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* | Merge pull request #21088 from yui-knk/doc/to_paramRichard Schneeman2015-08-011-0/+15
|\ \ | | | | | | [ci skip]
| * | [ci skip]yui-knk2015-08-011-0/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add descriptions about `ActiveRecord::Base#to_param` to * `ActionDispatch::Routing::Base#match` * Overriding Named Route Parameters (guide) When passes `:param` to route definision, always `to_param` method of related model is overridden to constructe an URL by passing these model instance to named_helper.
* | | docs, custom api base controllers shoudl subclass metal. [ci skip]Yves Senn2015-08-011-1/+1
| | | | | | | | | | | | This is a follow up to #21008.
* | | Merge pull request #21008 from svenwin/patch-1Yves Senn2015-08-011-1/+1
|\ \ \ | |/ / |/| | | | | Add documentation to get a running custom base controller [ci skip]
| * | Add documentation to get a running custom base controller [ci skip]Sven Winkler2015-07-231-1/+1
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* | | Array#any? is slower and not the inverse of Array#empty?Jean Boussier2015-07-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ``` empty_array = [] small_array = [1] * 30 bigger_array = [1] * 300 Benchmark.ips do |x| x.report('empty !empty?') { !empty_array.empty? } x.report('small !empty?') { !small_array.empty? } x.report('bigger !empty?') { !bigger_array.empty? } x.report('empty any?') { empty_array.any? } x.report('small any?') { small_array.any? } x.report('bigger any?') { bigger_array.any? } end ``` ``` Calculating ------------------------------------- empty !empty? 132.059k i/100ms small !empty? 133.974k i/100ms bigger !empty? 133.848k i/100ms empty any? 106.924k i/100ms small any? 85.525k i/100ms bigger any? 86.663k i/100ms ------------------------------------------------- empty !empty? 8.522M (± 7.9%) i/s - 42.391M small !empty? 8.501M (± 8.5%) i/s - 42.202M bigger !empty? 8.434M (± 8.6%) i/s - 41.894M empty any? 4.161M (± 8.3%) i/s - 20.743M small any? 2.654M (± 5.2%) i/s - 13.256M bigger any? 2.642M (± 6.4%) i/s - 13.173M ``` Ref: https://github.com/rails/rails/pull/21057#discussion_r35902468
* | | Use delete_if instead of each; delete(key)schneems2015-07-301-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is slightly faster: ``` Calculating ------------------------------------- each; delete 35.166k i/100ms delete_if 36.416k i/100ms ------------------------------------------------- each; delete 478.026k (± 8.5%) i/s - 2.391M delete_if 485.123k (± 7.9%) i/s - 2.440M ```
* | | Remove (another) array allocationschneems2015-07-301-5/+14
| | | | | | | | | | | | | | | | | | We don't always need an array when generating a url with the formatter. We can be lazy about allocating the `missing_keys` array. This saves us: 35,606 bytes and 889 objects per request
* | | Remove array allocationschneems2015-07-301-2/+2
| | | | | | | | | | | | | | | | | | THe only reason we were allocating an array is to get the "missing_keys" variable in scope of the error message generator. Guess what? Arrays kinda take up a lot of memory, so by replacing that with a nil, we save: 35,303 bytes and 886 objects per request
* | | Avoid hash duplication by skipping mutationschneems2015-07-301-2/+2
| | | | | | | | | | | | | | | | | | If we don't mutate the `recall` hash, then there's no reason to duplicate it. While this change doesn't get rid of that many objects, each hash object it gets rid of was massive. Saves 888 string objects per request, 206,013 bytes (thats 0.2 mb which is kinda a lot).
* | | Only allocate new string when neededschneems2015-07-301-1/+7
| | | | | | | | | | | | | | | | | | Instead of calling `sub` on every link_to call for controller, we can detect when the string __needs__ to be allocated and only then create a new string (without the leading slash), otherwise, use the string that is given to us. Saves 888 string objects per request, 35,524 bytes.
* | | Freeze a string in comparatorschneems2015-07-301-1/+1
| | | | | | | | | | | | Saves 888 string objects per request.
