# mstringop-inline-threshold, Qstringop-inline-threshold

Tells the compiler to not inline calls to buffer manipulation functions such as memcpy and memset when the number of bytes the functions handle are known at compile time and greater than the specified value. This feature is only available for ifort.

## Syntax

Linux: | -mstringop-inline-threshold=val

macOS: | -mstringop-inline-threshold=val

Windows: | /Qstringop-inline-threshold:val

## Arguments

val | Is a positive 32-bit integer. If the size is greater than val, the compiler will never inline it.

## Default

OFF | The compiler uses its own heuristics to determine the default.

## Description

This option tells the compiler to not inline calls to buffer manipulation functions such as memcpy and memset when the number of bytes the functions handle are known at compile time and greater than the specified val.

## IDE Equivalent

None

## Alternate Options

None

Parent topic: Code Generation Options

## See Also

mstringop-strategy, Qstringop-strategy compiler option