source/bubel/ecs/entity.d

@@ -45,6 +45,28 @@ struct Entity
             uint ind = cast(uint)((cast(void*)&this - block.dataBegin()) / EntityID.sizeof());
         return cast(T*)(cast(void*)block + info.deltas[T.component_id] + ind * T.sizeof);
     }
+
+    EntityMeta getMeta()
+    {
+        EntityMeta meta;
+        meta.block = gEM.getMetaData(&this);
+        static if (EntityID.sizeof == 8)
+            meta.index = cast(ushort)((cast(void*)&this - meta.block.dataBegin()) >> 3);
+        else
+            meta.index = cast(ushort)((cast(void*)&this - meta.block.dataBegin()) / EntityID.sizeof());
+        return meta;
+    }
+}
+
+struct EntityMeta
+{
+    EntityManager.EntitiesBlock* block;
+    ushort index;
+
+    T* getComponent(T)() const
+    {
+        return cast(T*)(cast(void*)block + block.type_info.deltas[T.component_id] + index * T.sizeof);
+    }
 }
 
 /************************************************************************************************************************

tests/access_perf.d

@@ -0,0 +1,128 @@
+module tests.access_perf;
+
+import tests.runner;
+
+import bubel.ecs.core;
+import bubel.ecs.manager;
+import bubel.ecs.entity;
+
+import std.array : staticArray;
+
+import core.stdc.stdio;
+
+struct CLong
+{
+    mixin ECS.Component;
+
+    alias value this;
+
+    long value = 10;
+}
+
+struct CInt
+{
+    mixin ECS.Component;
+
+    alias value this;
+
+    int value = 10;
+}
+
+struct CUInt
+{
+    mixin ECS.Component;
+
+    alias value this;
+
+    uint value = 12;
+}
+
+struct CBig
+{
+    mixin ECS.Component;
+    uint[32] data;
+}
+
+EntityTemplate* tmpl;
+
+void beforeEveryTest()
+{
+    gEM.initialize(0);
+
+    gEM.beginRegister();
+
+    gEM.registerComponent!CLong;
+    gEM.registerComponent!CInt;
+    gEM.registerComponent!CUInt;
+    gEM.registerComponent!CBig;
+
+    gEM.endRegister();
+
+    tmpl = gEM.allocateTemplate([CLong.component_id, CInt.component_id, CUInt.component_id, CBig.component_id].staticArray);
+    foreach(i; 0 .. 100_000)gEM.addEntity(tmpl);
+}
+
+void afterEveryTest()
+{
+    if(tmpl)gEM.freeTemplate(tmpl);
+    tmpl = null;
+    gEM.destroy();
+}
+
+@("DirectAccess100k1comp") 
+unittest
+{
+    foreach(i;0..25000)
+    {
+        Entity* entity = gEM.getEntity(EntityID(i*4+1,0));
+        CUInt* comp1 = entity.getComponent!CUInt;
+        comp1.value = 4;
+    }
+}
+
+@("DirectAccess100k4comp") 
+unittest
+{
+    foreach(i;0..25000)
+    {
+        Entity* entity = gEM.getEntity(EntityID(i*4+1,0));
+        CUInt* comp1 = entity.getComponent!CUInt;
+        comp1.value = 4;
+        CInt* comp2 = entity.getComponent!CInt;
+        comp2.value = 3;
+        CLong* comp3 = entity.getComponent!CLong;
+        comp3.value = 1;
+        CBig* comp4 = entity.getComponent!CBig;
+        comp4.data[0] = 2;
+    }
+}
+
+@("DirectAccess100k1compWithMeta") 
+unittest
+{
+    foreach(i;0..25000)
+    {
+        Entity* entity = gEM.getEntity(EntityID(i*4+1,0));
+        EntityMeta meta = entity.getMeta();
+        CUInt* comp1 = meta.getComponent!CUInt;
+        comp1.value = 4;
+    }
+}
+
+@("DirectAccess100k4compWithMeta") 
+unittest
+{
+    foreach(i;0..25000)
+    {
+        Entity* entity = gEM.getEntity(EntityID(i*4+1,0));
+        EntityMeta meta = entity.getMeta();
+        CUInt* comp1 = meta.getComponent!CUInt;
+        comp1.value = 4;
+        CInt* comp2 = meta.getComponent!CInt;
+        comp2.value = 3;
+        CLong* comp3 = meta.getComponent!CLong;
+        comp3.value = 1;
+        CBig* comp4 = meta.getComponent!CBig;
+        comp4.data[0] = 2;
+    }
+}

