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Commit 952757a8 authored by Peter Eastman's avatar Peter Eastman
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Reduced number of force buffers on AMD

parent 95b02c8e
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platforms/opencl/src/OpenCLNonbondedUtilities.cpp
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...@@ -55,7 +55,7 @@ OpenCLNonbondedUtilities::OpenCLNonbondedUtilities(OpenCLContext& context) : con ...@@ -55,7 +55,7 @@ OpenCLNonbondedUtilities::OpenCLNonbondedUtilities(OpenCLContext& context) : con
else { else {
numForceThreadBlocks = context.getNumThreadBlocks(); numForceThreadBlocks = context.getNumThreadBlocks();
forceThreadBlockSize = OpenCLContext::ThreadBlockSize; forceThreadBlockSize = OpenCLContext::ThreadBlockSize;
numForceBuffers = numForceThreadBlocks*forceThreadBlockSize/OpenCLContext::TileSize; numForceBuffers = numForceThreadBlocks;
if (numForceBuffers >= context.getNumAtomBlocks()) { if (numForceBuffers >= context.getNumAtomBlocks()) {
// For small systems, it is more efficient to have one force buffer per block of 32 atoms instead of one per warp. // For small systems, it is more efficient to have one force buffer per block of 32 atoms instead of one per warp.
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