datom - npm Package Compare versions

Comparing version 8.0.0 to 8.0.1

lib/main.js

 (function() {
   'use strict';
-  var CND, Cupofjoe, Datom, MAIN, Multimix, assign, badge, copy, debug, defaults, echo, help, info, isa, jr, p1, p2, rpr, type_of, urge, validate, warn, whisper,
+  var CND, Cupofjoe, Datom, MAIN, Multimix, assign, badge, debug, defaults, echo, help, info, isa, jr, p1, p2, rpr, type_of, urge, validate, warn, whisper,
     indexOf = [].indexOf;
@@ -27,3 +27,3 @@
 
-  ({assign, copy, jr} = CND);
+  ({assign, jr} = CND);
 
@@ -158,3 +158,3 @@ //...........................................................................................................
     while ((isa.object(R.$)) && (isa.object(R.$.$))) {
-      R.$ = copy(R.$.$);
+      R.$ = this.LFT._deep_copy(R.$.$);
     }
@@ -161,0 +161,0 @@ return this.freeze(R);

lib/xemitter.mixin.js

@@ -36,3 +36,3 @@ (function() {
   provide_library = function() {
-    var DATOM, Emittery, L, name, ref, results, value;
+    var DATOM, Emittery, L, name, ref, results, value, version;
     //=========================================================================================================
@@ -42,2 +42,5 @@ /* https://github.com/sindresorhus/emittery */
     DATOM = require('..');
+    if ((version = (require('emittery/package.json')).version) !== '0.6.0') {
+      throw new Error(`due to changes in https://github.com/sindresorhus/emittery/releases, emittery version is fixed at 0.6.0, got ${version}`);
+    }
     //=========================================================================================================
@@ -44,0 +47,0 @@ // IMPLEMENTATION DETAILS

package.json

 {
   "name": "datom",
-  "version": "8.0.0",
+  "version": "8.0.1",
   "description": "standardized immutable objects in the spirit of datomic, especially suited for use in data pipelines",
@@ -30,9 +30,9 @@ "main": "lib/main.js",
   "dependencies": {
-    "cnd": "^9.0.0",
+    "cnd": "^9.2.1",
     "cupofjoe": "^0.1.1",
     "emittery": "0.6.0",
-    "intertype": "^7.0.2",
+    "intertype": "7.6.3",
     "letsfreezethat": "^3.0.3",
-    "multimix": "^4.1.0"
+    "multimix": "5.0.0"
   }
 }

README.md

@@ -31,2 +31,3 @@
 - [Cup Of Datom](#cup-of-datom)
+- [Benchmarks](#benchmarks)
 - [To Do](#to-do)
@@ -506,3 +507,35 @@
 
+# Benchmarks
 
+Here is a speed comparison ([code on GitHub](https://github.com/loveencounterflow/hengist/tree/master/dev/datom)) between Datom versions 7 and 8, using two methods of dealing with object freezing
+and two Datom configurations, `f1` standing for the standard configuration (i.e. either `DATOM = require
+'datom'` or `DATOM = ( require 'datom' ).new { freeze: true, }`) and `f0` for the non-freezing configuration
+(obtained by `DATOM = ( require 'datom' ).new { freeze: true, }`). `datom_v7_thaw_freeze_f0` is missing here
+because of a bug in the `thaw` method used in v7. Each run involved thawing 100 datoms with 5 key/value
+pairs each (ex.: `{ '$key': '^vapeurs', '𤭨': 447, '媑': true, escamote: false, auditionnerais: true,
+exacerbant: true, }`), changing 3 values and freezing the object again. Tests marked `...thaw_freeze...` use
+explicit calls to `d = thaw d; ...; d = freeze d` to do this, the ones marked `...lets...` use a single call
+`d = lets d, ( d ) -> ...` to accomplish the same.
+
+We see an overall improvement in the performance of v8 as compared to v7 which can be ascribed to the update
+of the [`letsfreezethat`](https://github.com/loveencounterflow/letsfreezethat) dependency which represents a
+complete overhaul of that library:
+
+```
+datom_v8_thaw_freeze_f0                          144,938 Hz   100.0 % │████████████▌│
+datom_v8_lets_f0                                 128,930 Hz    89.0 % │███████████▏ │
+datom_v8_thaw_freeze_f1                          126,920 Hz    87.6 % │███████████  │
+datom_v7_lets_f0                                  92,669 Hz    63.9 % │████████     │
+datom_v8_lets_f1                                  81,917 Hz    56.5 % │███████▏     │
+datom_v7_lets_f1                                  40,063 Hz    27.6 % │███▌         │
+datom_v7_thaw_freeze_f1                           39,334 Hz    27.1 % │███▍         │
+```
+
+For best performance, it is recommended to
+
+* prefer `d = thaw d; ...; d = freeze d` over `lets()` although the latter is more elegant and prevents
+  one from forgetting to `freeze()` a `thaw()`ed value, and to
+* configure the `DATOM` library to forego actual freezing when moving from development to production, where
+  appropriate, for a speed gain of around 10%.
+
 # To Do
@@ -509,0 +542,0 @@

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Improved metrics

Total package byte prevSize

163296

increased by3.1%

Number of package files

16

increased by6.67%

Lines of code

863

increased by0.35%

Number of lines in readme file

572

increased by6.12%

Dependency changes

• + Addedintertype@7.6.3(transitive)

• - Removedintertype@7.7.1(transitive)

• Updatedcnd@^9.2.1

• Updatedintertype@7.6.3

• Updatedmultimix@5.0.0