tests/perf.d

@@ -0,0 +1,178 @@
+module tests.perf;
+
+import tests.runner;
+
+import bubel.ecs.core;
+import bubel.ecs.manager;
+import bubel.ecs.entity;
+
+import std.array : staticArray;
+
+import core.stdc.stdio;
+
+struct CLong
+{
+    mixin ECS.Component;
+
+    alias value this;
+
+    long value = 10;
+}
+
+struct CShort
+{
+    mixin ECS.Component;
+
+    alias value this;
+
+    short value = 12;
+}
+
+struct CInt
+{
+    mixin ECS.Component;
+
+    alias value this;
+
+    int value = 10;
+}
+
+struct CUInt
+{
+    mixin ECS.Component;
+
+    alias value this;
+
+    uint value = 12;
+}
+
+struct CBig
+{
+    mixin ECS.Component;
+    uint[32] data;
+}
+
+EntityTemplate* tmpl;
+
+void beforeEveryTest()
+{
+    gEM.initialize(0);
+
+    gEM.beginRegister();
+
+    gEM.registerComponent!CLong;
+    gEM.registerComponent!CShort;
+    gEM.registerComponent!CInt;
+    gEM.registerComponent!CUInt;
+    gEM.registerComponent!CBig;
+
+    gEM.endRegister();
+    tmpl = null;
+}
+
+void afterEveryTest()
+{
+    if(tmpl)gEM.freeTemplate(tmpl);
+    tmpl = null;
+    gEM.destroy();
+}
+
+void smallTmpl()
+{
+    tmpl = gEM.allocateTemplate([CShort.component_id].staticArray);
+}
+
+void bigTmpl()
+{
+    tmpl = gEM.allocateTemplate([CBig.component_id].staticArray);
+}
+
+void multiSmallTmpl()
+{
+    tmpl = gEM.allocateTemplate([CShort.component_id, CLong.component_id, CInt.component_id, CUInt.component_id].staticArray);
+}
+
+void multiBigTmpl()
+{
+    tmpl = gEM.allocateTemplate([CLong.component_id, CInt.component_id, CUInt.component_id, CBig.component_id].staticArray);
+}
+
+@("AddEntities100k1comp2b")  @(before, &smallTmpl)
+unittest
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+}
+
+@("AddEntities100k1comp128b")  @(before, &bigTmpl)
+unittest
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+}
+
+@("AddEntities100k4comp18b")  @(before, &multiSmallTmpl)
+unittest
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+}
+
+@("AddEntities100k4comp144b")  @(before, &multiBigTmpl)
+unittest
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+}
+
+void allocDealloc100k()
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+    gEM.commit();
+    foreach(i; 0..100_000)gEM.removeEntity(EntityID(i + 1,0));
+    gEM.commit();
+}
+
+void smallTmplPreAlloc()
+{
+    tmpl = gEM.allocateTemplate([CShort.component_id].staticArray);
+    allocDealloc100k();
+}
+
+void bigTmplPreAlloc()
+{
+    tmpl = gEM.allocateTemplate([CBig.component_id].staticArray);
+    allocDealloc100k();
+}
+
+void multiSmallTmplPreAlloc()
+{
+    tmpl = gEM.allocateTemplate([CShort.component_id, CLong.component_id, CInt.component_id, CUInt.component_id].staticArray);
+    allocDealloc100k();
+}
+
+void multiBigTmplPreAlloc()
+{
+    tmpl = gEM.allocateTemplate([CLong.component_id, CInt.component_id, CUInt.component_id, CBig.component_id].staticArray);
+    allocDealloc100k();
+}
+
+@("AddEntities100k1comp2bPreAlloc")  @(before, &smallTmplPreAlloc)
+unittest
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+}
+
+@("AddEntities100k1comp128bPreAlloc")  @(before, &bigTmplPreAlloc)
+unittest
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+}
+
+@("AddEntities100k4comp18bPreAlloc")  @(before, &multiSmallTmplPreAlloc)
+unittest
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+}
+
+@("AddEntities100k4comp144bPreAlloc")  @(before, &multiBigTmplPreAlloc)
+unittest
+{
+    foreach(i; 0..100_000)gEM.addEntity(tmpl);
+}

