AMD Confidential

User Manual

November 21st, 2008

1 simnow> dumpprofile 3

34962861.000000 instructions executed since the last epoch

-------------------------------------------------------------------

Executed 3571672 times

CS.D=0 LongBit=0

physical_addr=00000000000e41de

eip=00000000000041de

00000000000041de:

cmp [04f0h],aah

 

00000000000041e3:

jnz $-05h

 

0000000000000000:

This block's execution was

20.431234 percent of

the total since the last epoch.

 

-------------------------------------------------------------------

Executed 229430 times

 

CS.D=0 LongBit=0

physical_addr=000000000002fd99

eip=000000000000fd99

000000000000fd99:

lodsb ds:[esi]

 

000000000000fd9b:

add ah,al

 

000000000000fd9d:

loop $-04h

 

0000000000000020:

This block's execution was

1.968632 percent of

the total since the last epoch.

 

-------------------------------------------------------------------

Executed 178599 times

 

CS.D=0 LongBit=0

physical_addr=00000000000274b2

eip=00000000000074b2

00000000000074b2:

mov ax,[5724h]

 

00000000000074b5:

cmp ax,[371ah]

 

00000000000074b9:

jbe $+61h

 

0000000000000040:

This block's execution was

1.532475 percent of

the total since the last epoch.

The simulator contains a code profiling facility that is accessed through the dumpprofile automation command. There is no graphical user interface to the profiling facility at this time. Profiling in the simulator has some limitations and features not present in most systems. The limitations are that no symbolic information is present in the output and that only execution since the beginning of the last epoch (see the last paragraph for an explanation of an epoch) is measured. The feature which is most unusual is that the user can ask for a profile at any time, there is no profiling mechanism that needs to be enabled before execution takes place. Another feature is that all code in the system is profiled, even code executed with interrupts off, and code in all modes (16 bit mode, 32-bit legacy mode, 32-bit compatibility mode, long mode, SMM mode, etc.) is measured equally. This profiling mechanism is non-intrusive, no x86 interrupts are taken and profiling does not affect the target machine's selection of code paths at all.

The dumpprofile command by itself causes all profile blocks to be displayed. This output can be quite voluminous. The user can select just the most frequently executing blocks by using an optional numeric argument. For example, "dumpprofile 10" will dump the ten most frequently executing blocks. Blocks are ordered by their frequency of execution, not weighted by the number of instructions in a block. Therefore, a short block executing 100 times will be displayed before a long block executing 99 times. In this example, the short block represents fewer total instructions executed. The sense of time that the simulator uses is quite simple, each instruction takes one "instruction count", with REP instructions taking one extra count per iteration. Therefore, profiles from the simulator can differ substantially from those obtained from other tools.

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Appendix A

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AMD 4.4.5 user manual 240
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4.4.5 specifications

AMD 4.4.5 is a robust version of the AMD software ecosystem that focuses on enhanced performance, stability, and efficiency for users relying on AMD processors and graphics cards. This iteration brings various features and technologies designed to optimize gaming, professional applications, and general computing tasks.

One of the standout enhancements in AMD 4.4.5 is the integration of Smart Access Memory technology, which allows the CPU to access the full graphics memory directly. This feature enhances data flow between the CPU and GPU, leading to improved frame rates and overall performance, especially in memory-intensive games. Users can experience a marked increase in gaming performance without the need for additional hardware upgrades.

Another significant feature introduced is the updated Radeon Software Adrenalin Edition. This software update encompasses optimizations for various games, ensuring that gamers can enjoy a seamless experience with the latest titles. The Adrenalin interface also provides features such as Radeon Chill, which helps reduce power consumption during less demanding scenes, and Radeon Anti-Lag, designed to minimize input lag and enhance responsiveness in competitive gaming.

Additionally, AMD 4.4.5 brings the latest drivers that include important performance enhancements and bug fixes that allow for greater system stability. Regular updates ensure that users have the best experience with their AMD hardware, and it significantly bolsters compatibility with the latest gaming titles and software applications.

AMD's Enhanced Sync technology offers users the ability to eliminate screen tearing and stuttering while delivering smooth gameplay. It dynamically synchronizes the refresh rate of the display with the frame rates produced by the GPU, improving the visual experience significantly.

With the introduction of FidelityFX Super Resolution, AMD continues to bolster its suite of technologies that enhance graphics quality and performance. This feature allows lower-resolution images to be upscaled effectively, making it easier for users to enjoy high-end visuals without taxing their hardware excessively.

In summary, AMD 4.4.5 represents a comprehensive update for users by integrating cutting-edge technologies that cater to a wide range of applications from gaming to content creation. With enhancements across the board, AMD reaffirms its commitment to providing high-performance solutions that keep pace with the ever-evolving technology landscape. Whether for gaming aficionados or professional creators, the capabilities offered in this version make it a significant milestone in the AMD software ecosystem.
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