由於 FX 的效能實在難看, Valve 有特別幫 NVIDIA 的卡做優化, 已經儘可能在不降低畫質下, 將精度從 32-bit 降到 16-bit, 效能是上去了 (FX5900U 從 3x fps -> 4x fps), 但仍然不敵.

此外, Det. 51.xx 在下也試過了....... 只希望 52.xx 能帶來奇蹟..............

以下是 Valve 幫 NVIDIA NV3x 優化的說明:
http://www20.tomshardware.com/busin...lf-life-02.html

"Mixed Mode for NVIDIA cards
Facing the low performance results of the NVIDIA products, Valve decided to develop a so called "Mixed Mode" code path for NV3x cards. In this code path the floating point precision is reduced to 16-bit instead of 32-bit wherever it was possible without reducing image quality. Valve stated that the development of that special code path took 5 times the development time of the standard DX9 code path. Special optimizations for ATI cards were not nescesarry. "