diff --git a/develop/all.lua b/develop/all.lua
index 43e462d..aa3bf50 100644
--- a/develop/all.lua
+++ b/develop/all.lua
@@ -8,6 +8,7 @@ require 'develop.testing.requires_fragment_tests'
 require 'develop.testing.system_as_query_tests'
 
 require 'develop.benchmarks.clone_bmarks'
+require 'develop.benchmarks.common_bmarks'
 require 'develop.benchmarks.migration_bmarks'
 require 'develop.benchmarks.process_bmarks'
 require 'develop.benchmarks.spawn_bmarks'
@@ -15,8 +16,6 @@ require 'develop.benchmarks.table_bmarks'
 
 require 'develop.untests'
 
-require 'develop.usbench'
-
 local basics = require 'develop.basics'
 
 print '----------------------------------------'
diff --git a/develop/benchmarks/common_bmarks.lua b/develop/benchmarks/common_bmarks.lua
new file mode 100644
index 0000000..4e5964f
--- /dev/null
+++ b/develop/benchmarks/common_bmarks.lua
@@ -0,0 +1,340 @@
+local evo = require 'evolved'
+local basics = require 'develop.basics'
+
+local tiny = require 'develop.3rdparty.tiny'
+
+evo.debug_mode(false)
+
+local N = 1000
+
+print '----------------------------------------'
+
+basics.describe_bench(string.format('Common Benchmarks: Tiny Entity Cycle | %d entities', N),
+    function(world)
+        world:update()
+    end, function()
+        local world = tiny.world()
+
+        for _ = 1, N do
+            world:addEntity({ a = 0 })
+        end
+
+        local A = tiny.processingSystem()
+        A.filter = tiny.requireAll('a')
+        A.process = function(_, e) world:addEntity({ b = e.a }) end
+        A.postProcess = function(_) world:refresh() end
+
+        local B = tiny.processingSystem()
+        B.filter = tiny.requireAll('b')
+        B.process = function(_, e) world:removeEntity(e) end
+        B.postProcess = function(_) world:refresh() end
+
+        world:addSystem(A)
+        world:addSystem(B)
+
+        world:refresh()
+
+        return world
+    end)
+
+basics.describe_bench(string.format('Common Benchmarks: Evolved Entity Cycle | %d entities', N),
+    function(world)
+        evo.process(world)
+    end, function()
+        local world = evo.builder()
+            :destruction_policy(evo.DESTRUCTION_POLICY_DESTROY_ENTITY)
+            :spawn()
+
+        local a = evo.builder():set(world):spawn()
+        local b = evo.builder():set(world):spawn()
+
+        local query_a = evo.builder():set(world):include(a):spawn()
+        local query_b = evo.builder():set(world):include(b):spawn()
+
+        local prefab_a = evo.builder():prefab():set(world):set(a, 0):spawn()
+        local prefab_b = evo.builder():prefab():set(world):set(b, 0):spawn()
+
+        evo.multi_clone(N, prefab_a)
+
+        evo.builder()
+            :set(world):group(world):query(query_a)
+            :execute(function(chunk, _, entity_count)
+                local as = chunk:components(a)
+                local entity_bs = evo.multi_clone(entity_count, prefab_b)
+                for i = 1, entity_count do evo.set(entity_bs[i], b, as[i]) end
+            end):spawn()
+
+        evo.builder()
+            :set(world):group(world):query(query_b)
+            :prologue(function()
+                evo.batch_destroy(query_b)
+            end):spawn()
+
+        return world
+    end, function(world)
+        evo.destroy(world)
+    end)
+
+print '----------------------------------------'
+
+basics.describe_bench(string.format('Common Benchmarks: Tiny Simple Iteration | %d entities', N),
+    function(world)
+        world:update()
+    end, function()
+        local world = tiny.world()
+
+        for _ = 1, N do
+            world:addEntity({ a = 0, b = 0 })
+            world:addEntity({ a = 0, b = 0, c = 0 })
+            world:addEntity({ a = 0, b = 0, c = 0, d = 0 })
+            world:addEntity({ a = 0, b = 0, c = 0, e = 0 })
+        end
+
+        local AB = tiny.processingSystem()
+        AB.filter = tiny.requireAll('a', 'b')
+        AB.process = function(_, e) e.a, e.b = e.b, e.a end
+
+        local CD = tiny.processingSystem()
