Page 1:Introduction: Why GDI Output For 2D Graphics Remains Relevant
Page 2:The 2D GDI For Windows XP Through Windows 7, In Detail
Page 3:2D Graphics Output Using GDI: Direct Or Buffered?
Page 4:The Radeon HD 5000's Symptoms And Their Relevance To Windows 7
Page 5:Tom2D: Our Simple 2D GDI Benchmark
Page 6:Tom2D: Text Output
Page 7:Tom2D: Line Output
Page 8:Tom2D Splines/Bézier Curves
Page 9:Tom2D: Polygons
Page 10:Tom2D: Rectangles
Page 11:Tom2D: Ellipses
Page 12:Tom2D: Blitting
Page 13:Tom2D: Stretching
Page 15:UPDATE: ATI Steps Up With A Hotfixed Driver
Tom2D: Our Simple 2D GDI Benchmark
At this point we like to present our simple 2D benchmark program to our readers. It creates GDI commands as output, enabling the measurements discussed in the following pages.
Important note: the results we are about to present do not correspond to the results from Part 1. This is especially true for drawing lines, because we’ve made various changes to the benchmark since we first wrote about it.
- Windows 2000 or better
- 2MB disk space available
- Screen resolution of 1024 x 768 or higher
This program doesn't need to be installed and is highly portable from system to system.All measurements are extremely CPU-dependent! Also, running other programs and services can alter these results. Measurements will also fluctuate slightly from run to run.
For this round of testing, we completely cleaned up a desktop machine, then created a new user account. We installed no gadgets, and we avoided opening any additional graphics windows on the test desktop. Once started, we associated the Tom2D.exe program with a single CPU core. We also disabled or deactivated all unnecessary background programs and services as well.
We selected either direct drawing to the display device or DIB buffering as shown in the next screenshot (for more information on these topics, consult the two preceding sections in this story).
The Tom2D.exe program tests various GDI drawing commands one at a time, so it can accumulate data acros all tests. By inspecting the results and comparing them to others, you can readily see where bottlenecks may exist.
How-to: Complete Test Run
Click the “Run complete benchmark” button to run all tests automatically and calculate a cumulative result. You can also use the “Copy to clipboard” button to grab and save test results in text form, if you're looking to import them into your favorite number-crunching tool.
In the pages that follow, we’ll present each of the tests individually and explain how they work. We’ll also share our own test results for each item along the way as well.
|Our Test Systems|
|Processor||Intel Core 2 Quad Q6600, 2.4 GHz @ 3.2 GHz, G0 Stepping, 8MB L2 Cache, LGA 775|
|RAM ||8GB DDR2-1066 CL5|
|Motherboard||DFI LANParty DK X48 T2RS|
|Operating System||Windows 7 Ultimate x64|
|Graphics Cards ||Radeon HD 5870, GeForce GTX 285|
|Graphics Drivers||Catalyst 9.12, ForceWare 195.62|
|Other Graphics Cards||Radeon HD 5750, Radeon HD 4870, Radeon HD 3650|
GeForce GTX 285, GeForce 8800 GTS 512MB, GeForce 8400 GS, GeForce 6800 GT 256MB
|Onboard Graphics||GeForce 7050 (nForce 610i), GeForce 8100 (nForce 730i)|
Intel G45 (+Intel Pentium E5200, 4GB), Intel GMA X4500HD (+Core 2 Duo P8700 (2.53 GHz), 4GB), Intel GMA 950 (+Intel Atom, Windows XP Professional)
|Retro PCs||Pentium MMX (P55C) 233 MHz|
Tyan Tomcat IVD S1564D
(Intel 430HX) 224MB EDO DRAM
3dfx Voodoo4 4500, 166MHz GPU (VSA100) 32MB PCI (Windows 98SE)
In addition to the platforms listed in the preceding table, our readers tested lots of other combinations with Windows 98, Vista, and XP. All values collected will be presented in a comprehensive summary results table later in this story. To those who note that results for the 780G/785G on-board graphics chipsets are missing, we’re still waiting for new drivers for those items to appear, and will be sure to add those results once they become available. We don’t want to combine our results with those from other sources to help us maintain our objectivity.
Many Thanks to One and All!
At this point, it's also appropriate to thank the many readers who ran our benchmark on their systems and shared those results with us. In the meantime, all of these values (we got over 800 sets of individual results in all) have been ranked, accumulated, and compared to our own results to create the best possible ranking scheme we could devise. Most of these reports match our own observations fairly closely, with only a few exceptions here and there. This helps improve our confidence level when is comes to judging the fairness of our test regime.
- Introduction: Why GDI Output For 2D Graphics Remains Relevant
- The 2D GDI For Windows XP Through Windows 7, In Detail
- 2D Graphics Output Using GDI: Direct Or Buffered?
- The Radeon HD 5000's Symptoms And Their Relevance To Windows 7
- Tom2D: Our Simple 2D GDI Benchmark
- Tom2D: Text Output
- Tom2D: Line Output
- Tom2D Splines/Bézier Curves
- Tom2D: Polygons
- Tom2D: Rectangles
- Tom2D: Ellipses
- Tom2D: Blitting
- Tom2D: Stretching
- UPDATE: ATI Steps Up With A Hotfixed Driver