Add FFT testbench

Author: n0thingNoob

test/Zeonica_Testbench

@@ -0,0 +1,68 @@
+architecture:
+  name: "NeuraMultiCgra"
+  version: "1.0"
+
+multi_cgra_defaults:
+  base_topology: "mesh"
+  rows: 1
+  columns: 1
+
+cgra_defaults:
+  rows: 4
+  columns: 4
+  ctrl_mem_items: 20
+  base_topology: "mesh"
+
+tile_defaults:
+  num_registers: 32
+  local_memory_words: 2048
+  fu_types: ["add", "mul", "div", "fadd", "fmul", "fdiv", "logic", "cmp", "sel", "type_conv", "vfmul", "fadd_fadd", "fmul_fadd", "grant", "loop_control", "phi", "constant", "mem", "return", "mem_indexed", "alloca", "shift"]
+
+link_defaults:
+  latency: 1
+  bandwidth: 32
+
+extensions:
+  crossbar: false
+
+simulator:
+  execution_model: "serial"
+  execution_policy: "in_order_dataflow"
+  enable_fifo_model: false
+
+  logging:
+    enabled: true
+    enableTrace: true
+    file: "<test>.json.log"
+
+  driver:
+    name: "Driver"
+    frequency: "1GHz"
+    port_incoming_buffer_depth: 4
+    port_outgoing_buffer_depth: 4
+
+  device:
+    name: "Device"
+    frequency: "1GHz"
+    bind_to_architecture: true
+    memory_mode: "shared"
+    shared_memory_model: "ideal"
+    port_incoming_buffer_depth: 8
+    port_outgoing_buffer_depth: 8
+    memory_share:
+      - {tile_x: 0, tile_y: 0, group: 0}
+      - {tile_x: 1, tile_y: 0, group: 0}
+      - {tile_x: 2, tile_y: 0, group: 0}
+      - {tile_x: 3, tile_y: 0, group: 0}
+      - {tile_x: 0, tile_y: 1, group: 0}
+      - {tile_x: 1, tile_y: 1, group: 0}
+      - {tile_x: 2, tile_y: 1, group: 0}
+      - {tile_x: 3, tile_y: 1, group: 0}
+      - {tile_x: 0, tile_y: 2, group: 0}
+      - {tile_x: 1, tile_y: 2, group: 0}
+      - {tile_x: 2, tile_y: 2, group: 0}
+      - {tile_x: 3, tile_y: 2, group: 0}
+      - {tile_x: 0, tile_y: 3, group: 0}
+      - {tile_x: 1, tile_y: 3, group: 0}
+      - {tile_x: 2, tile_y: 3, group: 0}
+      - {tile_x: 3, tile_y: 3, group: 0}

test/testbench/fft/arch_spec.yaml

@@ -0,0 +1,39 @@
+package main
+
+import (
+	"log/slog"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/sarchlab/zeonica/core"
+	"github.com/sarchlab/zeonica/runtimecfg"
+)
+
+func TestFft(t *testing.T) {
+	logPath := filepath.Join(t.TempDir(), "fft.json.log")
+	f, err := os.Create(logPath)
+	if err != nil {
+		t.Fatalf("create log file: %v", err)
+	}
+	defer f.Close()
+
+	handler := slog.NewJSONHandler(f, &slog.HandlerOptions{
+		Level: core.LevelTrace,
+	})
+	slog.SetDefault(slog.New(handler))
+
+	archSpecPath, err := resolveArchSpecPath()
+	if err != nil {
+		t.Fatalf("resolve arch spec: %v", err)
+	}
+	rt, err := runtimecfg.LoadRuntime(archSpecPath, "fft")
+	if err != nil {
+		t.Fatalf("load runtime: %v", err)
+	}
+
+	mismatch := Fft(rt)
+	if mismatch != 0 {
+		t.Fatalf("fft mismatch count: got=%d expected=0", mismatch)
+	}
+}