vmvecPopNumber   Description Syntax Examples Keyword Links Instruction Type Argument Types Virtual Machine Instructions AIS Component Systems

When evaluated, this vm instruction stores the top number from the internal Vector Processing Stack, into the destination, specified by the target argument, and decrements the internal Vector Processing Stack by one position. The top stack word is stored, in the target register, as a Number data type. There are no conversions made between different types. The initial values in the three pointer registers, the three increment registers, and the counter register are NOT altered by this instruction. This instruction may return an Error value. After the operation, the Instruction Pointer is promoted. The operation of this vm instruction is expressed in the following C expression:

(vmvecPopNumber target)

Here are a number of links to Lambda coding examples which contain this instruction in various use cases.

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Here are a number of links to this instruction by related keywords.

[...under construction ]

Here are a number of links to this instructions of this same type.

vmvecBinary	vmvecInitialize	vmvecLoop	vmvecNumScalar
vmvecNumVector	vmvecPop	vmvecPopNumber	vmvecPush
vmvecPushNumber	vmvecSetIncrements	vmvecSetPointers	vmvecSwapCC
vmvecUnary

Here are a number of links which are related to this instructions .

vmadd	vmaddi	vmaddn	vmdiv
vmdivi	vmdivn	vmdivr	vmdivri
vmjumpcc	vmmul	vmmuli	vmmuln
vmnadd	vmnatAddNumber	vmnatDivNumber	vmnatDivrNumber
vmnatJumpCCNumber	vmnatLoadFloat	vmnatLoadNumber	vmnatMulNumber
vmnatSaveFloat	vmnatSaveNumber	vmnatSubNumber	vmndiv
vmndivr	vmnmul	vmnsub	vmregAbsNumber
vmregAddNumber	vmregCosNumber	vmregDivNumber	vmregDivrNumber
vmregInteger	vmregJumpCCNumber	vmregLoadNumber	vmregLogNumber
vmregMoveNumber	vmregMulNumber	vmregNumber	vmregPwrNumber
vmregRefNumber	vmregSaveNumber	vmregSaveTail	vmregSetFloat
vmregSetIntImmediate	vmregSetNumber	vmregSetXFloat	vmregSetXNumber
vmregSinNumber	vmregSqrtNumber	vmregSubNumber	vmregTanNumber
vmsub	vmsubi	vmsubn	vmvecNumScalar
vmvecNumVector	vmvecPop	vmvecPopNumber	vmvecPush
vmvecPushNumber	vmvecSwapCC

AIS Lambdas are designed to be write-once-run-anywhere executable objects. This is accomplished via the virtual machine concept of software Lambda execution. Lambda virtual machines are designed to be mapped onto the actual host microchip at the server location, providing faithful Lambda execution wherever the Lambda may travel on the Internet. There are currently several virtual machines operating within Analytic Information Server. The DRM virtual machine uses a Dynamically typed Register Machine model to provide portable Lambda execution from high level dynamically typed instructions all the way to super fast microchip-level register execution. The DRM virtual machine runs in emulation mode during the testing and debug phases of Lambda development, and there is an AIS Lambda debugger available for Lambdas running on this virtual machine. During the final release phases of Lambda development, DRM virtual machine Lambdas are automatically converted to the NATIVE virtual machine on the host computer, using the just-in-time compiler. The NATIVE virtual machine is a faithful machine language translation of the execution rules in the DRM virtual machine onto the actual host microchip at the server location. NATIVE virtual machine execution runs at microchip-level execution speeds.

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