/******************************************************************************
*
-* Copyright (c) 2019 Intel.
+* Copyright (c) 2020 Intel.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*
*******************************************************************************/
+/**
+ * @brief xRAN BFP compression/decompression U-plane implementation and interface functions
+ *
+ * @file xran_compression.cpp
+ * @ingroup group_source_xran
+ * @author Intel Corporation
+ **/
+
#include "xran_compression.hpp"
#include "xran_compression.h"
+#include "xran_mod_compression.h"
+#include "xran_fh_o_du.h"
#include <complex>
#include <algorithm>
#include <immintrin.h>
#include <limits.h>
#include <cstring>
-static int16_t saturateAbs(int16_t inVal)
-{
- int16_t result;
- if (inVal == std::numeric_limits<short>::min())
- {
- result = std::numeric_limits<short>::max();
- }
- else
- {
- result = (int16_t)std::abs(inVal);
- }
- return result;
-}
-
-
-/// Compute exponent value for a set of RB from the maximum absolute value
-void
-computeExponent(const BlockFloatCompander::ExpandedData& dataIn, int8_t* expStore)
-{
- __m512i maxAbs = __m512i();
-
- /// Load data and find max(abs(RB))
- const __m512i* rawData = reinterpret_cast<const __m512i*>(dataIn.dataExpanded);
- constexpr int k_numRBPerLoop = 4;
- constexpr int k_numInputLoopIts = BlockFloatCompander::k_numRB / k_numRBPerLoop;
-
-#pragma unroll(k_numInputLoopIts)
- for (int n = 0; n < k_numInputLoopIts; ++n)
- {
- /// Re-order the next 4RB in input data into 3 registers
- /// Input SIMD vectors are:
- /// [A A A A A A A A A A A A B B B B]
- /// [B B B B B B B B C C C C C C C C]
- /// [C C C C D D D D D D D D D D D D]
- /// Re-ordered SIMD vectors are:
- /// [A A A A B B B B C C C C D D D D]
- /// [A A A A B B B B C C C C D D D D]
- /// [A A A A B B B B C C C C D D D D]
- constexpr uint8_t k_msk1 = 0b11111100; // Copy first lane of src
- constexpr int k_shuff1 = 0x41;
- const auto z_w1 = _mm512_mask_shuffle_i64x2(rawData[3 * n + 0], k_msk1, rawData[3 * n + 1], rawData[3 * n + 2], k_shuff1);
-
- constexpr uint8_t k_msk2 = 0b11000011; // Copy middle two lanes of src
- constexpr int k_shuff2 = 0xB1;
- const auto z_w2 = _mm512_mask_shuffle_i64x2(rawData[3 * n + 1], k_msk2, rawData[3 * n + 0], rawData[3 * n + 2], k_shuff2);
-
- constexpr uint8_t k_msk3 = 0b00111111; // Copy last lane of src
- constexpr int k_shuff3 = 0xBE;
- const auto z_w3 = _mm512_mask_shuffle_i64x2(rawData[3 * n + 2], k_msk3, rawData[3 * n + 0], rawData[3 * n + 1], k_shuff3);
-
- /// Perform max abs on these 3 registers
- const auto abs16_1 = _mm512_abs_epi16(z_w1);
- const auto abs16_2 = _mm512_abs_epi16(z_w2);
- const auto abs16_3 = _mm512_abs_epi16(z_w3);
- const auto maxAbs_12 = _mm512_max_epi16(abs16_1, abs16_2);
- const auto maxAbs_123 = _mm512_max_epi16(maxAbs_12, abs16_3);
-
- /// Perform horizontal max over each lane
- /// Swap 64b in each lane and compute max
- const auto k_perm64b = _mm512_set_epi64(6, 7, 4, 5, 2, 3, 0, 1);
- auto maxAbsPerm = _mm512_permutexvar_epi64(k_perm64b, maxAbs_123);
- auto maxAbsHorz = _mm512_max_epi16(maxAbs_123, maxAbsPerm);
-
- /// Swap each pair of 32b in each lane and compute max
- const auto k_perm32b = _mm512_set_epi32(14, 15, 12, 13, 10, 11, 8, 9, 6, 7, 4, 5, 2, 3, 0, 1);
- maxAbsPerm = _mm512_permutexvar_epi32(k_perm32b, maxAbsHorz);
- maxAbsHorz = _mm512_max_epi16(maxAbsHorz, maxAbsPerm);
-
- /// Swap each IQ pair in each lane (via 32b rotation) and compute max
- maxAbsPerm = _mm512_rol_epi32(maxAbsHorz, BlockFloatCompander::k_numBitsIQ);
- maxAbsHorz = _mm512_max_epi16(maxAbsHorz, maxAbsPerm);
-
- /// Insert values into maxAbs
- /// Use sliding mask to insert wanted values into maxAbs
- /// Pairs of values will be inserted and corrected outside of loop
- const auto k_select4RB = _mm512_set_epi32(28, 24, 20, 16, 28, 24, 20, 16,
- 28, 24, 20, 16, 28, 24, 20, 16);
- constexpr uint16_t k_expMsk[k_numInputLoopIts] = { 0x000F, 0x00F0, 0x0F00, 0xF000 };
- maxAbs = _mm512_mask_permutex2var_epi32(maxAbs, k_expMsk[n], k_select4RB, maxAbsHorz);
- }
-
- /// Convert to 32b by removing repeated values in maxAbs
- const auto k_upperWordMask = _mm512_set_epi64(0x0000FFFF0000FFFF, 0x0000FFFF0000FFFF,
- 0x0000FFFF0000FFFF, 0x0000FFFF0000FFFF,
- 0x0000FFFF0000FFFF, 0x0000FFFF0000FFFF,
- 0x0000FFFF0000FFFF, 0x0000FFFF0000FFFF);
- maxAbs = _mm512_and_epi64(maxAbs, k_upperWordMask);
-
- /// Compute and store exponent
- const auto totShiftBits = _mm512_set1_epi32(32 - dataIn.iqWidth + 1);
- const auto lzCount = _mm512_lzcnt_epi32(maxAbs);
- const auto exponent = _mm512_sub_epi32(totShiftBits, lzCount);
- constexpr uint16_t k_expWriteMask = 0xFFFF;
- _mm512_mask_cvtepi32_storeu_epi8(expStore, k_expWriteMask, exponent);
-}
-
-
-/// Pack compressed 9 bit data in network byte order
-/// See https://soco.intel.com/docs/DOC-2665619
-__m512i
-networkBytePack9b(const __m512i compData)
-{
- /// Logical shift left to align network order byte parts
- const __m512i k_shiftLeft = _mm512_set_epi64(0x0000000100020003, 0x0004000500060007,
- 0x0000000100020003, 0x0004000500060007,
- 0x0000000100020003, 0x0004000500060007,
- 0x0000000100020003, 0x0004000500060007);
- auto compDataPacked = _mm512_sllv_epi16(compData, k_shiftLeft);
-
- /// First epi8 shuffle of even indexed samples
- const __m512i k_byteShuffleMask1 = _mm512_set_epi64(0x0000000000000000, 0x0C0D080904050001,
- 0x0000000000000000, 0x0C0D080904050001,
- 0x0000000000000000, 0x0C0D080904050001,
- 0x0000000000000000, 0x0C0D080904050001);
- constexpr uint64_t k_byteMask1 = 0x000000FF00FF00FF;
- auto compDataShuff1 = _mm512_maskz_shuffle_epi8(k_byteMask1, compDataPacked, k_byteShuffleMask1);
