From d49e7aae00e11fb6e76f678997f45f9c22f3756f Mon Sep 17 00:00:00 2001
From: Neil Gershenfeld <gersh@cba.mit.edu>
Date: Sun, 13 Dec 2020 09:02:26 -0500
Subject: [PATCH] wip

---
 README.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.md b/README.md
index ebab861..dd4a2a8 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@
 |3.47|[pi.html](https://pub.pages.cba.mit.edu/pi/JavaScript/pi.html)|JavaScript, 1 worker|Intel 2x E5-2680|Nov 19, 2018|
 |3.29|[pi.js](Node/pi.js)|Node|Intel i7-8700T|Dec 8, 2018|
 |3.12|[clusterpi.js](Node/clusterpi.js)|Node, 1 worker|Intel i7-8700T|Dec 8, 2018|
+|1.78|[threadpi.c](C/threadpi.c)|C, 4 threads<br>gcc threadpi.c -o threadpi -O3 -ffast-math -pthread|Raspberry Pi 4|Dec 13, 2020|
 |0.57|[pi.c](C/pi.c)|C<br>gcc pi.c -o pi -lm|Intel i7-8700T|Nov 17, 2018|
 |0.47|[numpi.py](Python/numpi.py)|Python, NumPy|Intel i7-8700T|Nov 17, 2018|
 |0.029|[pi.py](Python/pi.py)|Python|Intel i7-8700T|Nov 17, 2018|
-- 
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