Changes between Version 3 and Version 4 of dev/optim/logbook Tweet

Timestamp:

Sep 2, 2011, 1:53:00 PM (12 years ago)

Author:

sam

Comment:

--

dev/optim/logbook

@@ -8 +8 @@
  * [890] Do the Taylor series on `x / π` instead of `x`: results in a measurable 2% speed increase in `sin()` (ppu-lv2-g++)
  * [891] Do the Taylor series in two steps, for better pipelining at the cost of one extra multiplication: a notable 11% speed increase in `sin()` (ppu-lv2-g++)
+
+Note: there is currently no way to build all the engine using SNC. However, individual files can be built using a command along the following one:
+
+{{{
+#!sh
+touch trig.cpp
+ps3ppusnc.exe -c trig.cpp -O3 -Xreorder=1 -Xfastmath=1 -o liblol_a-trig.o -I.
+make
+}}}
+