-
- /// Second epi8 shuffle of odd indexed samples
- const __m512i k_byteShuffleMask2 = _mm512_set_epi64(0x000000000000000E, 0x0F0A0B0607020300,
- 0x000000000000000E, 0x0F0A0B0607020300,
- 0x000000000000000E, 0x0F0A0B0607020300,
- 0x000000000000000E, 0x0F0A0B0607020300);
- constexpr uint64_t k_byteMask2 = 0x000001FE01FE01FE;
- auto compDataShuff2 = _mm512_maskz_shuffle_epi8(k_byteMask2, compDataPacked, k_byteShuffleMask2);
-
- /// Ternary blend of the two shuffled results
- const __m512i k_ternLogSelect = _mm512_set_epi64(0x00000000000000FF, 0x01FC07F01FC07F00,
- 0x00000000000000FF, 0x01FC07F01FC07F00,
- 0x00000000000000FF, 0x01FC07F01FC07F00,
- 0x00000000000000FF, 0x01FC07F01FC07F00);
- return _mm512_ternarylogic_epi64(compDataShuff1, compDataShuff2, k_ternLogSelect, 0xd8);
-}
-
-
-/// Pack compressed 10 bit data in network byte order
-/// See https://soco.intel.com/docs/DOC-2665619
-__m512i
-networkBytePack10b(const __m512i compData)
-{
- /// Logical shift left to align network order byte parts
- const __m512i k_shiftLeft = _mm512_set_epi64(0x0000000200040006, 0x0000000200040006,
- 0x0000000200040006, 0x0000000200040006,
- 0x0000000200040006, 0x0000000200040006,
- 0x0000000200040006, 0x0000000200040006);
- auto compDataPacked = _mm512_sllv_epi16(compData, k_shiftLeft);
-
- /// First epi8 shuffle of even indexed samples
- const __m512i k_byteShuffleMask1 = _mm512_set_epi64(0x000000000000000C, 0x0D08090004050001,
- 0x000000000000000C, 0x0D08090004050001,
- 0x000000000000000C, 0x0D08090004050001,
- 0x000000000000000C, 0x0D08090004050001);
- constexpr uint64_t k_byteMask1 = 0x000001EF01EF01EF;
- auto compDataShuff1 = _mm512_maskz_shuffle_epi8(k_byteMask1, compDataPacked, k_byteShuffleMask1);
-
- /// Second epi8 shuffle of odd indexed samples
- const __m512i k_byteShuffleMask2 = _mm512_set_epi64(0x0000000000000E0F, 0x0A0B000607020300,
- 0x0000000000000E0F, 0x0A0B000607020300,
- 0x0000000000000E0F, 0x0A0B000607020300,
- 0x0000000000000E0F, 0x0A0B000607020300);
- constexpr uint64_t k_byteMask2 = 0x000003DE03DE03DE;
- auto compDataShuff2 = _mm512_maskz_shuffle_epi8(k_byteMask2, compDataPacked, k_byteShuffleMask2);
-
- /// Ternary blend of the two shuffled results
- const __m512i k_ternLogSelect = _mm512_set_epi64(0x000000000000FF03, 0xF03F00FF03F03F00,
- 0x000000000000FF03, 0xF03F00FF03F03F00,
- 0x000000000000FF03, 0xF03F00FF03F03F00,
- 0x000000000000FF03, 0xF03F00FF03F03F00);
- return _mm512_ternarylogic_epi64(compDataShuff1, compDataShuff2, k_ternLogSelect, 0xd8);
-}
-
-
-/// Pack compressed 12 bit data in network byte order
-/// See https://soco.intel.com/docs/DOC-2665619
-__m512i
-networkBytePack12b(const __m512i compData)
-{
- /// Logical shift left to align network order byte parts
- const __m512i k_shiftLeft = _mm512_set_epi64(0x0000000400000004, 0x0000000400000004,
- 0x0000000400000004, 0x0000000400000004,
- 0x0000000400000004, 0x0000000400000004,
- 0x0000000400000004, 0x0000000400000004);
- auto compDataPacked = _mm512_sllv_epi16(compData, k_shiftLeft);
-
- /// First epi8 shuffle of even indexed samples
- const __m512i k_byteShuffleMask1 = _mm512_set_epi64(0x00000000000C0D00, 0x0809000405000001,
- 0x00000000000C0D00, 0x0809000405000001,
- 0x00000000000C0D00, 0x0809000405000001,
- 0x00000000000C0D00, 0x0809000405000001);
- constexpr uint64_t k_byteMask1 = 0x000006DB06DB06DB;
- auto compDataShuff1 = _mm512_maskz_shuffle_epi8(k_byteMask1, compDataPacked, k_byteShuffleMask1);
-
- /// Second epi8 shuffle of odd indexed samples
- const __m512i k_byteShuffleMask2 = _mm512_set_epi64(0x000000000E0F000A, 0x0B00060700020300,
- 0x000000000E0F000A, 0x0B00060700020300,
- 0x000000000E0F000A, 0x0B00060700020300,
- 0x000000000E0F000A, 0x0B00060700020300);
- constexpr uint64_t k_byteMask2 = 0x00000DB60DB60DB6;
- auto compDataShuff2 = _mm512_maskz_shuffle_epi8(k_byteMask2, compDataPacked, k_byteShuffleMask2);
-
- /// Ternary blend of the two shuffled results
- const __m512i k_ternLogSelect = _mm512_set_epi64(0x00000000FF0F00FF, 0x0F00FF0F00FF0F00,
- 0x00000000FF0F00FF, 0x0F00FF0F00FF0F00,
- 0x00000000FF0F00FF, 0x0F00FF0F00FF0F00,
- 0x00000000FF0F00FF, 0x0F00FF0F00FF0F00);
- return _mm512_ternarylogic_epi64(compDataShuff1, compDataShuff2, k_ternLogSelect, 0xd8);
-}
-
-
-/// Unpack compressed 9 bit data in network byte order
-/// See https://soco.intel.com/docs/DOC-2665619
-__m512i
-networkByteUnpack9b(const uint8_t* inData)
-{
- /// Align chunks of compressed bytes into lanes to allow for expansion
- const __m512i* rawDataIn = reinterpret_cast<const __m512i*>(inData);
- const auto k_expPerm = _mm512_set_epi32(15, 14, 13, 12, 7, 6, 5, 4,
- 5, 4, 3, 2, 3, 2, 1, 0);
- auto expData = _mm512_permutexvar_epi32(k_expPerm, *rawDataIn);
-
- /// Byte shuffle to get all bits for each sample into 16b chunks
- /// Due to previous permute to get chunks of bytes into each lane, there is
- /// a different shuffle offset in each lane
- const __m512i k_byteShuffleMask = _mm512_set_epi64(0x0F0E0D0C0B0A0908, 0x0706050403020100,
- 0x090A080907080607, 0x0506040503040203,
- 0x0809070806070506, 0x0405030402030102,
- 0x0708060705060405, 0x0304020301020001);
- expData = _mm512_shuffle_epi8(expData, k_byteShuffleMask);
-
- /// Logical shift left to set sign bit
- const __m512i k_slBits = _mm512_set_epi64(0x0007000600050004, 0x0003000200010000,
- 0x0007000600050004, 0x0003000200010000,
- 0x0007000600050004, 0x0003000200010000,
- 0x0007000600050004, 0x0003000200010000);
- expData = _mm512_sllv_epi16(expData, k_slBits);
-
- /// Mask to zero unwanted bits
- const __m512i k_expMask = _mm512_set1_epi16(0xFF80);
- return _mm512_and_epi64(expData, k_expMask);
-}
-
-
-/// Unpack compressed 10 bit data in network byte order
