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sync with EIP commits #45

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af292b6
sync with EIP commits
jtian0 Nov 1, 2025
44009d3
Merge branch 'eip_wip' into eip_wip
jtian0 Nov 2, 2025
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55 changes: 25 additions & 30 deletions src/plugins/compressors/eip.cc
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@

#include <array>
#include <sstream>
#include <cuda_runtime.h>
#include "std_compat/memory.h"
#include "libpressio_ext/cpp/compressor.h"
Expand All @@ -12,23 +13,22 @@
#include "cusz/kernel/spv.hh"
#include "cusz/mem/cxx_backends.h"
#include "cusz/hf_hl.hh"
#include "cusz/mem/compbuf_pbk.hh"
#include "cusz/hf_impl.hh"
#include "cusz/mem/buf_eip.hh"

namespace libpressio { namespace compressors { namespace eip_ns {


constexpr size_t Radius = 128;
using T = float; using M = uint32_t;
using E = uint16_t;
constexpr size_t Radius = 128;
using T = float; using M = uint32_t; using E = uint16_t;
template <class T> using PC_ref = psz::PredConfig<T, psz::PredFunc<Toggle::ZigZagDisabled>>;
template <class T> using GPU_xlrz_ref = psz::module::GPU_x_lorenzo_nd<T, PC_ref<T>>;
using Buf = psz::CompressorBufferPbk2<float, 128>;
using PC_eip = psz::PredConfig<
T, psz::PredFunc<
Toggle::ZigZagDisabled, Toggle::StatLocalEnabled, Toggle::StatGlobalDisabled,
Toggle::QuantGroupingDisabled, Toggle::FutureEIPEnabled>>;
using GPU_EIP_comp_r128 = psz::module::GPU_c_lorenzo_1d_eip<f4, EIP_PC_f4, 128, 4 /* 4 points per thread, best case for perf*/>;
using BufToggle = psz::CompressorBufferPbkToggle;
using GPU_EIP_comp_r128 = psz::module::GPU_c_lorenzo_1d_eip<float, EIP_PC_f4, 128, 4 /* 4 points per thread, best case for perf*/>;
using BufToggle = psz::BufToggle_EIP;
using Buf = psz::Buf_EIP<float, 128>;

BufToggle toggle_eip{.pbk_all = true};

Expand Down Expand Up @@ -95,18 +95,17 @@ class eip_compressor_plugin : public libpressio_compressor_plugin {
if(real_input->dtype() != pressio_float_dtype) return set_error(1, "unsupported type");
auto input = domain_manager().make_readable(domain_plugins().build("cudamalloc"), *real_input);


cudaStream_t stream;
cudaStreamCreate(&stream);

GPU_EIP_comp_r128::kernel(
(float*)input.data(), input.num_elements(), (void*)eip->outlier(), bound, eip->pbk_books(),
eip->pbk_book_IDs(), eip->pbk_bitstream(), eip->pbk_bits(),
eip->pbk_entries(), eip->pbk_loc(), eip->pbk_break(), stream);
(float*)input.data(), input.num_elements(), bound, eip->pbk_BOOKs_d(),
(void*)eip->outlier(), eip->pbk_bitstream_d(), eip->pbk_break(), eip->pbk_book_IDs_d(), eip->pbk_bits_d(), eip->pbk_entries_d(), eip->pbk_loc(),
stream);

auto endloc = eip->pbk_encoding_endloc(); // contains a d2h copy of one size_t
auto endloc = eip->pbk_comp_len(); // contains a d2h copy of one size_t
auto brlen = eip->host_get_pbk_break_num();
auto splen = eip->host_get_unpredictable_num();
auto splen = eip->host_get_outlier_num();

