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| author | Cedric Nugteren <web@cedricnugteren.nl> | 2018-09-15 16:53:09 +0200 |
|---|---|---|
| committer | Cedric Nugteren <web@cedricnugteren.nl> | 2018-09-15 16:53:09 +0200 |
| commit | 8ac39fa3310ba4a66992ccfce839195c31acf688 (patch) | |
| tree | 8ff196acbd1e2ec681d96e2290d3223624435e86 /src | |
| parent | 51cc346751528d58d7edf656b710ce4b5ae40fd5 (diff) | |
Disabled Intel subgroup shuffling for double-precision
Diffstat (limited to 'src')
| -rw-r--r-- | src/utilities/compile.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/utilities/compile.cpp b/src/utilities/compile.cpp index 835f54b4..00cb90cb 100644 --- a/src/utilities/compile.cpp +++ b/src/utilities/compile.cpp @@ -59,7 +59,8 @@ std::shared_ptr<Program> CompileFromSource( } // For Intel GPUs with subgroup support, use subgroup shuffling. - if (device.IsGPU() && device.HasExtension(kKhronosIntelSubgroups)) { + if (device.IsGPU() && device.HasExtension(kKhronosIntelSubgroups) && + (precision == Precision::kSingle || precision == Precision::kHalf)) { header_string += "#define USE_SUBGROUP_SHUFFLING 1\n"; header_string += "#define SUBGROUP_SHUFFLING_INTEL 1\n"; } |