Sorting algorithms/Radix sort: Difference between revisions
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The primary purpose is to complete the characterization of sort algorithms task. |
The primary purpose is to complete the characterization of sort algorithms task. |
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<br><br> |
<br><br> |
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=={{header|AArch64 Assembly}}== |
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{{works with|as|Raspberry Pi 3B version Buster 64 bits}} |
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<lang AArch64 Assembly> |
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/* ARM assembly AARCH64 Raspberry PI 3B */ |
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/* program radixSort64.s */ |
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/*******************************************/ |
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/* Constantes file */ |
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/*******************************************/ |
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/* for this file see task include a file in language AArch64 assembly */ |
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.include "../includeConstantesARM64.inc" |
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/*********************************/ |
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/* Initialized data */ |
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/*********************************/ |
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.data |
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szMessSortOk: .asciz "Table sorted.\n" |
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szMessSortNok: .asciz "Table not sorted !!!!!.\n" |
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sMessResult: .asciz "Value : @ \n" |
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szCarriageReturn: .asciz "\n" |
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.align 4 |
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TableNumber: .quad 12485,301,16,25,5006,9,-154389710,26,4400,71,115 |
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#TableNumber: .quad 10,9,8,7,6,-5,4,3,2,1 |
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.equ NBELEMENTS, (. - TableNumber) / 8 |
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/*********************************/ |
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/* UnInitialized data */ |
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/*********************************/ |
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.bss |
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sZoneConv: .skip 24 |
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/*********************************/ |
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/* code section */ |
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/*********************************/ |
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.text |
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.global main |
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main: // entry of program |
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ldr x0,qAdrTableNumber // address number table |
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mov x1,0 // first element |
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mov x2,NBELEMENTS // number of élements |
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bl radixSort |
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ldr x0,qAdrTableNumber // address number table |
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bl displayTable |
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ldr x0,qAdrTableNumber // address number table |
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mov x1,NBELEMENTS // number of élements |
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bl isSorted // control sort |
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cmp x0,1 // sorted ? |
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beq 1f |
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ldr x0,qAdrszMessSortNok // no !! error sort |
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bl affichageMess |
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b 100f |
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1: // yes |
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ldr x0,qAdrszMessSortOk |
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bl affichageMess |
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100: // standard end of the program |
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mov x0,0 // return code |
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mov x8,EXIT // request to exit program |
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svc 0 // perform the system call |
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qAdrsZoneConv: .quad sZoneConv |
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qAdrszCarriageReturn: .quad szCarriageReturn |
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qAdrsMessResult: .quad sMessResult |
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qAdrTableNumber: .quad TableNumber |
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qAdrszMessSortOk: .quad szMessSortOk |
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qAdrszMessSortNok: .quad szMessSortNok |
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/******************************************************************/ |
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/* control sorted table */ |
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/******************************************************************/ |
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/* x0 contains the address of table */ |
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/* x1 contains the number of elements > 0 */ |
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/* x0 return 0 if not sorted 1 if sorted */ |
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isSorted: |
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stp x2,lr,[sp,-16]! // save registers |
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stp x3,x4,[sp,-16]! // save registers |
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mov x2,0 |
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ldr x4,[x0,x2,lsl 3] |
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1: |
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add x2,x2,1 |
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cmp x2,x1 |
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bge 99f |
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ldr x3,[x0,x2, lsl 3] |
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cmp x3,x4 |
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blt 98f |
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mov x4,x3 |
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b 1b |
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98: |
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mov x0,0 // not sorted |
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b 100f |
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99: |
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mov x0,1 // sorted |
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100: |
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ldp x3,x4,[sp],16 // restaur 2 registers |
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ldp x2,lr,[sp],16 // restaur 2 registers |
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ret // return to address lr x30 |
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/******************************************************************/ |
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/* radix sort */ |
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/******************************************************************/ |
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/* r0 contains the address of table */ |
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/* r1 contains the first element */ |
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/* r2 contains the number of element */ |
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/* no registers save */ |
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radixSort: |
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str lr,[sp,-16]! // save 1 register |
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mov x7,0b1111 // mask one digit hexa |
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mov x10,0 // digit counter |
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1: |
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add x3,x1,1 // start index i |
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2: // start loop |
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ldr x4,[x0,x3,lsl 3] // load value A[i] |
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and x8,x4,x7 // and mask |
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sub x5,x3,1 // index j |
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3: |
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ldr x6,[x0,x5,lsl 3] // load value A[j] |
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and x9,x6,x7 // and mask |
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cmp x9,x8 // compare one digit hexa |
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ble 4f |
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add x5,x5,1 // increment index j |
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str x6,[x0,x5,lsl 3] // store value A[j+1] |
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sub x5,x5,2 // j = j - 1 |
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cmp x5,x1 |
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bge 3b // loop if j >= first item |
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4: |
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add x5,x5,1 // increment index j |
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str x4,[x0,x5,lsl 3] // store value A[i] in A[j+1] |
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add x3,x3,1 // increment index i |
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cmp x3,x2 // end ? |
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blt 2b // no -> loop |
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//bl displayTable |
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lsl x7,x7,4 // shift mask 4 bits left |
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add x10,x10,1 // increment counter |
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cmp x10,16 // 16 digits ? |
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blt 1b // no loop |
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100: |
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ldr lr,[sp],16 // restaur 1 registers |
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ret // return to address lr x30 |
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/******************************************************************/ |
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/* Display table elements */ |
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/******************************************************************/ |
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/* x0 contains the address of table */ |
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displayTable: |
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stp x1,lr,[sp,-16]! // save registers |
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stp x2,x3,[sp,-16]! // save registers |
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mov x2,x0 // table address |
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mov x3,0 |
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1: // loop display table |
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ldr x0,[x2,x3,lsl 3] |
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ldr x1,qAdrsZoneConv |
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bl conversion10S // décimal conversion |
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ldr x0,qAdrsMessResult |
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ldr x1,qAdrsZoneConv |
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bl strInsertAtCharInc // insert result at // character |
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bl affichageMess // display message |
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add x3,x3,1 |
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cmp x3,NBELEMENTS - 1 |
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ble 1b |
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ldr x0,qAdrszCarriageReturn |
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bl affichageMess |
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mov x0,x2 |
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100: |
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ldp x2,x3,[sp],16 // restaur 2 registers |
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ldp x1,lr,[sp],16 // restaur 2 registers |
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ret // return to address lr x30 |
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/********************************************************/ |
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/* File Include fonctions */ |
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/********************************************************/ |
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/* for this file see task include a file in language AArch64 assembly */ |
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.include "../includeARM64.inc" |
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</lang> |
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<pre> |
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Value : -154389710 |
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Value : +9 |
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Value : +16 |
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Value : +25 |
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Value : +26 |
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Value : +71 |
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Value : +115 |
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Value : +301 |
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Value : +4400 |
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Value : +5006 |
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Value : +12485 |
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Table sorted. |
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</pre> |
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=={{header|Ada}}== |
=={{header|Ada}}== |
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