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use crate::benchmarks::{BenchDevice, BenchDeviceHandler};
use candle_core::{DType, Device, Tensor};
use criterion::{black_box, criterion_group, Criterion, Throughput};
use std::time::Instant;
fn run(a: &Tensor) {
a.affine(12.34, 56.78).unwrap();
}
fn run_affine_benchmark(c: &mut Criterion, device: &Device, dtype: DType, name: &str) {
let b = 1;
let m = 1024;
let k = 1024;
let tensor = Tensor::zeros((b, m, k), dtype, device).unwrap();
let flops = b * m * k * dtype.size_in_bytes();
let mut group = c.benchmark_group(device.bench_name(name));
group.throughput(Throughput::Bytes(flops as u64));
group.bench_function("iter", move |b| {
b.iter_custom(|iters| {
let start = Instant::now();
for _i in 0..iters {
run(black_box(&tensor));
}
device.sync().unwrap();
start.elapsed()
})
});
group.finish();
}
fn criterion_benchmark(c: &mut Criterion) {
let handler = BenchDeviceHandler::new().unwrap();
for device in handler.devices {
run_affine_benchmark(c, &device, DType::F32, "affine_f32");
run_affine_benchmark(c, &device, DType::F16, "affine_f16");
run_affine_benchmark(c, &device, DType::BF16, "affine_bf16");
}
}
criterion_group!(benches, criterion_benchmark);
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