* | | Avoid calling to_s on nil in journey/formatterschneems2015-07-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | When `defaults[key]` in `generate` in the journey formatter is called, it often returns a `nil` when we call `to_s` on a nil, it allocates an empty string. We can skip this check when the default value is nil. This change buys us 35,431 bytes of memory and 887 fewer objects per request. Thanks to @matthewd for help with the readability
* | | Reduce hash allocations in route_setschneems2015-07-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | When generating a url with `url_for` the hash of arguments passed in, is dup-d and merged a TON. I wish I could clean this up better, and might be able to do it in the future. This change removes one dup, since it's literally right after we just dup-d the hash to pass into this constructor. This may be a breaking, change but the tests pass...so :shipit: we can revert if it causes problems This change buys us 205,933 bytes of memory and 887 fewer objects per request.
* | | Decrease route_set allocationsschneems2015-07-291-3/+7
| | | | | | | | | | | | | | | | | | | | | | | | In handle_positional_args `Array#-=` is used which allocates a new array. Instead we can iterate through and delete elements, modifying the array in place. Also `Array#take` allocates a new array. We can build the same by iterating over the other element. This change buys us 106,470 bytes of memory and 2,663 fewer objects per request.
* | | Speed up journey missing_keysschneems2015-07-291-3/+15
| | | | | | | | | | | | | | | | | | | | | | | | Most routes have a `route.path.requirements[key]` of `/[-_.a-zA-Z0-9]+\/[-_.a-zA-Z0-9]+/` yet every time this method is called a new regex is generated on the fly with `/\A#{DEFAULT_INPUT}\Z/`. OBJECT ALLOCATIONS BLERG! This change uses a special module that implements `===` so it can be used in a case statement to pull out the default input. When this happens, we use a pre-generated regex. This change buys us 1,643,465 bytes of memory and 7,990 fewer objects per request.
* | | Speed up journey extract_parameterized_partsschneems2015-07-291-2/+3
| | | | | | | | | | | | | | | | | | | | | | | | Micro optimization: `reverse.drop_while` is slower than `reverse_each.drop_while`. This doesn't save any object allocations. Second, `keys_to_keep` is typically a very small array. The operation `parameterized_parts.keys - keys_to_keep` actually allocates two arrays. It is quicker (I benchmarked) to iterate over each and check inclusion in array manually. This change buys us 1774 fewer objects per request
* | | Decrease string allocations in url_optionsschneems2015-07-291-1/+5
| |/ |/| | | | | | | | | The request.script_name is dup-d which allocates an extra string. It is most commonly an empty string "". We can save a ton of string allocations by checking first if the string is empty, if so we can use a frozen empty string instead of duplicating an empty string. This change buys us 35,714 bytes of memory and 893 fewer objects per request.
* | Tiny documentation edits [ci skip]Robin Dupret2015-07-281-1/+1
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* | Add `:nodoc:` for internal testing methods [ci skip]Robin Dupret2015-07-281-1/+1
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* | Merge pull request #20590 from vngrs/set_default_charsetRafael Mendonça França2015-07-272-6/+13
|\ \ | | | | | | Document, refactor and create test case for ActionDispatch::Response
| * | Document, refactor and create test case for ↵Mehmet Emin İNAÇ2015-06-172-6/+13
| | | | | | | | | | | | ActionDispatch::Response#charset= method
* | | Merge pull request #21031 from vngrs/fix_params_wrapper_docRafael Mendonça França2015-07-271-3/+3
|\ \ \ | | | | | | | | Fix params_wrapper doc [ci skip]
| * | | Fix params_wrapper doc [ci skip]Mehmet Emin İNAÇ2015-07-261-3/+3
| | |/ | |/| | | | | | | | | | | | | This feature also works with `PUT`, `PATCH` and `DELETE` requests. Also developers can add `:url_encoded_form` and `:multipart_form` into the `:format` for wrapping url encoded or multipart form data.
* / | [ci skip] it should be protect_from_forgeryAditya Kapoor2015-07-271-1/+1
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* | rm `deep_munge`. You will live on in our hearts (and git history)Aaron Patterson2015-07-213-26/+15
| | | | | | | | | | Now that we have encoding strategies, we can just walk the params hash once to encode as HWIA, and remove nils.
