[Mesa-dev] On disk shader cache for i965

[Timothy Arceri]

Here are the shader-db times after fixing the buffer overflow with
patch 66/65.

Cache disabled:

Thread 1 took 1360.47 seconds and compiled 13015 shaders (not including
SIMD16) with 50 GL context switches
Thread 3 took 1349.85 seconds and compiled 12848 shaders (not including
SIMD16) with 40 GL context switches
Thread 2 took 1362.94 seconds and compiled 12637 shaders (not including
SIMD16) with 36 GL context switches
Thread 0 took 1352.41 seconds and compiled 12593 shaders (not including
SIMD16) with 46 GL context switches

Cache enabled first run:

Thread 1 took 1410.30 seconds and compiled 12678 shaders (not including
SIMD16) with 34 GL context switches
Thread 2 took 1421.35 seconds and compiled 12822 shaders (not including
SIMD16) with 50 GL context switches
Thread 0 took 1410.49 seconds and compiled 12999 shaders (not including
SIMD16) with 40 GL context switches
Thread 3 took 1426.67 seconds and compiled 12594 shaders (not including
SIMD16) with 48 GL context switches

Cache enabled second run:

Thread 0 took 259.84 seconds and compiled 12817 shaders (not including
SIMD16) with 40 GL context switches
Thread 3 took 257.03 seconds and compiled 12533 shaders (not including
SIMD16) with 50 GL context switches
Thread 1 took 256.18 seconds and compiled 12828 shaders (not including
SIMD16) with 40 GL context switches
Thread 2 took 261.31 seconds and compiled 12915 shaders (not including
SIMD16) with 39 GL context switches