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This commit is contained in:
aaron 2023-09-15 10:53:47 +01:00
parent d77fe0f92f
commit bbe634f433
2 changed files with 231 additions and 266 deletions
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23
src/graph.luau
View file

@ -114,6 +114,8 @@ local function destroy<T>(node: Node<T>)
while node[1] do destroy(node[1]) end while node[1] do destroy(node[1]) end
end end
local update_queue = {} :: { Node<any> }
local function evaluate_node<T>(node: Node<T>) local function evaluate_node<T>(node: Node<T>)
local cur_value = node.cache local cur_value = node.cache
@ -136,6 +138,7 @@ local function evaluate_node<T>(node: Node<T>)
close_scope() close_scope()
if not ok then if not ok then
table.clear(update_queue)
throw(`side-effect error from source update\n{new_value}`) throw(`side-effect error from source update\n{new_value}`)
end end
@ -144,19 +147,11 @@ local function evaluate_node<T>(node: Node<T>)
return cur_value ~= new_value -- node has changed value return cur_value ~= new_value -- node has changed value
end end
local update_queue = {} :: { Node<any> } local function update_from<T>(node: StartNode<T>, n0: number)
local function update<T>(node: StartNode<T>)
if not node[1] then return end if not node[1] then return end
local n0 = #update_queue
local first_update = n0 == 0
local n = n0 local n = n0
if first_update then
table.clear(update_queue)
end
-- unparent all children and queue for eval -- unparent all children and queue for eval
do do
local child = node[1] local child = node[1]
@ -176,15 +171,17 @@ local function update<T>(node: StartNode<T>)
if not child.effect then continue end if not child.effect then continue end
if evaluate_node(child) then if evaluate_node(child) then
update(child) update_from(child, n)
end
end end
if first_update then update_queue[i] = false :: any -- false instead of nil to avoid sparse
table.clear(update_queue)
end end
end end
local function update<T>(node: StartNode<T>)
update_from(node, 0)
end
local function track<T>(node: StartNode<T>) local function track<T>(node: StartNode<T>)
local scope = get_scope() local scope = get_scope()
if scope and scope.effect then -- do not track nodes with no effect if scope and scope.effect then -- do not track nodes with no effect

142
test/benchmark.luau
View file

@ -1,7 +1,7 @@
local BENCH, START = require("test/testkit").benchmark() local testkit = require("test/testkit")
local BENCH, START = testkit.benchmark()
local vide = require "src/init" local vide = require "src/init"
local root = vide.root
local source = vide.source local source = vide.source
local derive = vide.derive local derive = vide.derive
local indexes = vide.indexes local indexes = vide.indexes
@ -9,11 +9,23 @@ local values = vide.values
local cleanup = vide.cleanup local cleanup = vide.cleanup
local create = vide.create local create = vide.create
local function TITLE(name: string)
print()
print(testkit.color.white(name))
end
local N = 2^18 -- 262144 local N = 2^18 -- 262144
-- todo: wide and deep graph benchmarks local function WRAP_BENCH(name: string, fn: () -> ())
local _, destroy = vide.root(function()
BENCH(name, fn)
end)
destroy()
end
BENCH("create source", function() TITLE "sources"
WRAP_BENCH("create source", function()
local cache = table.create(N) local cache = table.create(N)
for i = 1, START(N) do for i = 1, START(N) do
@ -21,7 +33,7 @@ BENCH("create source", function()
end end
end) end)
BENCH("get value", function() WRAP_BENCH("get value", function()
local src = source(1) local src = source(1)
for i = 1, START(N) do for i = 1, START(N) do
@ -29,7 +41,7 @@ BENCH("get value", function()
end end
end) end)
BENCH("set value", function() WRAP_BENCH("set value", function()
local src = source(1) local src = source(1)
