bank_conflicts.h

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#pragma once
 
#include <cstddef>
#include <functional>
#include <optional>
#include <vector>
 
#include "sdfg/data_flow/library_node.h"
#include "sdfg/tiles/buffer_layout.h"
 
namespace sdfg {
namespace tiles {

struct BankModel {
    unsigned banks = 32;
    unsigned bank_bytes = 4;
};

size_t access_cycles(
    const BankModel& model,
    size_t elem_bytes,
    const std::vector<int64_t>& strides,
    const data_flow::SubgroupAccess& access
);

size_t slot_pad(const BankModel& model, size_t block, size_t coop_span);

size_t row_pad(
    const BankModel& model,
    size_t elem_bytes,
    PackedBuffer buffer,
    size_t align_bytes,
    const std::function<std::optional<size_t>(const PackedBuffer&)>& cost
);
 
} // namespace tiles
} // namespace sdfg