+        CD.filter = tiny.requireAll('c', 'd')
+        CD.process = function(_, e) e.c, e.d = e.d, e.c end
+
+        local CE = tiny.processingSystem()
+        CE.filter = tiny.requireAll('c', 'e')
+        CE.process = function(_, e) e.c, e.e = e.e, e.c end
+
+        world:addSystem(AB)
+        world:addSystem(CD)
+        world:addSystem(CE)
+
+        world:refresh()
+
+        return world
+    end)
+
+basics.describe_bench(string.format('Common Benchmarks: Evolved Simple Iteration | %d entities', N),
+    function(world)
+        evo.process(world)
+    end, function()
+        local world = evo.builder()
+            :destruction_policy(evo.DESTRUCTION_POLICY_DESTROY_ENTITY)
+            :spawn()
+
+        local a = evo.builder():set(world):spawn()
+        local b = evo.builder():set(world):spawn()
+        local c = evo.builder():set(world):spawn()
+        local d = evo.builder():set(world):spawn()
+        local e = evo.builder():set(world):spawn()
+
+        local query_ab = evo.builder():set(world):include(a, b):spawn()
+        local query_cd = evo.builder():set(world):include(c, d):spawn()
+        local query_ce = evo.builder():set(world):include(c, e):spawn()
+
+        evo.multi_spawn(N, { [world] = true, [a] = 0, [b] = 0 })
+        evo.multi_spawn(N, { [world] = true, [a] = 0, [b] = 0, [c] = 0 })
+        evo.multi_spawn(N, { [world] = true, [a] = 0, [b] = 0, [c] = 0, [d] = 0 })
+        evo.multi_spawn(N, { [world] = true, [a] = 0, [b] = 0, [c] = 0, [e] = 0 })
+
+        evo.builder()
+            :set(world):group(world):query(query_ab)
+            :execute(function(chunk, _, entity_count)
+                local as, bs = chunk:components(a, b)
+                for i = 1, entity_count do as[i], bs[i] = bs[i], as[i] end
+            end):spawn()
+
+        evo.builder()
+            :set(world):group(world):query(query_cd)
+            :execute(function(chunk, _, entity_count)
+                local cs, ds = chunk:components(c, d)
+                for i = 1, entity_count do cs[i], ds[i] = ds[i], cs[i] end
+            end):spawn()
+
+        evo.builder()
+            :set(world):group(world):query(query_ce)
+            :execute(function(chunk, _, entity_count)
+                local cs, es = chunk:components(c, e)
+                for i = 1, entity_count do cs[i], es[i] = es[i], cs[i] end
+            end):spawn()
+
+        return world
+    end, function(world)
+        evo.destroy(world)
+    end)
+
+print '----------------------------------------'
+
+basics.describe_bench(string.format('Common Benchmarks: Tiny Packed Iteration | %d entities', N),
+    function(world)
+        world:update()
+    end, function()
+        local world = tiny.world()
+
+        for _ = 1, N do
+            world:addEntity({ a = 0, b = 0, c = 0, d = 0, e = 0 })
+        end
+
+        local A = tiny.processingSystem()
+        A.filter = tiny.requireAll('a')
+        A.process = function(_, e) e.a = e.a * 2 end
+
+        local B = tiny.processingSystem()
+        B.filter = tiny.requireAll('b')
+        B.process = function(_, e) e.b = e.b * 2 end
+
+        local C = tiny.processingSystem()
+        C.filter = tiny.requireAll('c')
+        C.process = function(_, e) e.c = e.c * 2 end
+
+        local D = tiny.processingSystem()
+        D.filter = tiny.requireAll('d')
+        D.process = function(_, e) e.d = e.d * 2 end
+
+        local E = tiny.processingSystem()
+        E.filter = tiny.requireAll('e')
+        E.process = function(_, e) e.e = e.e * 2 end
+
+        world:addSystem(A)
+        world:addSystem(B)
+        world:addSystem(C)
+        world:addSystem(D)
+        world:addSystem(E)
+
+        world:refresh()
+
+        return world
+    end)
+
+basics.describe_bench(string.format('Common Benchmarks: Evolved Packed Iteration | %d entities', N),
+    function(world)
+        evo.process(world)
+    end, function()
+        local world = evo.builder()
+            :destruction_policy(evo.DESTRUCTION_POLICY_DESTROY_ENTITY)