* | push param encoding in to the utils moduleAaron Patterson2015-07-212-14/+30
| | | | | | | | we'll refactor deep munge mostly out of existence shortly
* | stop keeping track of keys when "deep munging"Aaron Patterson2015-07-211-5/+3
| | | | | | | | This should have been done along with 8f8ccb9901cab457c6e1d52bdb25acf658fd5777
* | recurse for arrays in `normalize_encode_params`Aaron Patterson2015-07-211-5/+3
| | | | | | | | | | this just pushes the conditional in to the case / when so we can switch to method dispatch later
* | drop conditionals in conversion logicAaron Patterson2015-07-211-7/+5
| | | | | | | | | | | | | | there is no reason to `convert_hashes_to_parameters` with an assignemt flag. The caller knows whether or not it wants the value assigned. We should just change the uncommon case (not writing to the underlying hash) to just call the conversion method and return that value.
* | rearrange logic to use positive branchesAaron Patterson2015-07-211-4/+6
| | | | | | | | | | | | only hashes are converted to parameter objects, so lets add a branch for them. This also removes a is_a? test for Parameters so we can be abstracted from the class.
* | Merge pull request #20751 from repinel/remove-unnecessary-dupRafael Mendonça França2015-07-201-1/+1
|\ \ | | | | | | Remove unnecessary `dup` from Mapper `add_route`
| * | Remove unnecessary `dup` from Mapper `add_route`Roque Pinel2015-07-011-1/+1
| | | | | | | | | | | | | | | | | | | | | The `dup` was introduced by c4106d0c08954b0761726e0015ec601b7bc7ea4b to work around a frozen key. Nowadays, the string is already being duplicated by the `tr` in `options[:action] ||= action.tr('-', '_')` and later joined into a new string in `name_for_action`.
* | | Fix state being carried over from previous transactionRoque Pinel2015-07-201-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This clears the transaction record state when the transaction finishes with a `:committed` status. Considering the following example where `name` is a required attribute. Before we had `new_record?` returning `true` for a persisted record: ```ruby author = Author.create! name: 'foo' author.name = nil author.save # => false author.new_record? # => true ```
* | | Merge pull request #20946 from schneems/schneems/let-it-goSean Griffin2015-07-1910-18/+18
|\ \ \ | | | | | | | | Freeze string literals when not mutated.
| * | | Freeze string literals when not mutated.schneems2015-07-1910-18/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I wrote a utility that helps find areas where you could optimize your program using a frozen string instead of a string literal, it's called [let_it_go](https://github.com/schneems/let_it_go). After going through the output and adding `.freeze` I was able to eliminate the creation of 1,114 string objects on EVERY request to [codetriage](codetriage.com). How does this impact execution? To look at memory: ```ruby require 'get_process_mem' mem = GetProcessMem.new GC.start GC.disable 1_114.times { " " } before = mem.mb after = mem.mb GC.enable puts "Diff: #{after - before} mb" ``` Creating 1,114 string objects results in `Diff: 0.03125 mb` of RAM allocated on every request. Or 1mb every 32 requests. To look at raw speed: ```ruby require 'benchmark/ips' number_of_objects_reduced = 1_114 Benchmark.ips do |x| x.report("freeze") { number_of_objects_reduced.times { " ".freeze } } x.report("no-freeze") { number_of_objects_reduced.times { " " } } end ``` We get the results ``` Calculating ------------------------------------- freeze 1.428k i/100ms no-freeze 609.000 i/100ms ------------------------------------------------- freeze 14.363k (± 8.5%) i/s - 71.400k no-freeze 6.084k (± 8.1%) i/s - 30.450k ``` Now we can do some maths: ```ruby ips = 6_226k # iterations / 1 second call_time_before = 1.0 / ips # seconds per iteration ips = 15_254 # iterations / 1 second call_time_after = 1.0 / ips # seconds per iteration diff = call_time_before - call_time_after number_of_objects_reduced * diff * 100 # => 0.4530373333993266 miliseconds saved per request ``` So we're shaving off 1 second of execution time for every 220 requests. Is this going to be an insane speed boost to any Rails app: nope. Should we merge it: yep. p.s. If you know of a method call that doesn't modify a string input such as [String#gsub](https://github.com/schneems/let_it_go/blob/b0e2da69f0cca87ab581022baa43291cdf48638c/lib/let_it_go/core_ext/string.rb#L37) please [give me a pull request to the appropriate file](https://github.com/schneems/let_it_go/blob/b0e2da69f0cca87ab581022baa43291cdf48638c/lib/let_it_go/core_ext/string.rb#L37), or open an issue in LetItGo so we can track and freeze more strings. Keep those strings Frozen ![](https://www.dropbox.com/s/z4dj9fdsv213r4v/let-it-go.gif?dl=1)
* | | | Merge pull request #20936 from repinel/fix-params-fetch-exception-overwrittenSean Griffin2015-07-193-3/+25
|\ \ \ \ | |/ / / |/| | | Fix exception overwritten for parameters fetch method
| * | | Fix exception overwritten for parameters fetch methodRoque Pinel2015-07-183-3/+25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When executing an `ActionController::Parameters#fetch` with a block that raises a `KeyError` the raised `KeyError` will be rescued and converted to an `ActionController::ParameterMissing` exception, covering up the original exception. [Jonas Schubert Erlandsson & Roque Pinel]
* | | | Fix formatting of force_ssl options documentation [ci skip]Eliot Sykes2015-07-191-6/+6
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* | | Stop using deprecated `render :text` in testPrem Sichanugrist2015-07-1736-222/+222
| | | | | | | | | | | | | | | | | | | | | | | | | | | This will silence deprecation warnings. Most of the test can be changed from `render :text` to render `:plain` or `render :body` right away. However, there are some tests that needed to be fixed by hand as they actually assert the default Content-Type returned from `render :body`.
