add throughput mode to pim-simulator

backend-simulators/pim/pim-simulator/tests/batch.rs

@@ -0,0 +1,70 @@
+mod common;
+
+use pimcore::{
+    CoreInstructionsBuilder, Executable,
+    instruction_set::{InstructionsBuilder, instruction_data::InstructionDataBuilder, isa::*},
+};
+
+#[test]
+fn restarts_cores_and_loads_each_input() {
+    let cpu = common::empty_cpu(1);
+    let mut cores = CoreInstructionsBuilder::new(1);
+    let mut instructions = InstructionsBuilder::new();
+    let mut data = InstructionDataBuilder::new();
+    data.set_core_indx(1).fix_core_indx();
+    instructions.make_inst(sldi, data.set_rdimm(1, 0).build());
+    instructions.make_inst(sldi, data.set_rdimm(2, 0).build());
+    instructions.make_inst(ld, data.set_rdr1(2, 1).set_imm_len(4).build());
+    instructions.make_inst(sldi, data.set_rdimm(3, 4).build());
+    instructions.make_inst(st, data.set_rdr1(3, 2).set_imm_len(4).build());
+    cores.set_core(1, instructions.build());
+
+    let mut executable = Executable::new(cpu, cores.build());
+    let first = 1.0f32.to_ne_bytes();
+    let second = 2.0f32.to_ne_bytes();
+    assert!(
+        executable
+            .execute_batch(&[&first[..3]], &[(0, 4)], &[])
+            .is_err()
+    );
+    executable
+        .execute_batch(&[&first, &second], &[(0, 4)], &[])
+        .unwrap();
+
+    assert_eq!(
+        executable.cpu_mut().host().load::<f32>(4, 4).unwrap()[0],
+        [2.0]
+    );
+}
+
+#[test]
+fn records_each_iteration_output() {
+    let cpu = common::empty_cpu(1);
+    let mut cores = CoreInstructionsBuilder::new(1);
+    let mut instructions = InstructionsBuilder::new();
+    let mut data = InstructionDataBuilder::new();
+    data.set_core_indx(1).fix_core_indx();
+    instructions.make_inst(sldi, data.set_rdimm(1, 0).build());
+    instructions.make_inst(sldi, data.set_rdimm(2, 0).build());
+    instructions.make_inst(ld, data.set_rdr1(2, 1).set_imm_len(4).build());
+    instructions.make_inst(sldi, data.set_rdimm(3, 4).build());
+    instructions.make_inst(st, data.set_rdr1(3, 2).set_imm_len(4).build());
+    cores.set_core(1, instructions.build());
+
+    let mut executable = Executable::new(cpu, cores.build());
+    let first = 1.0f32.to_ne_bytes();
+    let second = 2.0f32.to_ne_bytes();
+    let outputs = executable
+        .execute_batch(&[&first, &second], &[(0, 4)], &[(4, 2), (6, 2)])
+        .unwrap();
+
+    assert_eq!(outputs.len(), 2);
+    assert_eq!(
+        f32::from_ne_bytes(outputs[0].as_slice().try_into().unwrap()),
+        1.0
+    );
+    assert_eq!(
+        f32::from_ne_bytes(outputs[1].as_slice().try_into().unwrap()),
+        2.0
+    );
+}