|author||Ruiling Song <firstname.lastname@example.org>||2014-06-19 15:20:54 +0800|
|committer||Zhigang Gong <email@example.com>||2014-06-25 22:16:32 -0700|
update Software on environment variables.
Signed-off-by: Ruiling Song <firstname.lastname@example.org> Reviewed-by: Zhigang Gong <email@example.com>
Diffstat (limited to 'Software/Beignet.mdwn')
1 files changed, 8 insertions, 0 deletions
diff --git a/Software/Beignet.mdwn b/Software/Beignet.mdwn
index 7870c12a..1a56a6f1 100644
@@ -142,6 +142,14 @@ The code was tested on IVB GT2 with ubuntu and fedora core distribution. The rec
kernel version is equal or newer than 3.11. Currently Only IVB is supported right now.
Actually, the code was run on IVB GT2/GT1, and both system are well supported now.
+Math Function precision
+Currently Gen does not provide native support of high precision math functions
+required by OpenCL. We provide a software version to achieve high precision,
+which you can turn on through `export OCL_STRICT_CONFORMANCE=1`.
+But be careful, this would make your CL kernel run a little longer.