commit 3a742253aebdcccc944b17ffdc0d9d0672d16e48
parent 0f18d87c984b7ddb7dc3a7fbe05f2fff7de52c38
Author: dwrz <dwrz@dwrz.net>
Date: Wed, 3 Jun 2020 03:08:39 +0000
Update concurrency slides
Diffstat:
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/concurrency/slides.org b/concurrency/slides.org
@@ -2,7 +2,6 @@
- David Wen Riccardi-Zhu
- Senior Software Engineer @ Good Uncle
-- https://github.com/dwrz
- dwrz@dwrz.net
Slides and code: https://github.com/dwrz/talks/concurrency.
@@ -136,6 +135,10 @@ Even before that, computers were able to multitask with one core.
* 20. Single Core
[[file:images/single-core-concurrency.jpg]]
+#+begin_src bash
+strace echo "hello world"
+#+end_src
+
* 21. Multi Core
[[file:images/preemptive-scheduling-multi-core.jpg]]
@@ -299,6 +302,7 @@ Run: [[file:cmd/mutex/run.sh]]
- Up to how the scheduler(s) order things at execution time.
- Concealed bugs
- Heisenbugs
+- Deadlock and Livelock
* 40. Message Passing
@@ -359,7 +363,7 @@ Probably not, because:
- Network load
- CPU
- Ranking goroutine becomes a chokepoint.
- - Data structures and algorithms could help here.
+ - Better data structures and algorithms could help here.
- Goroutines are cheap, but not free.
* 49. Possible Solutions
@@ -458,7 +462,7 @@ Concurrent applications running concurrently on distributed computers.
- Provide context to help you understand what's going on.
- Practical exposure, to expose some of the trade-offs.
-- Awareness and Sensitivity
+- Awareness and Intuition
- Remember:
- /Premature optimization is the root of all evil/.