+            :spawn()
+
+        local a = evo.builder():set(world):spawn()
+        local b = evo.builder():set(world):spawn()
+        local c = evo.builder():set(world):spawn()
+        local d = evo.builder():set(world):spawn()
+        local e = evo.builder():set(world):spawn()
+
+        local query_a = evo.builder():set(world):include(a):spawn()
+        local query_b = evo.builder():set(world):include(b):spawn()
+        local query_c = evo.builder():set(world):include(c):spawn()
+        local query_d = evo.builder():set(world):include(d):spawn()
+        local query_e = evo.builder():set(world):include(e):spawn()
+
+        evo.multi_spawn(N, { [world] = true, [a] = 0, [b] = 0, [c] = 0, [d] = 0, [e] = 0 })
+
+        evo.builder()
+            :set(world):group(world):query(query_a)
+            :execute(function(chunk, _, entity_count)
+                local as = chunk:components(a)
+                for i = 1, entity_count do as[i] = as[i] * 2 end
+            end):spawn()
+
+        evo.builder()
+            :set(world):group(world):query(query_b)
+            :execute(function(chunk, _, entity_count)
+                local bs = chunk:components(b)
+                for i = 1, entity_count do bs[i] = bs[i] * 2 end
+            end):spawn()
+
+        evo.builder()
+            :set(world):group(world):query(query_c)
+            :execute(function(chunk, _, entity_count)
+                local cs = chunk:components(c)
+                for i = 1, entity_count do cs[i] = cs[i] * 2 end
+            end):spawn()
+
+        evo.builder()
+            :set(world):group(world):query(query_d)
+            :execute(function(chunk, _, entity_count)
+                local ds = chunk:components(d)
+                for i = 1, entity_count do ds[i] = ds[i] * 2 end
+            end):spawn()
+
+        evo.builder()
+            :set(world):group(world):query(query_e)
+            :execute(function(chunk, _, entity_count)
+                local es = chunk:components(e)
+                for i = 1, entity_count do es[i] = es[i] * 2 end
+            end):spawn()
+
+        return world
+    end, function(world)
+        evo.destroy(world)
+    end)
+
+print '----------------------------------------'
+
+basics.describe_bench(string.format('Common Benchmarks: Tiny Fragmented Iteration | %d entities', N),
+    function(world)
+        world:update()
+    end, function()
+        local world = tiny.world()
+
+        ---@type string[]
+        local chars = {}
+
+        for i = 1, 26 do
+            chars[i] = string.char(string.byte('a') + i - 1)
+        end
+
+        for i, char in ipairs(chars) do
+            for _ = 1, N do
+                world:addEntity({ [char] = i, data = i })
+            end
+        end
+
+        local Data = tiny.processingSystem()
+        Data.filter = tiny.requireAll('data')
+        Data.process = function(_, e) e.data = e.data * 2 end
+
+        local Last = tiny.processingSystem()
+        Last.filter = tiny.requireAll('z')
+        Last.process = function(_, e) e.z = e.z * 2 end
+
+        world:addSystem(Data)
+        world:addSystem(Last)
+
+        world:refresh()
+
+        return world
+    end)
+
+basics.describe_bench(string.format('Common Benchmarks: Evolved Fragmented Iteration | %d entities', N),
+    function(world)
+        evo.process(world)
+    end, function()
+        local world = evo.builder()
+            :destruction_policy(evo.DESTRUCTION_POLICY_DESTROY_ENTITY)
+            :spawn()
+
+        local data = evo.spawn { [world] = true }
+        local chars = evo.multi_spawn(26, { [world] = true })
+
+        local query_data = evo.builder():set(world):include(data):spawn()
+        local query_z = evo.builder():set(world):include(chars[#chars]):spawn()
+
+        for i = 1, #chars do
+            evo.multi_spawn(N, { [world] = true, [chars[i]] = i, [data] = i })
+        end
+
+        evo.builder()
+            :set(world):group(world):query(query_data)
