TimeUsed

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`TimeUsed`

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TimeUsed[]

gives the total number of seconds of CPU time used so far in the current Wolfram System session.

Details

TimeUsed records only CPU time actually used by the Wolfram Language kernel. It does not include time used by external processes called by the kernel. It also does not include time during pauses produced by Pause.
TimeUsed is accurate only down to a granularity of at least $TimeUnit seconds.

Examples

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Basic Examples (2)Summary of the most common use cases

CPU time used by a Wolfram Language kernel:

In[1]:=1

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https://wolfram.com/xid/0bdpcn46a-cv3cob

Out[1]=1

Get time between function evaluations:

In[1]:=1

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https://wolfram.com/xid/0bdpcn46a-fpkk

Out[1]=1

Almost all of the time is spent in the last few evaluations because the precision is adaptive:

In[2]:=2

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https://wolfram.com/xid/0bdpcn46a-c8zglf

Out[2]=2

Scope (1)Survey of the scope of standard use cases

Get time used by function evaluations and the rest of a computation:

In[1]:=1

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https://wolfram.com/xid/0bdpcn46a-f35kpt

In[2]:=2

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https://wolfram.com/xid/0bdpcn46a-jh7l6l

The total computation time:

In[3]:=3

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https://wolfram.com/xid/0bdpcn46a-b9teb7

Out[3]=3

Get the evaluation times:

In[4]:=4

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https://wolfram.com/xid/0bdpcn46a-eqqyg8

Out[4]=4

Evaluations tended to be faster near the root:

In[5]:=5

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https://wolfram.com/xid/0bdpcn46a-dpwpl1

Out[5]=5

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