for i = 1, START(N) do for i = 1, START(N) do
@ -37,56 +49,46 @@ BENCH("set value", function()
end end
end) end)
BENCH("derive 1 source", function() WRAP_BENCH("derive 1 source", function()
local cache = table.create(N) local cache = table.create(N)
local src = source(1) local src = source(1)
root(function()
for i = 1, START(N) do for i = 1, START(N) do
cache[i] = derive(function() cache[i] = derive(function()
return src() return src()
end) end)
end end
return nil
end)
end) end)
BENCH("derive 4 sources", function() WRAP_BENCH("derive 4 sources", function()
local cache = table.create(N) local cache = table.create(N)
local src = vide.source(1) local src = vide.source(1)
local src2 = vide.source(2) local src2 = vide.source(2)
local src3 = vide.source(3) local src3 = vide.source(3)
local src4 = vide.source(4) local src4 = vide.source(4)
vide.root(function()
for i = 1, START(N) do for i = 1, START(N) do
cache[i] = derive(function() cache[i] = derive(function()
return src() + src2() + src3() + src4() return src() + src2() + src3() + src4()
end) end)
end end
return nil
end)
end) end)
BENCH("update 1->1 graph", function() TITLE "graphs"
WRAP_BENCH("update 1->1 graph", function()
local src = source(1) local src = source(1)
root(function()
local _derived = derive(function() return src() end) local _derived = derive(function() return src() end)
for i = 1, START(N) do for i = 1, START(N) do
src(i) src(i)
end end
return nil
end)
end) end)
BENCH("update 1->1 graph with cleanup", function() WRAP_BENCH("update 1->1 graph with cleanup", function()
local src = source(1) local src = source(1)
root(function()
derive(function() derive(function()
cleanup(function() end) cleanup(function() end)
return src() return src()
@ -95,15 +97,11 @@ BENCH("update 1->1 graph with cleanup", function()
for i = 1, START(N) do for i = 1, START(N) do
src(i) src(i)
end end
return nil
end)
end) end)
BENCH("update 1->1000 graph", function() WRAP_BENCH("update 1->1000 graph", function()
local src = source(-1) local src = source(-1)
root(function()
for i = 1, 1000 do for i = 1, 1000 do
derive(function() return src() end) derive(function() return src() end)
end end
@ -113,13 +111,11 @@ BENCH("update 1->1000 graph", function()
for i = 1, START(10) do for i = 1, START(10) do
src(i) src(i)
end end
end)
end) end)
BENCH("update 1->1->1->1...1000 graph", function() WRAP_BENCH("update 1->1->1->1...1000 graph", function()
local src = source(-1) local src = source(-1)
root(function()
local last = src local last = src
for i = 1, 1000 do for i = 1, 1000 do
local l = last local l = last
@ -131,17 +127,15 @@ BENCH("update 1->1->1->1...1000 graph", function()
for i = 1, START(10) do for i = 1, START(10) do
src(i) src(i)
end end
end)
end) end)
-- todo: repeat with batching -- todo: repeat with batching
BENCH("update 1000->1 graph", function() WRAP_BENCH("update 1000->1 graph", function()
local srcs = {} local srcs = {}
for i = 1, 1000 do for i = 1, 1000 do
srcs[i] = source(0) srcs[i] = source(0)
end end
root(function()
derive(function() derive(function()
for i = 1, 1000 do for i = 1, 1000 do
srcs[i]() srcs[i]()
@ -154,14 +148,12 @@ BENCH("update 1000->1 graph", function()
srcs[idx](i) srcs[idx](i)
end end
end end
end)
end) end)
-- todo: optimize, repeat with batching -- todo: optimize, repeat with batching
BENCH("update 1000x 1->1 common extern. graph", function() WRAP_BENCH("update 1000x 1->1 common extern. graph", function()
local ext = source(-1) local ext = source(-1)
root(function()
local srcs = {} local srcs = {}
for i = 1, 1000 do for i = 1, 1000 do
srcs[i] = source(0) srcs[i] = source(0)
@ -175,10 +167,11 @@ BENCH("update 1000x 1->1 common extern. graph", function()
srcs[idx](i) srcs[idx](i)
end end
end end
end)
end) end)
BENCH("apply 0 properties", function() TITLE "property apply"