tests/runner.d

@@ -9,8 +9,19 @@ import bubel.ecs.vector;
 import bubel.ecs.simple_vector;
 import bubel.ecs.std;
 
+import std.traits;
+
 import tests.time;
 
+version (LDC)
+{
+    import ldc.attributes;
+}
+else
+{
+    enum optStrategy = 0;
+}
+
 enum int ASSERTED = 123;
 enum string OUT_FILE = "test_report.xml";
 
@@ -124,23 +135,44 @@ struct TestRunner(Args...)
         write("</testsuites>");
     }
 
+    @(optStrategy,"none")
     void runTests(string[] include = null, string[] exclude = null)
     {
         foreach (i, module_; Args)
         {
             TestSuite* suite = &suites[i];
             suite.name = module_.stringof;
+
+            void function() before;
+            void function() after;
+
             foreach (index, unittest_; __traits(getUnitTests, module_))
             {
                 enum attributes = __traits(getAttributes, unittest_);
+
                 static if (attributes.length != 0)
+                {
+                    foreach(attr_id, attr; attributes)
+                    {
+                        static if(isFunctionPointer!(attr)){}
+                        else static if(attr == "_tr_before")
+                        {
+                            static assert(attr_id+1 < attributes.length);
+                            enum attr2 = attributes[attr_id + 1];
+                            //static assert(__traits(hasMember, module_, attr2));
+                            //alias func = __traits(getMember, module_, attr2);
+                            //attr2();
+                            before = attr2;
+                            //static assert(is(typeof(__traits(getMember, module_, attr2)) == void function()));
+                        }
+                        else
                         {
                             if (include.length > 0)
                             {
                                 bool matched = false;
                                 foreach (str; include)
                                 {
-                            if (match(str, attributes[0]))
+                                    if (match(str, attr))
                                     {
                                         matched = true;
                                         break;
@@ -149,7 +181,7 @@ struct TestRunner(Args...)
 
                                 foreach (str; exclude)
                                 {
-                            if (match(str, attributes[0]))
+                                    if (match(str, attr))
                                     {
                                         matched = false;
                                         break;
@@ -163,6 +195,8 @@ struct TestRunner(Args...)
                                 }
                             }
                         }
+                    }
+                }
                 else if (include.length > 0)
                 {
                     suite.skipped++;
@@ -178,6 +212,7 @@ struct TestRunner(Args...)
 
                 static if (__traits(hasMember, module_, "beforeEveryTest"))
                     module_.beforeEveryTest();
+                if(before)before();
 
                 version(D_BetterC)
                 {
@@ -318,6 +353,8 @@ version (notBetterC)
     version (D_Coverage) extern (C) void dmd_coverDestPath(string path);
 }
 
+enum before = "_tr_before";
+
 void extractStrings(ref Vector!string container, string str)
 {
     uint s = 0;
@@ -383,7 +420,7 @@ extern (C) int main(int argc, char** args)
         }
     }
 
-    TestRunner!(tests.runner, tests.id_manager, tests.vector, tests.basic) runner;
+    TestRunner!(tests.id_manager, tests.vector, tests.basic, tests.perf, tests.access_perf) runner;
 
     runner.runTests(include[], exclude[]);