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    <p>I've decompiled the two and it seem to be generating the same code (using ildasm). This is a very simple If statment, might get different result for different If. I would suggest you do the same with your code and see.</p> <pre><code>Module Module1 Sub Main() Dim a As Integer Dim i As Integer = 1 If i = 1 Then a = 9 ElseIf i = 2 Then a = 8 ElseIf i = 3 Then a = 7 Else a = 6 End If End Sub End Module .method public static void Main() cil managed { .entrypoint .custom instance void [mscorlib]System.STAThreadAttribute::.ctor() = ( 01 00 00 00 ) // Code size 30 (0x1e) .maxstack 2 .locals init ([0] int32 a, [1] int32 i) IL_0000: ldc.i4.1 IL_0001: stloc.1 IL_0002: ldloc.1 IL_0003: ldc.i4.1 IL_0004: bne.un.s IL_000b IL_0006: ldc.i4.s 9 IL_0008: stloc.0 IL_0009: br.s IL_001d IL_000b: ldloc.1 IL_000c: ldc.i4.2 IL_000d: bne.un.s IL_0013 IL_000f: ldc.i4.8 IL_0010: stloc.0 IL_0011: br.s IL_001d IL_0013: ldloc.1 IL_0014: ldc.i4.3 IL_0015: bne.un.s IL_001b IL_0017: ldc.i4.7 IL_0018: stloc.0 IL_0019: br.s IL_001d IL_001b: ldc.i4.6 IL_001c: stloc.0 IL_001d: ret } // end of method Module1::Main </code></pre> <p>And the other one</p> <pre><code>Module Module1 Sub Main() Dim a As Integer Dim i As Integer = 1 If i = 1 Then a = 9 Else If i = 2 Then a = 8 Else If i = 3 Then a = 7 Else a = 6 End If End If End If End Sub End Module .method public static void Main() cil managed { .entrypoint .custom instance void [mscorlib]System.STAThreadAttribute::.ctor() = ( 01 00 00 00 ) // Code size 30 (0x1e) .maxstack 2 .locals init ([0] int32 a, [1] int32 i) IL_0000: ldc.i4.1 IL_0001: stloc.1 IL_0002: ldloc.1 IL_0003: ldc.i4.1 IL_0004: bne.un.s IL_000b IL_0006: ldc.i4.s 9 IL_0008: stloc.0 IL_0009: br.s IL_001d IL_000b: ldloc.1 IL_000c: ldc.i4.2 IL_000d: bne.un.s IL_0013 IL_000f: ldc.i4.8 IL_0010: stloc.0 IL_0011: br.s IL_001d IL_0013: ldloc.1 IL_0014: ldc.i4.3 IL_0015: bne.un.s IL_001b IL_0017: ldc.i4.7 IL_0018: stloc.0 IL_0019: br.s IL_001d IL_001b: ldc.i4.6 IL_001c: stloc.0 IL_001d: ret } // end of method Module1::Main </code></pre> <p>I would suggest to use the one that is easier to read.</p>
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    1. COThanks for this, it's pretty much what I was looking for. Since they appear to compile the same, I'm guessing any differences I saw were due to the sleep function itself and not the statements.
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    2. CO@NicholasPost It's very difficult to benchmark very fast things. Maybe the cpu was a little bit busy with an other process.
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