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helinwang-patch-1
JiayiFeng 7 years ago
parent 5aa440fd7a
commit c0257f0a5b

@ -20,7 +20,14 @@ namespace paddle {
namespace operators {
namespace reader {
// 'Double buffer' means we shall maintain two batch of input data at the same
// time. So the kCacheSize shoul be at least 2.
static constexpr size_t kCacheSize = 2;
// There will be two bacthes out of the channel during training:
// 1. the one waiting to be sent to the channel
// 2. the one just be received from the channel, which is also being used by
// subsequent operators.
// So the channel size should be kChacheSize - 2
static constexpr size_t kChannelSize = 0; // kCacheSize - 2
class DoubleBufferReader : public framework::DecoratedReader {

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