WRAP_BENCH("apply 0 properties", function()
local apply = require "src/apply" local apply = require "src/apply"
local instance = create("Frame") {} local instance = create("Frame") {}
@ -187,7 +180,7 @@ BENCH("apply 0 properties", function()
end end
end) end)
BENCH("apply 8 properties", function() WRAP_BENCH("apply 8 properties", function()
local apply = require "src/apply" local apply = require "src/apply"
local instance = create("Frame") {} local instance = create("Frame") {}
@ -205,13 +198,12 @@ BENCH("apply 8 properties", function()
end end
end) end)
BENCH("bind property", function() WRAP_BENCH("bind property", function()
local apply = require "src/apply" local apply = require "src/apply"
local instance = create("Frame") {} local instance = create("Frame") {}
local src = source(1) local src = source(1)
root(function()
for i = 1, START(N) do for i = 1, START(N) do
apply(instance, { apply(instance, {
Text = src Text = src
@ -219,16 +211,14 @@ BENCH("bind property", function()
end end
return nil return nil
end)
end) end)
BENCH("update binding", function() WRAP_BENCH("update binding", function()
local apply = require "src/apply" local apply = require "src/apply"
local instance = create("Frame") {} local instance = create("Frame") {}
local src = source(1) local src = source(1)
root(function()
apply(instance, { apply(instance, {
Text = src Text = src
}) })
@ -238,12 +228,13 @@ BENCH("update binding", function()
end end
return nil return nil
end)
end) end)
TITLE "indexes()"
N /= 1024 N /= 1024
BENCH("indexes() all new", function() WRAP_BENCH("indexes() all new", function()
local data = {} local data = {}
for i = 1, N do for i = 1, N do
@ -252,7 +243,6 @@ BENCH("indexes() all new", function()
local src = source(data) local src = source(data)
root(function()
START(N) START(N)
local _list = indexes(src, function(v, i) local _list = indexes(src, function(v, i)
@ -260,10 +250,9 @@ BENCH("indexes() all new", function()
end) end)
return nil return nil
end)
end) end)
BENCH("indexes() no change", function() WRAP_BENCH("indexes() no change", function()
local data = {} local data = {}
for i = 1, N do for i = 1, N do
@ -272,7 +261,6 @@ BENCH("indexes() no change", function()
local src = source(data) local src = source(data)
root(function()
local _list = indexes(src, function(v, i) local _list = indexes(src, function(v, i)
return {} return {}
end) end)
@ -282,10 +270,9 @@ BENCH("indexes() no change", function()
src(data) src(data)
return nil return nil
end)
end) end)
BENCH("indexes() all change", function() WRAP_BENCH("indexes() all change", function()
local data = {} local data = {}
for i = 1, N do for i = 1, N do
@ -294,8 +281,6 @@ BENCH("indexes() all change", function()
local src = source(data) local src = source(data)
root(function()
local _list = indexes(src, function(v, i) local _list = indexes(src, function(v, i)
return {} return {}
end) end)
@ -309,12 +294,9 @@ BENCH("indexes() all change", function()
START(N) START(N)
src(data) src(data)
return nil
end)
end) end)
BENCH("indexes() all remove", function() WRAP_BENCH("indexes() all remove", function()
local data = {} local data = {}
for i = 1, N do for i = 1, N do
@ -323,7 +305,6 @@ BENCH("indexes() all remove", function()
local src = source(data) local src = source(data)
root(function()
local _list = indexes(src, function(v, i) local _list = indexes(src, function(v, i)
return {} return {}
end) end)
@ -335,10 +316,11 @@ BENCH("indexes() all remove", function()
src(data) src(data)
return nil return nil
end)
end) end)
BENCH("values() all new", function() TITLE "values()"
WRAP_BENCH("values() all new", function()
local data = {} local data = {}
for i = 1, N do for i = 1, N do
@ -347,7 +329,6 @@ BENCH("values() all new", function()
local src = source(data) local src = source(data)
root(function()
