So while DP3 may not be unacceptably slow, it is slower than Mac OS 9 on the same hardware.

Limited and slow Direct3D-supporting drivers did eventually show up, but the boards were simply not up to the task and were unacceptably slow and buggy.

On my G3/400, it was unacceptably slow across the board.

It was unacceptably slow and did not supplant Intel's x86 architecture as planned.

In this case, calling generic library routines every time is unacceptably slow.

He tried digital cameras in the early 1980's while shooting for USA Today but found the shutter speed unacceptably slow.

Opaque scrolling of windows full of text is unacceptably slow on the Cube.

Speaking of "unacceptably slow," opaque window resizing is agonizingly slow.

Fast by the seminar and poster standards, this was unacceptably slow to the scientific community involved.

While Mr. Schwartz called the third-quarter growth "unacceptably slow," he did his best to dispel the gloomy outlook.