# Start: relatively fresh boot. run nexuiz several times, etc. anholt@pollan:src/intel-gpu-tools/benchmarks% for i in 1 2 3 4 5 6 7 8 9 10; do sudo ./intel_upload_blit_large_gtt; done 200 iterations in 0.333 secs: 2113.6 MB/sec 200 iterations in 0.331 secs: 2123.3 MB/sec 200 iterations in 0.332 secs: 2118.7 MB/sec 200 iterations in 0.335 secs: 2099.0 MB/sec 200 iterations in 0.337 secs: 2085.7 MB/sec 200 iterations in 0.334 secs: 2106.8 MB/sec 200 iterations in 0.336 secs: 2090.1 MB/sec 200 iterations in 0.333 secs: 2111.8 MB/sec 200 iterations in 0.347 secs: 2025.4 MB/sec 200 iterations in 0.338 secs: 2082.1 MB/sec # suspend 1: things look OK still. nexuiz ok. anholt@pollan:src/intel-gpu-tools/benchmarks% for i in 1 2 3 4 5 6 7 8 9 10; do sudo ./intel_upload_blit_large_gtt; done 200 iterations in 0.338 secs: 2082.0 MB/sec 200 iterations in 0.331 secs: 2125.6 MB/sec 200 iterations in 0.331 secs: 2126.0 MB/sec 200 iterations in 0.335 secs: 2098.7 MB/sec 200 iterations in 0.334 secs: 2102.3 MB/sec 200 iterations in 0.339 secs: 2074.7 MB/sec 200 iterations in 0.332 secs: 2121.0 MB/sec 200 iterations in 0.333 secs: 2111.3 MB/sec 200 iterations in 0.333 secs: 2112.3 MB/sec 200 iterations in 0.346 secs: 2032.0 MB/sec # suspend 2: nexuiz is slow anholt@pollan:src/intel-gpu-tools/benchmarks% for i in 1 2 3 4 5 6 7 8 9 10; do sudo ./intel_upload_blit_large_gtt; done 200 iterations in 13.947 secs: 50.4 MB/sec 200 iterations in 0.406 secs: 1732.8 MB/sec 200 iterations in 0.332 secs: 2117.0 MB/sec 200 iterations in 0.478 secs: 1470.6 MB/sec 200 iterations in 0.335 secs: 2101.9 MB/sec 200 iterations in 0.337 secs: 2086.2 MB/sec 200 iterations in 27.147 secs: 25.9 MB/sec 200 iterations in 0.490 secs: 1434.9 MB/sec 200 iterations in 11.480 secs: 61.2 MB/sec 200 iterations in 0.567 secs: 1239.5 MB/sec anholt@pollan:/home/anholt% cat /proc/mtrr reg00: base=0x000000000 ( 0MB), size= 2048MB, count=1: write-back reg01: base=0x080000000 ( 2048MB), size= 1024MB, count=1: write-back reg02: base=0x0bc000000 ( 3008MB), size= 64MB, count=1: uncachable reg03: base=0x100000000 ( 4096MB), size= 1024MB, count=1: write-back reg04: base=0x138000000 ( 4992MB), size= 128MB, count=1: uncachable reg05: base=0x0d0000000 ( 3328MB), size= 256MB, count=1: write-combining 00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller]) Subsystem: Lenovo Device 215a Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at f2000000 (64-bit, non-prefetchable) [size=4M] Memory at d0000000 (64-bit, prefetchable) [size=256M] I/O ports at 1800 [size=8] Expansion ROM at [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 2 Capabilities: [a4] PCI Advanced Features Kernel driver in use: i915