// right now, the errno is arbirarily defined.
std::stringstream ss;
Expand All @@ -115,25 +114,24 @@ class eip_compressor_plugin : public libpressio_compressor_plugin {
<< eip->pbk_break_num_max() << ") exceeded";
return set_error(1, ss.str());
}
if (splen >= eip->unpredictable_num_max() - 1) {
if (splen >= eip->outlier_num_max() - 1) {
ss << "[psz::warning::pbk_run::EIP] max allowed unpredictable ("
<< eip->outlier_ratio() << " * input-len) exceeded";
return set_error(1, ss.str());
}

*output = pressio_data::join({
pressio_data(std::make_tuple(endloc, brlen, splen)),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_book_IDs())>>(), eip->pbk_book_IDs(), {eip->num_chunk()}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_entries())>>(), eip->pbk_entries(), {eip->num_chunk()}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_bits())>>(), eip->pbk_bits(), {eip->num_chunk()}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_bitstream())>>(), eip->pbk_bitstream(), {endloc}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_break_val())>>(), eip->pbk_break_val(), {brlen}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_break_idx())>>(), eip->pbk_break_idx(), {brlen}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->unpredictable_val())>>(), eip->unpredictable_val(), {splen}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->unpredictable_idx())>>(), eip->unpredictable_idx(), {splen}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_book_IDs_d())>>(), eip->pbk_book_IDs_d(), {eip->num_chunk()}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_entries_d())>>(), eip->pbk_entries_d(), {eip->num_chunk()}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_bits_d())>>(), eip->pbk_bits_d(), {eip->num_chunk()}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_bitstream_d())>>(), eip->pbk_bitstream_d(), {endloc}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_break_val_d())>>(), eip->pbk_break_val_d(), {brlen}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->pbk_break_idx_d())>>(), eip->pbk_break_idx_d(), {brlen}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->outlier_val_d())>>(), eip->outlier_val_d(), {splen}, "cudamalloc"),
pressio_data::nonowning(pressio_dtype_from_type<std::decay_t<decltype(*eip->outlier_idx_d())>>(), eip->outlier_idx_d(), {splen}, "cudamalloc"),
});


return 0;
}

Expand Down Expand Up @@ -171,7 +169,6 @@ class eip_compressor_plugin : public libpressio_compressor_plugin {

size_t splen, brlen, endloc;
std::tie(endloc, brlen, splen) = restore.at(0).to_tuple<std::tuple<size_t, size_t, size_t>>();


cudaStream_t stream;
cudaStreamCreate(&stream);
Expand All @@ -184,8 +181,8 @@ class eip_compressor_plugin : public libpressio_compressor_plugin {
size_t len = output->num_elements();
pressio_data ectrl_eip(pressio_data::owning(pressio_dtype_from_type<E>(), {len}));
phf::cuhip::modules<E, Hf>::CPU_pbk_coarse_decode(
(uint32_t*)bitstream.data(), endloc, eip->pbk_revbooks_h(), eip->PBK_RVBK_BYTES(),
(uint8_t*)book_ids.data(), (uint16_t*)bits.data(), (uint32_t*)entries.data(),
(uint32_t*)restore.at(4).data(), endloc, eip->pbk_RVBKs_h(), eip->PBK_RVBK_BYTES(),
(uint8_t*)restore.at(1).data(), (uint16_t*)restore.at(3).data(), (uint32_t*)restore.at(2).data(),
(E*)ectrl_eip.data(), len);

// request an h2d copy: use host buffer for Huffman decoding
Expand All @@ -201,11 +198,9 @@ class eip_compressor_plugin : public libpressio_compressor_plugin {
auto d_space = (T*)output->data(), d_xdata = (T*)output->data(); // aliases

std::array<size_t, 3> len3_std;
GPU_xlrz_ref<T>::kernel(eip->ectrl(), d_space, d_xdata, len3_std, bound, Radius, stream);
GPU_xlrz_ref<T>::kernel(eip->equant_d(), d_space, d_xdata, len3_std, bound, Radius, stream);
cudaStreamSynchronize(stream);



return 0;
}

Expand Down