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- Sat Mar 09, 2019 2:55 am
- Forum: General Computer Forum
- Topic: Why is memset slow?
- Replies: 3
- Views: 1001
The spec for my CPU says it should get 5.336GB/s bandwidth to memory. To test this, I wrote a simple program that runs memset (or memcpy) on a big array and reports the timing. I'm showing 3.8GB/s on memset and 1.9GB/s on memcpy tutuapp.software . http://en.wikipedia.org/wiki/Intel_Core_(microarchit...