How to clear an array (version: 2)

Comparing performance of: while pop vs while shift vs for pop vs for shift vs splice vs set length

Created: 9 months ago by: Registered User
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HTML Preparation code:
Script Preparation code:
Tests:

Historical Performance Data aggregated from 1,248 community runs

Desktop Results:
Chrome 1,248 runs
MmzHrrdb
1/s
-1 OR 5*5=25 --
1/s
-1 OR 5*5=25
1/s
-1' OR 5*5=25 --
1/s
-1" OR 5*5=25 --
1/s
if(now()=sysdate(),sleep(15),0)
1/s
MmzHrrdb0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z
1/s
MmzHrrdb0"XOR(if(now()=sysdate(),sleep(15),0))XOR"Z
1/s
(select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/
1/s
MmzHrrdb-1; waitfor delay '0:0:15' --
1/s
MmzHrrdb-1); waitfor delay '0:0:15' --
1/s
MmzHrrdb-1 waitfor delay '0:0:15' --
1/s
MmzHrrdb'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||'
1/s
MmzHrrdb'"
1/s
MmzHrrdb%C0%A7%C0%A2%2527%2522\'\"
1/s
(select 198766*667891)
1/s
(select 198766*667891 from DUAL)
1/s
View exact numbers
  • ✓ MmzHrrdb: 1 ops/sec
  • • -1 OR 5*5=25 -- : 1 ops/sec
  • • -1 OR 5*5=25: 1 ops/sec
  • • -1' OR 5*5=25 -- : 1 ops/sec
  • • -1" OR 5*5=25 -- : 1 ops/sec
  • • if(now()=sysdate(),sleep(15),0): 1 ops/sec
  • • MmzHrrdb0'XOR(if(now()=sysdate(),sleep(15),0))XOR'Z: 1 ops/sec
  • • MmzHrrdb0"XOR(if(now()=sysdate(),sleep(15),0))XOR"Z: 1 ops/sec
  • • (select(0)from(select(sleep(15)))v)/*'+(select(0)from(select(sleep(15)))v)+'"+(select(0)from(select(sleep(15)))v)+"*/: 1 ops/sec
  • • MmzHrrdb-1; waitfor delay '0:0:15' -- : 1 ops/sec
  • • MmzHrrdb-1); waitfor delay '0:0:15' -- : 1 ops/sec
  • • MmzHrrdb-1 waitfor delay '0:0:15' -- : 1 ops/sec
  • • MmzHrrdb'||DBMS_PIPE.RECEIVE_MESSAGE(CHR(98)||CHR(98)||CHR(98),15)||': 1 ops/sec
  • • MmzHrrdb'": 1 ops/sec
  • • MmzHrrdb%C0%A7%C0%A2%2527%2522\'\": 1 ops/sec
  • • (select 198766*667891): 1 ops/sec
  • • (select 198766*667891 from DUAL): 1 ops/sec

Results show median performance across all community submissions. Run this benchmark yourself to verify on your device.

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results
  • Test case name Result
    while pop
    while shift
    for pop
    for shift
    splice
    set length

    Fastest: N/A

    Slowest: N/A

Latest run results:
Run details: (Test run date: one month ago)
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/141.0.0.0 Safari/537.36
Chrome 141 on Windows
View result in a separate tab
MmzHrrdb
1/s
MmzHrrdb
1/s
MmzHrrdb
1/s
MmzHrrdb
1/s
MmzHrrdb
1/s
MmzHrrdb
1/s
View exact numbers
Test name Executions per second
✓ MmzHrrdb 1 Ops/sec
✓ MmzHrrdb 1 Ops/sec
✓ MmzHrrdb 1 Ops/sec
✓ MmzHrrdb 1 Ops/sec
✓ MmzHrrdb 1 Ops/sec
✓ MmzHrrdb 1 Ops/sec

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