71 lines
1.8 KiB
Rust
71 lines
1.8 KiB
Rust
#![no_std]
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#![no_main]
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extern crate alloc;
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use aarch64_cpu::asm::barrier;
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use alloc::boxed::Box;
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use core::fmt::Write;
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use nalgebra::{SMatrix, SVector};
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use num_traits::{One, Zero};
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use pim_isa::BankMode;
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use pim_os::{
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kernel::gemv,
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pim::{
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self, interleaved_array,
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vector::{F16x1, F16x16},
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},
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uart::Uart0,
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};
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const ROWS: usize = 128;
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const COLUMNS: usize = 128;
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const X16_ROWS: usize = ROWS / 16;
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const X16_COLUMNS: usize = COLUMNS / 16;
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#[no_mangle]
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pub extern "C" fn main() {
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pim::state::set_kernel(&gemv::KERNEL_X4);
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let mut matrix = SMatrix::<_, ROWS, COLUMNS>::zeros();
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matrix.fill_lower_triangle(F16x1::one(), 0);
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let pim_matrix = Box::new(pim::continuous_array::Matrix::<X16_ROWS, X16_COLUMNS>::from(matrix));
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let input_vector = SVector::<_, X16_COLUMNS>::from_element(F16x16::one());
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let mut output_partial_sum_vector = Box::new(SVector::<F16x16, ROWS>::zeros());
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let dummy = Box::new(0);
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let interleaved_input_vector = Box::new(interleaved_array::Vector::from(input_vector.clone()));
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// Verify everything is correctly initialized before PIM operation
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barrier::dsb(barrier::SY);
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// Execute kernel
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{
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pim::state::set_bank_mode(BankMode::PimAllBank);
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gemv::execute(
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pim_matrix.as_ref(),
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interleaved_input_vector.as_ref(),
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output_partial_sum_vector.as_mut(),
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dummy.as_ref(),
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);
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pim::state::set_bank_mode(BankMode::SingleBank);
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}
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let output_vector = SVector::<F16x1, ROWS>::from_fn(|r, _| {
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output_partial_sum_vector[r]
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.0
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.iter()
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.fold(F16x1::zero(), |acc, val| acc + *val)
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});
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core::hint::black_box(output_vector);
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writeln!(Uart0, "Done").unwrap();
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}
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