-/// See https://soco.intel.com/docs/DOC-2665619
-__m512i
-networkByteUnpack10b(const uint8_t* inData)
-{
- /// Align chunks of compressed bytes into lanes to allow for expansion
- const __m512i* rawDataIn = reinterpret_cast<const __m512i*>(inData);
- const auto k_expPerm = _mm512_set_epi32(15, 14, 13, 12, 8, 7, 6, 5,
- 5, 4, 3, 2, 3, 2, 1, 0);
- auto expData = _mm512_permutexvar_epi32(k_expPerm, *rawDataIn);
-
- /// Byte shuffle to get all bits for each sample into 16b chunks
- /// Due to previous permute to get chunks of bytes into each lane, lanes
- /// 0 and 2 happen to be aligned, but lane 1 is offset by 2 bytes
- const __m512i k_byteShuffleMask = _mm512_set_epi64(0x0809070806070506, 0x0304020301020001,
- 0x0809070806070506, 0x0304020301020001,
- 0x0A0B090A08090708, 0x0506040503040203,
- 0x0809070806070506, 0x0304020301020001);
- expData = _mm512_shuffle_epi8(expData, k_byteShuffleMask);
-
- /// Logical shift left to set sign bit
- const __m512i k_slBits = _mm512_set_epi64(0x0006000400020000, 0x0006000400020000,
- 0x0006000400020000, 0x0006000400020000,
- 0x0006000400020000, 0x0006000400020000,
- 0x0006000400020000, 0x0006000400020000);
- expData = _mm512_sllv_epi16(expData, k_slBits);
-
- /// Mask to zero unwanted bits
- const __m512i k_expMask = _mm512_set1_epi16(0xFFC0);
- return _mm512_and_epi64(expData, k_expMask);
-}
-
-
-/// Unpack compressed 12 bit data in network byte order
-/// See https://soco.intel.com/docs/DOC-2665619
-__m512i
-networkByteUnpack12b(const uint8_t* inData)
-{
- /// Align chunks of compressed bytes into lanes to allow for expansion
- const __m512i* rawDataIn = reinterpret_cast<const __m512i*>(inData);
- const auto k_expPerm = _mm512_set_epi32(15, 14, 13, 12, 9, 8, 7, 6,
- 6, 5, 4, 3, 3, 2, 1, 0);
- auto expData = _mm512_permutexvar_epi32(k_expPerm, *rawDataIn);
-
- /// Byte shuffle to get all bits for each sample into 16b chunks
- /// For 12b mantissa all lanes post-permute are aligned and require same shuffle offset
- const __m512i k_byteShuffleMask = _mm512_set_epi64(0x0A0B090A07080607, 0x0405030401020001,
- 0x0A0B090A07080607, 0x0405030401020001,
- 0x0A0B090A07080607, 0x0405030401020001,
- 0x0A0B090A07080607, 0x0405030401020001);
- expData = _mm512_shuffle_epi8(expData, k_byteShuffleMask);
-
- /// Logical shift left to set sign bit
- const __m512i k_slBits = _mm512_set_epi64(0x0004000000040000, 0x0004000000040000,
- 0x0004000000040000, 0x0004000000040000,
- 0x0004000000040000, 0x0004000000040000,
- 0x0004000000040000, 0x0004000000040000);
- expData = _mm512_sllv_epi16(expData, k_slBits);
-
- /// Mask to zero unwanted bits
- const __m512i k_expMask = _mm512_set1_epi16(0xFFF0);
- return _mm512_and_epi64(expData, k_expMask);
-}
-
-
-/// 8 bit compression
-void
-BlockFloatCompander::BlockFloatCompress_8b_AVX512(const ExpandedData& dataIn, CompressedData* dataOut)
-{
- /// Compute exponent and store for later use
- int8_t storedExp[BlockFloatCompander::k_numRB] = {};
- computeExponent(dataIn, storedExp);
-
- /// Shift 1RB by corresponding exponent and write exponent and data to output
-#pragma unroll(BlockFloatCompander::k_numRB)
- for (int n = 0; n < BlockFloatCompander::k_numRB; ++n)
- {
- const __m512i* rawDataIn = reinterpret_cast<const __m512i*>(dataIn.dataExpanded + n * BlockFloatCompander::k_numREReal);
- auto compData = _mm512_srai_epi16(*rawDataIn, storedExp[n]);
- auto thisRBExpAddr = n * (BlockFloatCompander::k_numREReal + 1);
- /// Store exponent first
- dataOut->dataCompressed[thisRBExpAddr] = storedExp[n];
- /// Store compressed RB
- constexpr uint32_t k_rbMask = 0x00FFFFFF; // Write mask for 1RB (24 values)
- _mm256_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1, k_rbMask, _mm512_cvtepi16_epi8(compData));
- }
-}
-
-
-/// 9 bit compression
-void
-BlockFloatCompander::BlockFloatCompress_9b_AVX512(const ExpandedData& dataIn, CompressedData* dataOut)
-{
- /// Compute exponent and store for later use
- int8_t storedExp[BlockFloatCompander::k_numRB] = {};
- computeExponent(dataIn, storedExp);
-
- /// Shift 1RB by corresponding exponent and write exponent and data to output
- /// Output data is packed exponent first followed by corresponding compressed RB
-#pragma unroll(BlockFloatCompander::k_numRB)
- for (int n = 0; n < BlockFloatCompander::k_numRB; ++n)
- {
- /// Apply exponent shift
- const __m512i* rawDataIn = reinterpret_cast<const __m512i*>(dataIn.dataExpanded + n * BlockFloatCompander::k_numREReal);
- auto compData = _mm512_srai_epi16(*rawDataIn, storedExp[n]);
-
- /// Pack compressed data network byte order
- auto compDataBytePacked = networkBytePack9b(compData);
-
- /// Store exponent first
- constexpr int k_totNumBytesPerRB = 28;
- auto thisRBExpAddr = n * k_totNumBytesPerRB;
- dataOut->dataCompressed[thisRBExpAddr] = storedExp[n];
-
- /// Now have 1 RB worth of bytes separated into 3 chunks (1 per lane)
- /// Use three offset stores to join
- constexpr uint16_t k_RbWriteMask = 0x01FF;
- constexpr int k_numDataBytesPerLane = 9;
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1, k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 0));
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1 + k_numDataBytesPerLane, k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 1));
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1 + (2 * k_numDataBytesPerLane), k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 2));
- }
-}
-
+using namespace BlockFloatCompander;
-/// 10 bit compression
-void
-BlockFloatCompander::BlockFloatCompress_10b_AVX512(const ExpandedData& dataIn, CompressedData* dataOut)
-{
- /// Compute exponent and store for later use
- int8_t storedExp[BlockFloatCompander::k_numRB] = {};
