time-to-botec

Benchmark sampling in different programming languages
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README.md (2949B)


      1 <!--
      2 
      3 @license Apache-2.0
      4 
      5 Copyright (c) 2018 The Stdlib Authors.
      6 
      7 Licensed under the Apache License, Version 2.0 (the "License");
      8 you may not use this file except in compliance with the License.
      9 You may obtain a copy of the License at
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     11    http://www.apache.org/licenses/LICENSE-2.0
     12 
     13 Unless required by applicable law or agreed to in writing, software
     14 distributed under the License is distributed on an "AS IS" BASIS,
     15 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     16 See the License for the specific language governing permissions and
     17 limitations under the License.
     18 
     19 -->
     20 
     21 # Bytes per Element
     22 
     23 > Return the number of bytes per element provided an underlying [array data type][@stdlib/ndarray/dtypes].
     24 
     25 <!-- Section to include introductory text. Make sure to keep an empty line after the intro `section` element and another before the `/section` close. -->
     26 
     27 <section class="intro">
     28 
     29 </section>
     30 
     31 <!-- /.intro -->
     32 
     33 <!-- Package usage documentation. -->
     34 
     35 <section class="usage">
     36 
     37 ## Usage
     38 
     39 ```javascript
     40 var bytesPerElement = require( '@stdlib/ndarray/base/bytes-per-element' );
     41 ```
     42 
     43 #### bytesPerElement( dtype )
     44 
     45 Returns the number of bytes per element provided an underlying [array data type][@stdlib/ndarray/dtypes].
     46 
     47 ```javascript
     48 var nbytes = bytesPerElement( 'float64' );
     49 // returns 8
     50 
     51 nbytes = bytesPerElement( 'generic' );
     52 // returns null
     53 ```
     54 
     55 If provided an unknown or unsupported data type, the function returns `null`.
     56 
     57 ```javascript
     58 var nbytes = bytesPerElement( 'foobar' );
     59 // returns null
     60 ```
     61 
     62 </section>
     63 
     64 <!-- /.usage -->
     65 
     66 <!-- Package usage notes. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
     67 
     68 <section class="notes">
     69 
     70 </section>
     71 
     72 <!-- /.notes -->
     73 
     74 <!-- Package usage examples. -->
     75 
     76 <section class="examples">
     77 
     78 ## Examples
     79 
     80 <!-- eslint no-undef: "error" -->
     81 
     82 ```javascript
     83 var bytesPerElement = require( '@stdlib/ndarray/base/bytes-per-element' );
     84 
     85 var dtypes;
     86 var nbytes;
     87 var i;
     88 
     89 dtypes = [
     90     'float64',
     91     'float32',
     92     'int8',
     93     'uint8',
     94     'uint8c',
     95     'int16',
     96     'uint16',
     97     'int32',
     98     'uint32',
     99     'binary',
    100     'generic',
    101     'foobar'
    102 ];
    103 
    104 for ( i = 0; i < dtypes.length; i++ ) {
    105     nbytes = bytesPerElement( dtypes[ i ] );
    106     nbytes = ( nbytes ) ? nbytes+' bytes' : 'null';
    107     console.log( '%s => %s', dtypes[ i ], nbytes );
    108 }
    109 ```
    110 
    111 </section>
    112 
    113 <!-- /.examples -->
    114 
    115 <!-- Section to include cited references. If references are included, add a horizontal rule *before* the section. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
    116 
    117 <section class="references">
    118 
    119 </section>
    120 
    121 <!-- /.references -->
    122 
    123 <!-- Section for all links. Make sure to keep an empty line after the `section` element and another before the `/section` close. -->
    124 
    125 <section class="links">
    126 
    127 [@stdlib/ndarray/dtypes]: https://www.npmjs.com/package/@stdlib/ndarray/tree/main/dtypes
    128 
    129 </section>
    130 
    131 <!-- /.links -->