yaqi-zhao commented on code in PR #14585:
URL: https://github.com/apache/arrow/pull/14585#discussion_r1045354335
##########
cpp/src/arrow/util/rle_encoding.h:
##########
@@ -598,6 +605,83 @@ inline int RleDecoder::GetBatchWithDict(const T*
dictionary, int32_t dictionary_
return values_read;
}
+#ifdef ARROW_WITH_QPL
+template <typename T, typename V>
+inline void CopyValues(const T* dictionary, std::vector<uint8_t>* destination,
T* values,
+ int batch_size) {
+ auto* out = values;
+ auto* indices = reinterpret_cast<V*>(destination->data());
+ for (int j = 0; j < batch_size; j++) {
+ auto idx = indices[j];
+ T val = dictionary[idx];
+ std::fill(out, out + 1, val);
+ out++;
+ }
+ return;
+}
+
+template <typename T>
+inline int RleDecoder::GetBatchWithDictIAA(const T* dictionary, int32_t
dictionary_length,
+ T* values, int batch_size) {
+ if (batch_size <= 0) {
+ return batch_size;
+ }
+ if (!::arrow::util::internal::QplJobHWPool::GetInstance().job_ready() ||
+ bit_width_ <= 1) {
+ return GetBatchWithDict(dictionary, dictionary_length, values, batch_size);
+ }
+ uint32_t job_id = 0;
+ qpl_job* job =
::arrow::util::internal::QplJobHWPool::GetInstance().AcquireJob(job_id);
+ if (job == NULL) {
+ return -1;
+ }
+
+ std::vector<uint8_t>* destination;
+ if (dictionary_length < 0xFF) {
+ job->out_bit_width = qpl_ow_8;
+ destination = new std::vector<uint8_t>(batch_size, 0);
Review Comment:
your suggestion is useful! Update complete.
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