+            :execute(function(chunk, _, entity_count)
+                local datas = chunk:components(data)
+                for i = 1, entity_count do datas[i] = datas[i] * 2 end
+            end):spawn()
+
+        evo.builder()
+            :set(world):group(world):query(query_z)
+            :execute(function(chunk, _, entity_count)
+                local zs = chunk:components(chars[#chars])
+                for i = 1, entity_count do zs[i] = zs[i] * 2 end
+            end):spawn()
+
+        return world
+    end, function(world)
+        evo.destroy(world)
+    end)
diff --git a/develop/usbench.lua b/develop/usbench.lua
deleted file mode 100644
index 5983134..0000000
--- a/develop/usbench.lua
+++ /dev/null
@@ -1,374 +0,0 @@
-local basics = require 'develop.basics'
-basics.unload 'evolved'
-
-local evo = require 'evolved'
-local tiny = require 'develop.3rdparty.tiny'
-
-local N = 1000
-
-print '----------------------------------------'
-
-basics.describe_bench(string.format('Tiny Entity Cycle: %d entities', N),
-    function(world)
-        world:update(0.016)
-    end, function()
-        local world = tiny.world()
-
-        for i = 1, N do
-            world:addEntity({ a = i })
-        end
-
-        local A = tiny.processingSystem()
-        A.filter = tiny.requireAll('a')
-        A.process = function(_, e) world:addEntity({ b = e.a }) end
-        A.postProcess = function(_) world:refresh() end
-
-        local B = tiny.processingSystem()
-        B.filter = tiny.requireAll('b')
-        B.process = function(_, e) world:removeEntity(e) end
-        B.postProcess = function(_) world:refresh() end
-
-        world:addSystem(A)
-        world:addSystem(B)
-
-        world:refresh()
-
-        return world
-    end)
-
-basics.describe_bench(string.format('Evolved Entity Cycle (Defer): %d entities', N),
-    function(a, b, A, B)
-        evo.defer()
-        do
-            for chunk, _, entity_count in evo.execute(A) do
-                local as = chunk:components(a)
-                for i = 1, entity_count do
-                    evo.set(evo.id(), b, as[i])
-                end
-            end
-        end
-        evo.commit()
-
-        evo.batch_destroy(B)
-    end, function()
-        local a, b = evo.id(2)
-
-        for i = 1, N do
-            evo.builder():set(a, i):spawn()
-        end
-
-        local A = evo.builder():include(a):spawn()
-        local B = evo.builder():include(b):spawn()
-
-        return a, b, A, B
-    end, function(_, _, A, _)
-        evo.batch_destroy(A)
-    end)
-
-basics.describe_bench(string.format('Evolved Entity Cycle (Manual): %d entities', N),
-    function(a, b, A, B)
-        local to_create = {}
-        local to_create_count = 0
-
-        for chunk, _, entity_count in evo.execute(A) do
-            local as = chunk:components(a)
-            for i = 1, entity_count do
-                to_create_count = to_create_count + 1
-                to_create[to_create_count] = as[i]
-            end
-        end
-
-        for i = 1, to_create_count do
-            local e = evo.id()
-            evo.set(e, b, to_create[i])
-        end
-
-        evo.batch_destroy(B)
-    end, function()
-        local a, b = evo.id(2)
-
-        for i = 1, N do
-            evo.builder():set(a, i):spawn()
-        end
-
-        local A = evo.builder():include(a):spawn()
-        local B = evo.builder():include(b):spawn()
-
-        return a, b, A, B
-    end, function(_, _, A, _)
-        evo.batch_destroy(A)
-    end)
-
-print '----------------------------------------'
-
-basics.describe_bench(string.format('Tiny Simple Iteration: %d entities', N),
-    function(world)
-        world:update(0.016)
-    end, function()
-        local world = tiny.world()
-
-        for i = 1, N do
-            world:addEntity({ a = i, b = i })
-            world:addEntity({ a = i, b = i, c = i })
-            world:addEntity({ a = i, b = i, c = i, d = i })
-            world:addEntity({ a = i, b = i, c = i, e = i })
-        end
-