* | | Merge pull request #20917 from sikachu/ps-deprecate-render-textJeremy Daer (Kemper)2015-07-172-11/+56
|\ \ \ | | | | | | | | Add deprecation warning for `render :text`
| * | | Add deprecation warning for `render :text`Prem Sichanugrist2015-07-172-11/+56
| | | | | | | | | | | | | | | | | | | | | | | | We've started on discouraging the usage of `render :text` in #12374. This is a follow-up commit to make sure that we print out the deprecation warning.
* | | | push fields_for_style? in to a protected methodAaron Patterson2015-07-171-5/+5
| | | | | | | | | | | | | | | | | | | | this way we don't need to call `to_unsafe_h` to get access to ask questions about the underlying hash
* | | | push is_a checks up the stackAaron Patterson2015-07-171-13/+13
| | | | | | | | | | | | | | | | now `hash_filter` doesn't need to know about the `Parameters` class
* | | | remove useless conditionalAaron Patterson2015-07-171-1/+0
| | | | | | | | | | | | | | | | | | | | Since we proved that `element` is always of type `Parameter`, we know that it will always respond to `permit`, so lets remove this conditional
* | | | remove useless conditionalsAaron Patterson2015-07-171-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | `element` can never be a hash because: 1. `slice` returns a Parameters object and calls each on it: https://github.com/rails/rails/blob/cb3f25593b1137e344086364d4b1a52c08e8eb3b/actionpack/lib/action_controller/metal/strong_parameters.rb#L656 2. `each` which is implemented by `each_pair` will call `convert_hashes_to_parameters` on the value: https://github.com/rails/rails/blob/cb3f25593b1137e344086364d4b1a52c08e8eb3b/actionpack/lib/action_controller/metal/strong_parameters.rb#L192-197 3. `convert_hashes_to_parameters` will convert any hash objects in to parameters objects: https://github.com/rails/rails/blob/cb3f25593b1137e344086364d4b1a52c08e8eb3b/actionpack/lib/action_controller/metal/strong_parameters.rb#L550-566
* | | | remove useless functionAaron Patterson2015-07-171-8/+2
| | | | | | | | | | | | | | | | | | | | | | | | Now that the value is cached on the stack, `array_of_permitted_scalars_filter` is exactly the same as `array_of_permitted_scalars?`, so lets just have one
* | | | stop passing `params` to `array_of_permitted_scalars_filter`Aaron Patterson2015-07-171-4/+6
| | | | | | | | | | | | | | | | | | | | | | | | this way the method doesn't have to know what the new params object is, it just yields to a block. This change also caches the value of `self[key]` on the stack
* | | | push key checking upAaron Patterson2015-07-171-1/+2
| | | | | | | | | | | | | | | | | | | | | | | | We should disconnect `array_of_permitted_scalars_filter` from the instance so that we can make hash filtering functional. For now, pull the conditional up out of that method
* | | | [skip ci] Lookup can be a noun but it is not a verbJon Atack2015-07-171-1/+2
|/ / / | | | | | | | | | Various grammar corrections and wrap to 80 characters.
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