START(N) START(N)
local _list = values(src, function(v, i) local _list = values(src, function(v, i)
@ -355,10 +336,9 @@ BENCH("values() all new", function()
end) end)
return nil return nil
end)
end) end)
BENCH("values() no change", function() WRAP_BENCH("values() no change", function()
local data = {} local data = {}
for i = 1, N do for i = 1, N do
@ -367,7 +347,6 @@ BENCH("values() no change", function()
local src = source(data) local src = source(data)
root(function()
local _list = values(src, function(v, i) local _list = values(src, function(v, i)
return {} return {}
end) end)
@ -377,12 +356,9 @@ BENCH("values() no change", function()
START(N) START(N)
src(data) src(data)
return nil
end)
end) end)
BENCH("values() all change", function() WRAP_BENCH("values() all change", function()
local data = {} local data = {}
for i = 1, N do for i = 1, N do
@ -391,7 +367,6 @@ BENCH("values() all change", function()
local src = source(data) local src = source(data)
root(function()
local _list = values(src, function(v, i) local _list = values(src, function(v, i)
return {} return {}
end) end)
@ -406,12 +381,9 @@ BENCH("values() all change", function()
START(N) START(N)
src(data) src(data)
return nil
end)
end) end)
BENCH("values() all remove", function() WRAP_BENCH("values() all remove", function()
local data = {} local data = {}
for i = 1, N do for i = 1, N do
@ -420,7 +392,6 @@ BENCH("values() all remove", function()
local src = source(data) local src = source(data)
root(function()
local _list = values(src, function(v, i) local _list = values(src, function(v, i)
return {} return {}
end) end)
@ -430,17 +401,15 @@ BENCH("values() all remove", function()
START(N) START(N)
src(data) src(data)
return nil
end)
end) end)
N *= 1024 N *= 1024
BENCH("register new cleanup", function() TITLE "cleanup"
WRAP_BENCH("register new cleanup", function()
local cleanup = cleanup local cleanup = cleanup
root(function()
local cleaner = function() end local cleaner = function() end
local callers = {} local callers = {}
@ -455,15 +424,14 @@ BENCH("register new cleanup", function()
for i = 1, START(N) do for i = 1, START(N) do
callers[i](cleanup, cleaner) callers[i](cleanup, cleaner)
end end
return nil
end)
end) end)
TITLE "aggregate"
do do
-- the purpose of the two following benchmarks is to measure the overhead of -- the purpose of the two following benchmarks is to measure the overhead of
-- aggregate construction -- aggregate construction
BENCH("set explicit mock vector2", function() WRAP_BENCH("set explicit mock vector2", function()
local apply = require "src/apply" local apply = require "src/apply"
local Vector2 = require "test/mock".Vector2 local Vector2 = require "test/mock".Vector2
@ -478,7 +446,7 @@ do
end end
end) end)
BENCH("set aggregate mock vector2", function() WRAP_BENCH("set aggregate mock vector2", function()
local apply = require "src/apply" local apply = require "src/apply"
local Vector2 = require "test/mock".Vector2 local Vector2 = require "test/mock".Vector2
@ -497,7 +465,7 @@ end
-- innacurate due to no Vector3 in vanilla Luau -- innacurate due to no Vector3 in vanilla Luau
-- mock vector is 200x slower than native vector -- mock vector is 200x slower than native vector
-- BENCH("spring update", function() -- WRAP_BENCH("spring update", function()
-- local root, source, spring = vide.root, vide.source, vide.spring -- local root, source, spring = vide.root, vide.source, vide.spring
-- local src = source(0) -- local src = source(0)
@ -517,7 +485,7 @@ end
-- N /= 1024 -- N /= 1024
-- BENCH("spring step", function() -- WRAP_BENCH("spring step", function()
-- local root, source, spring = vide.root, vide.source, vide.spring -- local root, source, spring = vide.root, vide.source, vide.spring
-- local src = source(0) -- local src = source(0)