add pimsim-nn simulator

.gitmodules

@@ -1,3 +1,6 @@
 [submodule "onnx-mlir"]
 	path = onnx-mlir
 	url = https://github.com/onnx/onnx-mlir.git
+[submodule "backend-simulators/pim/pimsim-nn"]
+	path = backend-simulators/pim/pimsim-nn
+	url = https://github.com/wangxy-2000/pimsim-nn.git

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

@@ -20,11 +20,11 @@ where
     let mut cpu = CPU::new(0);
     cpu.reserve_crossbar(1, 1024 * size_of::<f32>(),  1024);
     let (memory, crossbars) = cpu.host().get_memory_crossbar();
-    let matrix = simple_read(Path::new("./tests/B.txt")) ;
+    let matrix = simple_read(Path::new("B.txt")) ;
 
     
     crossbars.get_mut(0).unwrap().execute_store( &matrix).unwrap();
-    let vector = simple_read(Path::new("./tests/A.txt"));
+    let vector = simple_read(Path::new("A.txt"));
     memory.execute_store(0, &vector).unwrap();
 
     let mut inst_builder = InstructionsBuilder::new();
@@ -57,7 +57,7 @@ where
             .cpu_mut()
             .host()
             .load::<f32>(1024 * size_of::<f32>(), 1024*size_of::<f32>()).unwrap()[0].iter().zip(
-        simple_read(Path::new("./tests/X.txt")) ).all(|(&a,b) : (&f32, f32)| {a-b < 0.001}),
+        simple_read(Path::new("X.txt")) ).all(|(&a,b) : (&f32, f32)| {a-b < 0.001}),
         "Wrong result for {}",
         err
     );

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

@@ -43,7 +43,7 @@ fn collect_json_from_subfolders<P: AsRef<Path>>(root: P) -> Result<Vec<(Value, V
 
 #[test]
 fn json_folder_tester() {
-    let examples = collect_json_from_subfolders("./tests/data").unwrap();
+    let examples = collect_json_from_subfolders("data").unwrap();
     for example in examples {
         let (config, cores) = example;
         json_to_executor::json_to_executor(config, cores.iter()).execute();