- computeExponent(dataIn, storedExp);
-
- /// Shift 1RB by corresponding exponent and write exponent and data to output
- /// Output data is packed exponent first followed by corresponding compressed RB
-#pragma unroll(BlockFloatCompander::k_numRB)
- for (int n = 0; n < BlockFloatCompander::k_numRB; ++n)
- {
- /// Apply exponent shift
- const __m512i* rawDataIn = reinterpret_cast<const __m512i*>(dataIn.dataExpanded + n * BlockFloatCompander::k_numREReal);
- auto compData = _mm512_srai_epi16(*rawDataIn, storedExp[n]);
-
- /// Pack compressed data network byte order
- auto compDataBytePacked = networkBytePack10b(compData);
-
- /// Store exponent first
- constexpr int k_totNumBytesPerRB = 31;
- auto thisRBExpAddr = n * k_totNumBytesPerRB;
- dataOut->dataCompressed[thisRBExpAddr] = storedExp[n];
-
- /// Now have 1 RB worth of bytes separated into 3 chunks (1 per lane)
- /// Use three offset stores to join
- constexpr uint16_t k_RbWriteMask = 0x03FF;
- constexpr int k_numDataBytesPerLane = 10;
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1, k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 0));
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1 + k_numDataBytesPerLane, k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 1));
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1 + (2 * k_numDataBytesPerLane), k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 2));
- }
-}
-
-
-/// 12 bit compression
-void
-BlockFloatCompander::BlockFloatCompress_12b_AVX512(const ExpandedData& dataIn, CompressedData* dataOut)
-{
- /// Compute exponent and store for later use
- int8_t storedExp[BlockFloatCompander::k_numRB] = {};
- computeExponent(dataIn, storedExp);
-
- /// Shift 1RB by corresponding exponent and write exponent and data to output
- /// Output data is packed exponent first followed by corresponding compressed RB
-#pragma unroll(BlockFloatCompander::k_numRB)
- for (int n = 0; n < BlockFloatCompander::k_numRB; ++n)
- {
- /// Apply exponent shift
- const __m512i* rawDataIn = reinterpret_cast<const __m512i*>(dataIn.dataExpanded + n * BlockFloatCompander::k_numREReal);
- auto compData = _mm512_srai_epi16(*rawDataIn, storedExp[n]);
-
- /// Pack compressed data network byte order
- auto compDataBytePacked = networkBytePack12b(compData);
-
- /// Store exponent first
- constexpr int k_totNumBytesPerRB = 37;
- auto thisRBExpAddr = n * k_totNumBytesPerRB;
- dataOut->dataCompressed[thisRBExpAddr] = storedExp[n];
-
- /// Now have 1 RB worth of bytes separated into 3 chunks (1 per lane)
- /// Use three offset stores to join
- constexpr uint16_t k_RbWriteMask = 0x0FFF;
- constexpr int k_numDataBytesPerLane = 12;
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1, k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 0));
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1 + k_numDataBytesPerLane, k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 1));
- _mm_mask_storeu_epi8(dataOut->dataCompressed + thisRBExpAddr + 1 + (2 * k_numDataBytesPerLane), k_RbWriteMask, _mm512_extracti64x2_epi64(compDataBytePacked, 2));
- }
-}
-
-
-/// 8 bit expansion
-void
-BlockFloatCompander::BlockFloatExpand_8b_AVX512(const CompressedData& dataIn, ExpandedData* dataOut)
-{
-#pragma unroll(BlockFloatCompander::k_numRB)
- for (int n = 0; n < BlockFloatCompander::k_numRB; ++n)
- {
- /// Expand 1RB of data
- auto expAddr = n * (BlockFloatCompander::k_numREReal + 1);
- const __m256i* rawDataIn = reinterpret_cast<const __m256i*>(dataIn.dataCompressed + expAddr + 1);
- const auto compData16 = _mm512_cvtepi8_epi16(*rawDataIn);
- const auto expData = _mm512_slli_epi16(compData16, *(dataIn.dataCompressed + expAddr));
- /// Write expanded data to output
- constexpr uint8_t k_rbMask64 = 0b00111111; // 64b write mask for 1RB (24 int16 values)
- _mm512_mask_storeu_epi64(dataOut->dataExpanded + n * BlockFloatCompander::k_numREReal, k_rbMask64, expData);
- }
-}
+/** callback function type for Symbol packet */
+typedef void (*xran_bfp_compress_fn)(const BlockFloatCompander::ExpandedData& dataIn,
+ BlockFloatCompander::CompressedData* dataOut);
+/** callback function type for Symbol packet */
+typedef void (*xran_bfp_decompress_fn)(const BlockFloatCompander::CompressedData& dataIn, BlockFloatCompander::ExpandedData* dataOut);
-/// 9 bit expansion
-void
-BlockFloatCompander::BlockFloatExpand_9b_AVX512(const CompressedData& dataIn, ExpandedData* dataOut)
-{
-#pragma unroll(BlockFloatCompander::k_numRB)
- for (int n = 0; n < BlockFloatCompander::k_numRB; ++n)
+int32_t
+xranlib_compress(const struct xranlib_compress_request *request,
+ struct xranlib_compress_response *response)
{
- constexpr int k_totNumBytesPerRB = 28;
- auto expAddr = n * k_totNumBytesPerRB;
-
- /// Unpack network order packed data
- auto expData = networkByteUnpack9b(dataIn.dataCompressed + expAddr + 1);
-
- /// Apply exponent scaling (by appropriate arithmetic shift right)
- constexpr int k_maxExpShift = 7;
- expData = _mm512_srai_epi16(expData, k_maxExpShift - *(dataIn.dataCompressed + expAddr));
-
- /// Write expanded data to output
- static constexpr uint32_t k_WriteMask = 0x00FFFFFF;
- _mm512_mask_storeu_epi16(dataOut->dataExpanded + n * BlockFloatCompander::k_numREReal, k_WriteMask, expData);
+ if (request->compMethod == XRAN_COMPMETHOD_MODULATION)
+ {
+ struct xranlib_5gnr_mod_compression_request mod_request;
+ struct xranlib_5gnr_mod_compression_response mod_response;
+ mod_request.data_in = request->data_in;
+ mod_request.unit = request->ScaleFactor;
+ mod_request.modulation = (enum xran_modulation_order)(request->iqWidth * 2);
+ mod_request.num_symbols = request->numRBs * XRAN_NUM_OF_SC_PER_RB;
