# Product of three matrices fast

**URL:** https://discourse.julialang.org/t/product-of-three-matrices-fast/15339
**Category:** Performance
**Created:** [September 22, 2018, 2:55pm UTC](https://discourse.julialang.org/t/product-of-three-matrices-fast/15339 "2018-09-22T14:55:19Z")
**Posts on this page:** 1
**Showing post:** 5

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### Author: ![jarl](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/jarl/32/4365_2.png) [@jarl](https://discourse.julialang.org/u/jarl)
#### Post date: [September 22, 2018, 3:09pm UTC](https://discourse.julialang.org/t/product-of-three-matrices-fast/15339/5 "2018-09-22T15:09:56Z")

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The alternative to not specify the order and just `A*B*C` or equivalently(?) `*(A,B,C)` already seems to do some smart things which may be sufficient for me. Is this documented somewhere?

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