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// SPDX-License-Identifier: Apache-2.0
// Stem writer (sceneseg-p150 OPT_PLAN K-IN kernel form / MK0, tt/stem.py): the fp32 output tiles of this core's
// range (work split as the reader) to the [1, 1, HOUT * WOUT, 32] TILE map, flushed per tile.
// CT args: [0] T, [1] NC, [2] GX, then the output's TensorAccessorArgs. Common RT args: [out].
#include <cstdint>

#include "api/dataflow/dataflow_api.h"

constexpr uint32_t T = get_compile_time_arg_val(0);
constexpr uint32_t NC = get_compile_time_arg_val(1);
constexpr uint32_t GX = get_compile_time_arg_val(2);
constexpr auto out_args = TensorAccessorArgs<3>();
constexpr uint32_t cb_out = 16;

void kernel_main() {
    const uint32_t core = get_absolute_logical_y() * GX + get_absolute_logical_x();
    if (core >= NC) {
        return;
    }
    constexpr uint32_t B = T / NC, E = T % NC;
    const uint32_t t0 = core * B + (core < E ? core : E);
    const uint32_t n = B + (core < E ? 1 : 0);
    const auto out = TensorAccessor(out_args, get_common_arg_val<uint32_t>(0), 4096);
    for (uint32_t t = t0; t < t0 + n; ++t) {
        cb_wait_front(cb_out, 1);
        noc_async_write(get_read_ptr(cb_out), out.get_noc_addr(t), 4096);
        noc_async_writes_flushed();
        cb_pop_front(cb_out, 1);
    }
    noc_async_write_barrier();
}