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ArrayMin

Last updated on May 30, 2024 | Also applies to ColdFusion

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Note:

You can also set the maximum thread count in ColdFusion Administrator. Click Server Settings > Settings and specify the number of threads in Default Maximum Thread Count For Parallel Functions.

Description

Array minimum function.

Returns

The smallest numeric value in an array. If the array parameter value is an empty array, returns zero.

syntax

arrayMin(array [, parallel] [, maxThreadCount])

Parameters

Parameter	Description
array	Name of an array
parallel	True if you want to enable parallel programming.
maxThreadCount	The number of threads the function can execute. The number of threads must be between 1-50. If the value exceeds 50, there is an exception.

Example

<cfscript>
       myArray=[23,76,1,-43,9,112]
       minVal=ArrayMin(myArray)
       WriteOutput(minVal)// Returns -43
</cfscript>

Using parallelization

<cfscript> 
 for(i=1;i<=1001;i++){ 
  arr[i] = i*2; 
  if(i == 554) 
   arr[i]= -2147483648  
 } 
 //writedump(arr) 
 //writeoutput(arr.min()) 
  
 t_start=GetTickCount() 
writeoutput(arraymin(arr,true,5))  
 t_end=GetTickCount() 
 writeoutput("<br>Time taken with 5 threads:" &  t_end-t_start) 
  
  
 t_start=GetTickCount() 
writeoutput(arr.min(true,10)) 
 t_end=GetTickCount() 
 writeoutput("<br>Time taken with 10 threads:" &  t_end-t_start) 
  
 t_start=GetTickCount() 
writeoutput(arraymin(array=arr,parallel=true,maxthreadcount=20)) 
 t_end=GetTickCount() 
 writeoutput("<br>Time taken with 20 threads:" &  t_end-t_start) 
  
 t_start=GetTickCount() 
writeoutput(arr.min()) 
 t_end=GetTickCount() 
 writeoutput("<br>Time taken with no parallel:" &  t_end-t_start) 
  
</cfscript>

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