---
title: "Discussion on \"Dot product → reduction (atomicAdd, shared memory)\" | Hashnode"
description: "Discussion on \"Dot product → reduction (atomicAdd, shared memory)\". 1.Dot Product\n✅ Definition\nThe dot product of two vectors\n\nis simply multiplying corresponding elements and summing them up.👉 The result is a single scalar number.\n\n✅ Why is it important for GPUs?\n\nDeep Learning: Each neuron computes input · weights..."
url: "https://hashnode.com/posts/dot-product-reduction-atomicadd-shared-memory/68aaf56732899f611a14fb4d"
---

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# [Dot product → reduction (atomicAdd, shared memory)](https://psk-study.hashnode.dev/dot-product-reduction-atomicadd-shared-memory?utm_source=hashnode&utm_medium=feed)

1.Dot Product ✅ Definition The dot product of two vectors is simply multiplying corresponding elements and summing them up.👉 The result is a single scalar number. ✅ Why is it important for GPUs? Deep Learning: Each neuron computes input · weights...

Aug 24, 2025 · 11 min read · psk-study.hashnode.dev  
Updated Aug 25, 2025  
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