Jan Wassenberg
3ed403e287
Major cleanup of profiler zones, add Caller annotation for all pool.Run
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Pass ThreadingContext instead of Pools/Profiler individually, for access to Zones
Add GCPP_ZONE helper
Add Caller argument to pool.Run to enable new stats
Remove most direct dependencies on ThreadPool, prefer ParallelFor
PiperOrigin-RevId: 822934530
2025-10-23 01:54:24 -07:00
Phil Culliton
503aaddd65
Add 8-bit integer quantization (I8Stream) to Gemma.cpp.
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PiperOrigin-RevId: 819787856
2025-10-15 09:25:20 -07:00
Ray Smith
ee18916abf
Removed the PROFILER_ZONE from the most highly called functions to reduce the overhead.
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PiperOrigin-RevId: 819739402
2025-10-15 07:10:04 -07:00
Ray Smith
fb6fa793f4
Added a global (to gemma) zones list to enable most call sites to PROFILER_ZONE3 to avoid the sychronization required for the static const initialization of the zone handle.
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Improved flash_attention to enable profiling using the new zones.
PiperOrigin-RevId: 819235421
2025-10-14 08:30:58 -07:00
Ray Smith
684a0444e9
Reduced parallelism for TransposeQ, making each thread read and write within its own cache lines
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PiperOrigin-RevId: 814241032
2025-10-02 08:15:16 -07:00
Ray Smith
14244664c8
Avoid transposing Q when it isn't needed
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PiperOrigin-RevId: 814187984
2025-10-02 05:16:35 -07:00
Jan Wassenberg
fe5a39990e
Improve FlashAttention threading:
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kFlat for RMSNorm (hierarchical is excessive),
profiler zone naming improvements.
PiperOrigin-RevId: 814144012
2025-10-02 02:37:05 -07:00
Ray Smith
6098a022b3
Increased parallelism for RMSNormAndPositionalEncoding
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PiperOrigin-RevId: 813738994
2025-10-01 07:11:14 -07:00
Ray Smith
2f6cbde8ff
Added a smaller tile size to flash attention for smaller batch sizes
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PiperOrigin-RevId: 813226193
2025-09-30 05:49:20 -07:00
Ray Smith
4974f24832
Fixed bug with softcap in single flash attention
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PiperOrigin-RevId: 813164938
2025-09-30 02:17:58 -07:00
Ray Smith
c9b8479f7d
Added zero-initialization to att_out.
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Re-enabled flash attention when HWY_NATIVE_DOT_BF16 is not available.
PiperOrigin-RevId: 806284756
2025-09-12 07:48:23 -07:00
Ray Smith
f10ac41a20
Added flash attention, with both a single-q function, and a register-tiled function.
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The register-tiled version achieves a speed-up by a factor of about 9.7 over the previous attention function on an AVX3-enabled machine.
PiperOrigin-RevId: 804913784
2025-09-09 08:05:26 -07:00