+ mod_request.re_mask = request->reMask;
+ mod_response.data_out = response->data_out;
+ response->len = (request->numRBs * XRAN_NUM_OF_SC_PER_RB * request->iqWidth * 2) >> 3;
+
+ return xranlib_5gnr_mod_compression(&mod_request, &mod_response);
}
-}
-
-
-/// 10 bit expansion
-void
-BlockFloatCompander::BlockFloatExpand_10b_AVX512(const CompressedData& dataIn, ExpandedData* dataOut)
-{
-#pragma unroll(BlockFloatCompander::k_numRB)
- for (int n = 0; n < BlockFloatCompander::k_numRB; ++n)
- {
- constexpr int k_totNumBytesPerRB = 31;
- auto expAddr = n * k_totNumBytesPerRB;
-
- /// Unpack network order packed data
- auto expData = networkByteUnpack10b(dataIn.dataCompressed + expAddr + 1);
-
- /// Apply exponent scaling (by appropriate arithmetic shift right)
- constexpr int k_maxExpShift = 6;
- expData = _mm512_srai_epi16(expData, k_maxExpShift - *(dataIn.dataCompressed + expAddr));
-
- /// Write expanded data to output
- static constexpr uint32_t k_WriteMask = 0x00FFFFFF;
- _mm512_mask_storeu_epi16(dataOut->dataExpanded + n * BlockFloatCompander::k_numREReal, k_WriteMask, expData);
+ else{
+ if(_may_i_use_cpu_feature(_FEATURE_AVX512IFMA52)) {
+ return xranlib_compress_avxsnc(request,response);
+ } else {
+ return xranlib_compress_avx512(request,response);
+ }
}
-}
-
-
-/// 12 bit expansion
-void
-BlockFloatCompander::BlockFloatExpand_12b_AVX512(const CompressedData& dataIn, ExpandedData* dataOut)
-{
-#pragma unroll(BlockFloatCompander::k_numRB)
- for (int n = 0; n < BlockFloatCompander::k_numRB; ++n)
- {
- constexpr int k_totNumBytesPerRB = 37;
- auto expAddr = n * k_totNumBytesPerRB;
-
- /// Unpack network order packed data
- auto expData = networkByteUnpack12b(dataIn.dataCompressed + expAddr + 1);
-
- /// Apply exponent scaling (by appropriate arithmetic shift right)
- constexpr int k_maxExpShift = 4;
- expData = _mm512_srai_epi16(expData, k_maxExpShift - *(dataIn.dataCompressed + expAddr));
-
- /// Write expanded data to output
- static constexpr uint32_t k_WriteMask = 0x00FFFFFF;
- _mm512_mask_storeu_epi16(dataOut->dataExpanded + n * BlockFloatCompander::k_numREReal, k_WriteMask, expData);
}
-}
-
-/// Reference compression
-void
-BlockFloatCompander::BlockFloatCompress_Basic(const ExpandedData& dataIn, CompressedData* dataOut)
-{
- int dataOutIdx = 0;
- int16_t iqMask = (int16_t)((1 << dataIn.iqWidth) - 1);
- int byteShiftUnits = dataIn.iqWidth - 8;
-
- for (int rb = 0; rb < BlockFloatCompander::k_numRB; ++rb)
+int32_t
+xranlib_decompress(const struct xranlib_decompress_request *request,
+ struct xranlib_decompress_response *response)
{
- /// Find max abs value for this RB
- int16_t maxAbs = 0;
- for (int re = 0; re < BlockFloatCompander::k_numREReal; ++re)
+ if (request->compMethod == XRAN_COMPMETHOD_MODULATION)
{
- auto dataIdx = rb * BlockFloatCompander::k_numREReal + re;
- auto dataAbs = saturateAbs(dataIn.dataExpanded[dataIdx]);
- maxAbs = std::max(maxAbs, dataAbs);
- }
-
- // Find exponent and insert into byte stream
- auto thisExp = (uint8_t)(std::max(0,(16 - dataIn.iqWidth + 1 - __lzcnt16(maxAbs))));
- dataOut->dataCompressed[dataOutIdx++] = thisExp;
-
- /// ARS data by exponent and pack bytes in Network order
- /// This uses a sliding buffer where one or more bytes are
- /// extracted after the insertion of each compressed sample
- static constexpr int k_byteMask = 0xFF;
- int byteShiftVal = -8;
- int byteBuffer = { 0 };
- for (int re = 0; re < BlockFloatCompander::k_numREReal; ++re)
- {
- auto dataIdxIn = rb * BlockFloatCompander::k_numREReal + re;
- auto thisRE = dataIn.dataExpanded[dataIdxIn] >> thisExp;
- byteBuffer = (byteBuffer << dataIn.iqWidth) + (int)(thisRE & iqMask);
-
- byteShiftVal += (8 + byteShiftUnits);
- while (byteShiftVal >= 0)
- {
- auto thisByte = (uint8_t)((byteBuffer >> byteShiftVal) & k_byteMask);
- dataOut->dataCompressed[dataOutIdx++] = thisByte;
- byteShiftVal -= 8;
+ struct xranlib_5gnr_mod_decompression_request mod_request;
+ struct xranlib_5gnr_mod_decompression_response mod_response;
+ mod_request.data_in = request->data_in;
+ mod_request.unit = request->ScaleFactor;
+ mod_request.modulation = (enum xran_modulation_order)(request->iqWidth * 2);
+ mod_request.num_symbols = request->numRBs * XRAN_NUM_OF_SC_PER_RB;
+ mod_request.re_mask = request->reMask;
+ mod_response.data_out = response->data_out;
+ response->len = request->numRBs * XRAN_NUM_OF_SC_PER_RB * 4;
+
+ return xranlib_5gnr_mod_decompression(&mod_request, &mod_response);
}
+ else{
+ if(_may_i_use_cpu_feature(_FEATURE_AVX512IFMA52)) {
+ return xranlib_decompress_avxsnc(request,response);
+ } else {
+ return xranlib_decompress_avx512(request,response);
}
}
- dataOut->iqWidth = dataIn.iqWidth;
-}
-
-/// Reference expansion
-void
-BlockFloatCompander::BlockFloatExpand_Basic(const CompressedData& dataIn, ExpandedData* dataOut)
-{
- uint32_t iqMask = (uint32_t)(UINT_MAX - ((1 << (32 - dataIn.iqWidth)) - 1));
- uint32_t byteBuffer = { 0 };
- int numBytesPerRB = (3 * dataIn.iqWidth) + 1;
- int bitPointer = 0;
- int dataIdxOut = 0;
-
- for (int rb = 0; rb < BlockFloatCompander::k_numRB; ++rb)
- {
- auto expIdx = rb * numBytesPerRB;
- auto signExtShift = 32 - dataIn.iqWidth - dataIn.dataCompressed[expIdx];
-
- for (int b = 0; b < numBytesPerRB - 1; ++b)
- {
- auto dataIdxIn = (expIdx + 1) + b;
- auto thisByte = (uint16_t)dataIn.dataCompressed[dataIdxIn];
- byteBuffer = (uint32_t)((byteBuffer << 8) + thisByte);
- bitPointer += 8;
- while (bitPointer >= dataIn.iqWidth)
- {
- /// byteBuffer currently has enough data in it to extract a sample
- /// Shift left first to set sign bit at MSB, then shift right to
- /// sign extend down to iqWidth. Finally recast to int16.
