path: root/Software/Beignet.mdwn
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authorRuiling Song <>2014-06-19 15:20:54 +0800
committerZhigang Gong <>2014-06-25 22:16:32 -0700
commit5ccc7bb53d3e8274dc49c4b52f6eca04b5a49eee (patch)
tree00fb667dd172dcfc131bc13e3914824e5b0df29e /Software/Beignet.mdwn
parentacb7d3f99947799ca7d8e3991c15d5a9e5790ee2 (diff)
update Software on environment variables.
Signed-off-by: Ruiling Song <> Reviewed-by: Zhigang Gong <>
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1 files changed, 8 insertions, 0 deletions
diff --git a/Software/Beignet.mdwn b/Software/Beignet.mdwn
index 7870c12a..1a56a6f1 100644
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@@ -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.