-        local AB = tiny.processingSystem()
-        AB.filter = tiny.requireAll('a', 'b')
-        AB.process = function(_, e) e.a, e.b = e.b, e.a end
-
-        local CD = tiny.processingSystem()
-        CD.filter = tiny.requireAll('c', 'd')
-        CD.process = function(_, e) e.c, e.d = e.d, e.c end
-
-        local CE = tiny.processingSystem()
-        CE.filter = tiny.requireAll('c', 'e')
-        CE.process = function(_, e) e.c, e.e = e.e, e.c end
-
-        world:addSystem(AB)
-        world:addSystem(CD)
-        world:addSystem(CE)
-
-        world:refresh()
-
-        return world
-    end)
-
-basics.describe_bench(string.format('Evolved Simple Iteration: %d entities', N),
-    ---@param a evolved.entity
-    ---@param b evolved.entity
-    ---@param c evolved.entity
-    ---@param d evolved.entity
-    ---@param e evolved.entity
-    ---@param AB evolved.query
-    ---@param CD evolved.query
-    ---@param CE evolved.query
-    function(a, b, c, d, e, AB, CD, CE)
-        for chunk, _, entity_count in evo.execute(AB) do
-            local as, bs = chunk:components(a, b)
-            for i = 1, entity_count do
-                as[i], bs[i] = bs[i], as[i]
-            end
-        end
-
-        for chunk, _, entity_count in evo.execute(CD) do
-            local cs, ds = chunk:components(c, d)
-            for i = 1, entity_count do
-                cs[i], ds[i] = ds[i], cs[i]
-            end
-        end
-
-        for chunk, _, entity_count in evo.execute(CE) do
-            local cs, es = chunk:components(c, e)
-            for i = 1, entity_count do
-                cs[i], es[i] = es[i], cs[i]
-            end
-        end
-    end, function()
-        local a, b, c, d, e = evo.id(5)
-
-        for i = 1, N do
-            evo.builder():set(a, i):set(b, i):spawn()
-            evo.builder():set(a, i):set(b, i):set(c, i):spawn()
-            evo.builder():set(a, i):set(b, i):set(c, i):set(d, i):spawn()
-            evo.builder():set(a, i):set(b, i):set(c, i):set(e, i):spawn()
-        end
-
-        local AB = evo.builder():include(a, b):spawn()
-        local CD = evo.builder():include(c, d):spawn()
-        local CE = evo.builder():include(c, e):spawn()
-
-        return a, b, c, d, e, AB, CD, CE
-    end, function(_, _, _, _, _, AB, CD, CE)
-        evo.batch_destroy(AB)
-        evo.batch_destroy(CD)
-        evo.batch_destroy(CE)
-    end)
-
-print '----------------------------------------'
-
-basics.describe_bench(string.format('Tiny Packed Iteration: %d entities', N),
-    function(world)
-        world:update(0.016)
-    end, function()
-        local world = tiny.world()
-
-        for i = 1, N do
-            world:addEntity({ a = i, b = i, c = i, d = i, e = i })
-        end
-
-        local A = tiny.processingSystem()
-        A.filter = tiny.requireAll('a')
-        A.process = function(_, e) e.a = e.a * 2 end
-
-        local B = tiny.processingSystem()
-        B.filter = tiny.requireAll('b')
-        B.process = function(_, e) e.b = e.b * 2 end
-
-        local C = tiny.processingSystem()
-        C.filter = tiny.requireAll('c')
-        C.process = function(_, e) e.c = e.c * 2 end
-
-        local D = tiny.processingSystem()
-        D.filter = tiny.requireAll('d')
-        D.process = function(_, e) e.d = e.d * 2 end
-
-        local E = tiny.processingSystem()
-        E.filter = tiny.requireAll('e')
-        E.process = function(_, e) e.e = e.e * 2 end
-
-        world:addSystem(A)
-        world:addSystem(B)
-        world:addSystem(C)
-        world:addSystem(D)
-        world:addSystem(E)
-
-        world:refresh()
-
-        return world
-    end)
-
-basics.describe_bench(string.format('Evolved Packed Iteration: %d entities', N),
-    ---@param a evolved.entity
-    ---@param b evolved.entity
-    ---@param c evolved.entity
-    ---@param d evolved.entity
-    ---@param e evolved.entity
-    ---@param A evolved.query
-    ---@param B evolved.query
-    ---@param C evolved.query
-    ---@param D evolved.query