- int32_t thisSample32 = (int32_t)((byteBuffer << (32 - bitPointer)) & iqMask);
- int16_t thisSample = (int16_t)(thisSample32 >> signExtShift);
- bitPointer -= dataIn.iqWidth;
- dataOut->dataExpanded[dataIdxOut++] = thisSample;
- }
- }
}
-}
-
-/// Reference compression
-void
-BlockFloatCompanderBFW::BlockFloatCompress_Basic(const BlockFloatCompanderBFW::ExpandedData& dataIn, BlockFloatCompanderBFW::CompressedData* dataOut)
-{
- int dataOutIdx = 0;
- int16_t iqMask = (int16_t)((1 << dataIn.iqWidth) - 1);
- int byteShiftUnits = dataIn.iqWidth - 8;
-
- for (int rb = 0; rb < BlockFloatCompanderBFW::k_numRB; ++rb)
- {
- /// Find max abs value for this RB
- int16_t maxAbs = 0;
- for (int re = 0; re < BlockFloatCompanderBFW::k_numREReal; ++re)
- {
- auto dataIdx = rb * BlockFloatCompanderBFW::k_numREReal + re;
- auto dataAbs = saturateAbs(dataIn.dataExpanded[dataIdx]);
- maxAbs = std::max(maxAbs, dataAbs);
- }
- // Find exponent and insert into byte stream
- auto thisExp = (uint8_t)(std::max(0,(16 - dataIn.iqWidth + 1 - __lzcnt16(maxAbs))));
- dataOut->dataCompressed[dataOutIdx++] = thisExp;
-
- /// ARS data by exponent and pack bytes in Network order
- /// This uses a sliding buffer where one or more bytes are
- /// extracted after the insertion of each compressed sample
- static constexpr int k_byteMask = 0xFF;
- int byteShiftVal = -8;
- int byteBuffer = { 0 };
- for (int re = 0; re < BlockFloatCompanderBFW::k_numREReal; ++re)
+int32_t
+xranlib_compress_bfw(const struct xranlib_compress_request *request,
+ struct xranlib_compress_response *response)
{
- auto dataIdxIn = rb * BlockFloatCompanderBFW::k_numREReal + re;
- auto thisRE = dataIn.dataExpanded[dataIdxIn] >> thisExp;
- byteBuffer = (byteBuffer << dataIn.iqWidth) + (int)(thisRE & iqMask);
-
- byteShiftVal += (8 + byteShiftUnits);
- while (byteShiftVal >= 0)
- {
- auto thisByte = (uint8_t)((byteBuffer >> byteShiftVal) & k_byteMask);
- dataOut->dataCompressed[dataOutIdx++] = thisByte;
- byteShiftVal -= 8;
- }
+ if(_may_i_use_cpu_feature(_FEATURE_AVX512IFMA52)) {
+ return xranlib_compress_avxsnc_bfw(request,response);
+ } else {
+ return xranlib_compress_avx512_bfw(request,response);
}
}
- dataOut->iqWidth = dataIn.iqWidth;
-}
-/// Reference expansion
-void
-BlockFloatCompanderBFW::BlockFloatExpand_Basic(const BlockFloatCompanderBFW::CompressedData& dataIn, BlockFloatCompanderBFW::ExpandedData* dataOut)
-{
- uint32_t iqMask = (uint32_t)(UINT_MAX - ((1 << (32 - dataIn.iqWidth)) - 1));
- uint32_t byteBuffer = { 0 };
- int numBytesPerRB = (3 * dataIn.iqWidth) + 1;
- int bitPointer = 0;
- int dataIdxOut = 0;
-
- for (int rb = 0; rb < BlockFloatCompanderBFW::k_numRB; ++rb)
+int32_t
+xranlib_decompress_bfw(const struct xranlib_decompress_request *request,
+ struct xranlib_decompress_response *response)
{
- auto expIdx = rb * numBytesPerRB;
- auto signExtShift = 32 - dataIn.iqWidth - dataIn.dataCompressed[expIdx];
-
- for (int b = 0; b < numBytesPerRB - 1; ++b)
- {
- auto dataIdxIn = (expIdx + 1) + b;
- auto thisByte = (uint16_t)dataIn.dataCompressed[dataIdxIn];
- byteBuffer = (uint32_t)((byteBuffer << 8) + thisByte);
- bitPointer += 8;
- while (bitPointer >= dataIn.iqWidth)
- {
- /// byteBuffer currently has enough data in it to extract a sample
- /// Shift left first to set sign bit at MSB, then shift right to
- /// sign extend down to iqWidth. Finally recast to int16.
