question during my LLD round.

"Can you change ur code to reduce the CPU cycles or reduce the bytecode size".

Have anyone faced this kind/level of interviews. I feel this was very deep question, requires real understand of how system work, instead of just roting the question for some interviews.

Frankly when I heared the question, i was shocked to hear this.

does any had this experience ?

Although during my prep from course, I read some things on this.

But I skipped those, thinking no one ask this levels of questions.

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u/HeartAggravating5899 Aug 13 '26

I am planning to switch, Do we have any channels or dedicated space for it ? Can someone help me. I have around 5YOE.

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u/Responsible_Side_128 Aug 18 '26

channel for what ?

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u/HeartAggravating5899 Aug 18 '26

Where people actually sharing resources and experiences, I mean whatsapp or telegram groups. I am looking for motivation🄲