Name: Anonymous 2009-07-13 13:47
Write a routine which makes string uppercase or lowercase in language of your choice in least possible execution time.
; 0B43D1ED: 8B15B0D1430B MOV EDX, [#xB43D1B0] ; #<FUNCTION (LAMBDA
; #) {B43D24D}>
; no-arg-parsing entry point
; 1F3: 800DB403100104 OR BYTE PTR [#x11003B4], 4
; 1FA: B910000000 MOV ECX, 16
; 1FF: 030D84BB0708 ADD ECX, [#x807BB84] ; boxed_region
; 205: 3B0D88BB0708 CMP ECX, [#x807BB88]
; 20B: 7607 JBE L0
; 20D: E82E51C2FC CALL #x8062340 ; alloc_overflow_ecx
; 212: EB09 JMP L1
; 214: L0: 890D84BB0708 MOV [#x807BB84], ECX ; boxed_region
; 21A: 83E910 SUB ECX, 16
; 21D: L1: 8D4905 LEA ECX, [ECX+5]
; 220: C741FB2E020000 MOV DWORD PTR [ECX-5], 558
; 227: 8B42FF MOV EAX, [EDX-1]
; 22A: 8941FF MOV [ECX-1], EAX
; 22D: 8035B403100104 XOR BYTE PTR [#x11003B4], 4
; 234: 7402 JEQ L2
; 236: CC09 BREAK 9 ; pending interrupt trap
; 238: L2: 895903 MOV [ECX+3], EBX
; 23B: 8BD1 MOV EDX, ECX
; 23D: 8D65F8 LEA ESP, [EBP-8]
; 240: F8 CLC
; 241: 8B6DFC MOV EBP, [EBP-4]
; 244: C20400 RET 4