- int32_t thisSample32 = (int32_t)((byteBuffer << (32 - bitPointer)) & iqMask);
- int16_t thisSample = (int16_t)(thisSample32 >> signExtShift);
- bitPointer -= dataIn.iqWidth;
- dataOut->dataExpanded[dataIdxOut++] = thisSample;
- }
- }
+ if(_may_i_use_cpu_feature(_FEATURE_AVX512IFMA52)) {
+ return xranlib_decompress_avxsnc_bfw(request,response);
+ } else {
+ return xranlib_decompress_avx512_bfw(request,response);
}
}
-#define RB_NUM_ROUNDUP(rb) \
- (BlockFloatCompander::k_numRB * ((rb + BlockFloatCompander::k_numRB - 1) / BlockFloatCompander::k_numRB))
-
-
-/** callback function type for Symbol packet */
-typedef void (*xran_bfp_compress_fn)(const BlockFloatCompander::ExpandedData& dataIn,
- BlockFloatCompander::CompressedData* dataOut);
-
int32_t
xranlib_compress_avx512(const struct xranlib_compress_request *request,
struct xranlib_compress_response *response)
BlockFloatCompander::ExpandedData expandedDataInput;
BlockFloatCompander::CompressedData compressedDataOut;
xran_bfp_compress_fn com_fn = NULL;
- int16_t numRBs = request->numRBs;
+ uint16_t totalRBs = request->numRBs;
+ uint16_t remRBs = totalRBs;
int16_t len = 0;
+ int16_t block_idx_bytes = 0;
- switch (request->iqWidth){
+ switch (request->iqWidth) {
case 8:
- expandedDataInput.iqWidth = 8;
- com_fn = BlockFloatCompander::BlockFloatCompress_8b_AVX512;
- break;
case 9:
- expandedDataInput.iqWidth = 9;
- com_fn = BlockFloatCompander::BlockFloatCompress_9b_AVX512;
- break;
case 10:
- expandedDataInput.iqWidth = 10;
- com_fn = BlockFloatCompander::BlockFloatCompress_10b_AVX512;
- break;
case 12:
- expandedDataInput.iqWidth = 12;
- com_fn = BlockFloatCompander::BlockFloatCompress_12b_AVX512;
+ com_fn = BlockFloatCompander::BFPCompressUserPlaneAvx512;
break;
default:
- expandedDataInput.iqWidth = request->iqWidth;
- com_fn = BlockFloatCompander::BlockFloatCompress_Basic;
+ com_fn = BlockFloatCompander::BFPCompressRef;
break;
}
- for (int16_t block_idx = 0;
- block_idx < RB_NUM_ROUNDUP(numRBs)/BlockFloatCompander::k_numRB /*+ 1*/; /* 16 RBs at time */
- block_idx++) {
+ expandedDataInput.iqWidth = request->iqWidth;
+ expandedDataInput.numDataElements = 24;
+
+ while (remRBs){
+ expandedDataInput.dataExpanded = &request->data_in[block_idx_bytes];
+ compressedDataOut.dataCompressed = (uint8_t*)&response->data_out[len];
+ if(remRBs >= 16){
+ expandedDataInput.numBlocks = 16;
+ com_fn(expandedDataInput, &compressedDataOut);
+ len += ((3 * expandedDataInput.iqWidth) + 1) * std::min((int16_t)BlockFloatCompander::k_maxNumBlocks,(int16_t)16);
+ block_idx_bytes += 16*expandedDataInput.numDataElements;
+ remRBs -= 16;
+ }else if(remRBs >= 4){
+ expandedDataInput.numBlocks = 4;
+ com_fn(expandedDataInput, &compressedDataOut);
+ len += ((3 * expandedDataInput.iqWidth) + 1) * std::min((int16_t)BlockFloatCompander::k_maxNumBlocks,(int16_t)4);
+ block_idx_bytes +=4*expandedDataInput.numDataElements;
+ remRBs -=4;
+ }else if (remRBs >= 1){
+ expandedDataInput.numBlocks = 1;
+ com_fn(expandedDataInput, &compressedDataOut);
+ len += ((3 * expandedDataInput.iqWidth) + 1) * std::min((int16_t)BlockFloatCompander::k_maxNumBlocks,(int16_t)1);
+ block_idx_bytes +=1*expandedDataInput.numDataElements;
+ remRBs = remRBs - 1;
+ }
+ }
+
+ response->len = ((3 * expandedDataInput.iqWidth) + 1) * totalRBs;
+
+ return 0;
+}
+
+int32_t
+xranlib_decompress_avx512(const struct xranlib_decompress_request *request,
+ struct xranlib_decompress_response *response)
+{
+ BlockFloatCompander::CompressedData compressedDataInput;
+ BlockFloatCompander::ExpandedData expandedDataOut;
- expandedDataInput.dataExpanded =
- &request->data_in[block_idx*BlockFloatCompander::k_numSampsExpanded];
- compressedDataOut.dataCompressed =
- (uint8_t*)&response->data_out[len];
+ xran_bfp_decompress_fn decom_fn = NULL;
+ uint16_t totalRBs = request->numRBs;
+ uint16_t remRBs = totalRBs;
+ int16_t len = 0;
+ int16_t block_idx_bytes = 0;
+
+ switch (request->iqWidth) {
+ case 8:
+ case 9:
+ case 10:
+ case 12:
+ decom_fn = BlockFloatCompander::BFPExpandUserPlaneAvx512;
+ break;
+ default:
+ decom_fn = BlockFloatCompander::BFPExpandRef;
+ break;
+ }
- com_fn(expandedDataInput, &compressedDataOut);
- len += ((3 * expandedDataInput.iqWidth) + 1) * std::min((int16_t)BlockFloatCompander::k_numRB,(int16_t)numRBs);
+ compressedDataInput.iqWidth = request->iqWidth;
+ compressedDataInput.numDataElements = 24;
+
+ while(remRBs) {
+ compressedDataInput.dataCompressed = (uint8_t*)&request->data_in[block_idx_bytes];
+ expandedDataOut.dataExpanded = &response->data_out[len];
+ if(remRBs >= 16){
+ compressedDataInput.numBlocks = 16;
+ decom_fn(compressedDataInput, &expandedDataOut);
+ len += 16*compressedDataInput.numDataElements;
+ block_idx_bytes += ((3 * compressedDataInput.iqWidth) + 1) * std::min((int16_t)BlockFloatCompander::k_maxNumBlocks,(int16_t)16);
+ remRBs -= 16;
+ }else if(remRBs >= 4){
+ compressedDataInput.numBlocks = 4;
+ decom_fn(compressedDataInput, &expandedDataOut);
+ len += 4*compressedDataInput.numDataElements;
+ block_idx_bytes += ((3 * compressedDataInput.iqWidth) + 1) * std::min((int16_t)BlockFloatCompander::k_maxNumBlocks,(int16_t)4);
+ remRBs -=4;
+ }else if (remRBs >= 1){
+ compressedDataInput.numBlocks = 1;
+ decom_fn(compressedDataInput, &expandedDataOut);
+ len += 1*compressedDataInput.numDataElements;
+ block_idx_bytes += ((3 * compressedDataInput.iqWidth) + 1) * std::min((int16_t)BlockFloatCompander::k_maxNumBlocks,(int16_t)1);
+ remRBs = remRBs - 1;
+ }
}
- response->len = ((3 * expandedDataInput.iqWidth) + 1) * numRBs;
+ response->len = totalRBs * compressedDataInput.numDataElements * sizeof(int16_t);
return 0;
}
-/** callback function type for Symbol packet */
-typedef void (*xran_bfp_compress_bfw_fn)(const BlockFloatCompanderBFW::ExpandedData& dataIn, BlockFloatCompanderBFW::CompressedData* dataOut);