-    ---@param E evolved.query
-    function(a, b, c, d, e, A, B, C, D, E)
-        for chunk, _, entity_count in evo.execute(A) do
-            local as = chunk:components(a)
-            for i = 1, entity_count do
-                as[i] = as[i] * 2
-            end
-        end
-
-        for chunk, _, entity_count in evo.execute(B) do
-            local bs = chunk:components(b)
-            for i = 1, entity_count do
-                bs[i] = bs[i] * 2
-            end
-        end
-
-        for chunk, _, entity_count in evo.execute(C) do
-            local cs = chunk:components(c)
-            for i = 1, entity_count do
-                cs[i] = cs[i] * 2
-            end
-        end
-
-        for chunk, _, entity_count in evo.execute(D) do
-            local ds = chunk:components(d)
-            for i = 1, entity_count do
-                ds[i] = ds[i] * 2
-            end
-        end
-
-        for chunk, _, entity_count in evo.execute(E) do
-            local es = chunk:components(e)
-            for i = 1, entity_count do
-                es[i] = es[i] * 2
-            end
-        end
-    end, function()
-        local a, b, c, d, e = evo.id(5)
-
-        for i = 1, N do
-            evo.builder():set(a, i):set(b, i):set(c, i):set(d, i):set(e, i):spawn()
-        end
-
-        local A = evo.builder():include(a):spawn()
-        local B = evo.builder():include(b):spawn()
-        local C = evo.builder():include(c):spawn()
-        local D = evo.builder():include(d):spawn()
-        local E = evo.builder():include(e):spawn()
-
-        return a, b, c, d, e, A, B, C, D, E
-    end, function(_, _, _, _, _, A, _, _, _, _)
-        evo.batch_destroy(A)
-    end)
-
-print '----------------------------------------'
-
-basics.describe_bench(string.format('Tiny Fragmented Iteration: %d entities', N),
-    function(world)
-        world:update(0.016)
-    end, function()
-        local world = tiny.world()
-
-        ---@type string[]
-        local chars = {}
-
-        for i = 1, 26 do
-            chars[i] = string.char(string.byte('a') + i - 1)
-        end
-
-        for _, char in ipairs(chars) do
-            for i = 1, N do
-                world:addEntity({ [char] = i, data = i })
-            end
-        end
-
-        local Data = tiny.processingSystem()
-        Data.filter = tiny.requireAll('data')
-        Data.process = function(_, e) e.data = e.data * 2 end
-
-        local Last = tiny.processingSystem()
-        Last.filter = tiny.requireAll('z')
-        Last.process = function(_, e) e.z = e.z * 2 end
-
-        world:addSystem(Data)
-        world:addSystem(Last)
-
-        world:refresh()
-
-        return world
-    end)
-
-basics.describe_bench(string.format('Evolved Fragmented Iteration: %d entities', N),
-    ---@param data evolved.entity
-    ---@param last evolved.entity
-    ---@param Data evolved.query
-    ---@param Last evolved.query
-    function(data, last, Data, Last)
-        for chunk, _, entity_count in evo.execute(Data) do
-            local ds = chunk:components(data)
-            for i = 1, entity_count do
-                ds[i] = ds[i] * 2
-            end
-        end
-
-        for chunk, _, entity_count in evo.execute(Last) do
-            local ls = chunk:components(last)
-            for i = 1, entity_count do
-                ls[i] = ls[i] * 2
-            end
-        end
-    end, function()
-        local data = evo.id()
-
-        ---@type evolved.fragment[]
-        local chars = {}
-
-        for i = 1, 26 do
-            chars[i] = evo.id()
-        end
-
-        for _, char in ipairs(chars) do
-            for i = 1, N do
-                evo.builder():set(char, i):set(data, i):spawn()
-            end
-        end
-
-        local Data = evo.builder():include(data):spawn()
-        local Last = evo.builder():include(chars[#chars]):spawn()
-
-        return data, chars[#chars], Data, Last
-    end, function(_, _, Data, _)
-        evo.batch_destroy(Data)
-    end)