-
int32_t
xranlib_compress_avx512_bfw(const struct xranlib_compress_request *request,
struct xranlib_compress_response *response)
{
- BlockFloatCompanderBFW::ExpandedData expandedDataInput;
- BlockFloatCompanderBFW::CompressedData compressedDataKern;
- xran_bfp_compress_bfw_fn com_fn = NULL;
-
-#if 0
- for (int m = 0; m < BlockFloatCompander::k_numRB; ++m){
- for (int n = 0; n < BlockFloatCompander::k_numREReal; ++n){
- expandedDataInput.dataExpanded[m*BlockFloatCompander::k_numREReal+n] =
- request->data_in[m*BlockFloatCompander::k_numREReal+n];
- }
- }
-#endif
+ BlockFloatCompander::ExpandedData expandedDataInput;
+ BlockFloatCompander::CompressedData compressedDataOut;
+ xran_bfp_compress_fn com_fn = NULL;
- expandedDataInput.dataExpanded = request->data_in;
- compressedDataKern.dataCompressed = (uint8_t*)response->data_out;
+ if (request->numRBs != 1){
+ printf("Unsupported numRBs %d\n", request->numRBs);
+ return -1;
+ }
- com_fn = BlockFloatCompanderBFW::BlockFloatCompress_Basic;
- switch (request->iqWidth){
+ switch (request->iqWidth) {
case 8:
- expandedDataInput.iqWidth = 8;
- break;
case 9:
- expandedDataInput.iqWidth = 9;
- //com_fn = BlockFloatCompanderBFW::BlockFloatExpand_9b_AVX512
- break;
case 10:
- expandedDataInput.iqWidth = 10;
- break;
case 12:
- expandedDataInput.iqWidth = 12;
- break;
- default:
- printf("bfwIqWidth is not supported %d\n", request->iqWidth);
- return -1;
- break;
+ switch (request->numDataElements) {
+ case 16:
+ com_fn = BlockFloatCompander::BFPCompressCtrlPlane8Avx512;
+ break;
+ case 32:
+ com_fn = BlockFloatCompander::BFPCompressCtrlPlane16Avx512;
+ break;
+ case 64:
+ com_fn = BlockFloatCompander::BFPCompressCtrlPlane32Avx512;
+ break;
+ case 128:
+ com_fn = BlockFloatCompander::BFPCompressCtrlPlane64Avx512;
+ break;
+ case 24:
+ default:
+ printf("Unsupported numDataElements %d\n", request->numDataElements);
+ return -1;
+ break;
+ }
+ break;
+ default:
+ printf("Unsupported iqWidth %d\n", request->iqWidth);
+ return -1;
+ break;
}
- com_fn(expandedDataInput, &compressedDataKern);
- response->len = ((BlockFloatCompanderBFW::k_numRE/16*4*expandedDataInput.iqWidth)+1)*BlockFloatCompanderBFW::k_numRB;
+ expandedDataInput.iqWidth = request->iqWidth;
+ expandedDataInput.numDataElements = request->numDataElements;
+ expandedDataInput.numBlocks = 1;
+ expandedDataInput.dataExpanded = &request->data_in[0];
+ compressedDataOut.dataCompressed = (uint8_t*)&response->data_out[0];
- return 0;
-}
+ com_fn(expandedDataInput, &compressedDataOut);
-/** callback function type for Symbol packet */
-typedef void (*xran_bfp_decompress_fn)(const BlockFloatCompander::CompressedData& dataIn, BlockFloatCompander::ExpandedData* dataOut);
+ response->len = (((expandedDataInput.numDataElements * expandedDataInput.iqWidth) >> 3) + 1)
+ * request->numRBs;
+ return 0;
+}
int32_t
-xranlib_decompress_avx512(const struct xranlib_decompress_request *request,
- struct xranlib_decompress_response *response)
+xranlib_decompress_avx512_bfw(const struct xranlib_decompress_request *request,
+ struct xranlib_decompress_response *response)
{
-
BlockFloatCompander::CompressedData compressedDataInput;
BlockFloatCompander::ExpandedData expandedDataOut;
-
xran_bfp_decompress_fn decom_fn = NULL;
- int16_t numRBs = request->numRBs;
- int16_t len = 0;
- switch (request->iqWidth){
+ if (request->numRBs != 1){
+ printf("Unsupported numRBs %d\n", request->numRBs);
+ return -1;
+ }
+
+ switch (request->iqWidth) {
case 8:
- compressedDataInput.iqWidth = 8;
- decom_fn = BlockFloatCompander::BlockFloatExpand_8b_AVX512;
- break;
case 9:
- compressedDataInput.iqWidth = 9;
- decom_fn = BlockFloatCompander::BlockFloatExpand_9b_AVX512;
- break;
case 10:
- compressedDataInput.iqWidth = 10;
- decom_fn = BlockFloatCompander::BlockFloatExpand_10b_AVX512;
- break;
case 12:
- compressedDataInput.iqWidth = 12;
- decom_fn = BlockFloatCompander::BlockFloatExpand_12b_AVX512;
- break;
- default:
- compressedDataInput.iqWidth = request->iqWidth;
- decom_fn = BlockFloatCompander::BlockFloatExpand_Basic;
- break;
+ switch (request->numDataElements) {
+ case 16:
+ decom_fn = BlockFloatCompander::BFPExpandCtrlPlane8Avx512;
+ break;
+ case 32:
+ decom_fn = BlockFloatCompander::BFPExpandCtrlPlane16Avx512;
+ break;
+ case 64:
+ decom_fn = BlockFloatCompander::BFPExpandCtrlPlane32Avx512;
+ break;
+ case 128:
+ decom_fn = BlockFloatCompander::BFPExpandCtrlPlane64Avx512;
+ break;
+ case 24:
+ default:
+ printf("Unsupported numDataElements %d\n", request->numDataElements);
+ return -1;
+ break;
+ }
+ break;
+ default:
+ printf("Unsupported iqWidth %d\n", request->iqWidth);
+ return -1;
+ break;
}
- for (int16_t block_idx = 0;
- block_idx < RB_NUM_ROUNDUP(numRBs)/BlockFloatCompander::k_numRB;
- block_idx++) {
+ compressedDataInput.iqWidth = request->iqWidth;
+ compressedDataInput.numDataElements = request->numDataElements;
+ compressedDataInput.numBlocks = 1;
+ compressedDataInput.dataCompressed = (uint8_t*)&request->data_in[0];
+ expandedDataOut.dataExpanded = &response->data_out[0];
- compressedDataInput.dataCompressed = (uint8_t*)&request->data_in[block_idx*(((3 * compressedDataInput.iqWidth ) + 1) * BlockFloatCompander::k_numRB)];
- expandedDataOut.dataExpanded = &response->data_out[len];
+ decom_fn(compressedDataInput, &expandedDataOut);
- decom_fn(compressedDataInput, &expandedDataOut);
- len += std::min((int16_t)BlockFloatCompander::k_numSampsExpanded, (int16_t)(numRBs*BlockFloatCompander::k_numREReal));
- }
-
- response->len = numRBs * BlockFloatCompander::k_numREReal* sizeof(int16_t);
+ response->len = request->numRBs * compressedDataInput.numDataElements * sizeof(int16_t);
return 0;
}
+
Code Review / o-du / phy.git / blobdiff