[Mesa-dev] [PATCH 0/6] Prehash all the things

[Dieter Nützel]

Ping!

Any news, reviews --- anyone?

I'm running this all day without a hitch.

Cheers,
Dieter

Am 23.05.2017 05:40, schrieb Dieter Nützel:
> For the series:
> 
> Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de>
> 
> on radeonsi/RX580
> 
> Unigine_Heaven-4.0, Unigine_Valley-1.0, Unigine_Superposition-1.0,
> LS2015 (Wine-staging), Mesa-demos (objviewer)
> 
> Dieter
> 
> Am 22.05.2017 20:55, schrieb Thomas Helland:
>> While this doesn't prehash all the things, it does switch quite a lot
>> of places from doing a search and then a subsequent insert to first
>> hash the key, and then use this hash when searching / inserting.
>> While our new pointer hashing function remedied much of our overhead
>> hashing pointers, there is still more to gain here. This cuts executed
>> instructions / task-clock by about 0.5% on a shader-db run on my i965
>> running machine. While that's not a lot, it is still a nice little
>> improvement on the way to less overhead. The changes should also be
>> fairly trivial, so it's not much of a burden.
>> 
>> Thomas Helland (6):
>>   glsl: Prehash in refcount hash table to reduce hashing
>>   nir: Prehash in instr_set to avoid hashing twice
>>   glsl: Prehash in constant propagation
>>   glsl: Prehash in constant variable pass to avoid hashing twice
>>   glsl: Prehash to avoid computing the hash twice
>>   util: Avoid computing hash twice in string_to_uint_map
>> 
>>  src/compiler/glsl/ir_variable_refcount.cpp          | 7 +++++--
>>  src/compiler/glsl/opt_constant_propagation.cpp      | 8 +++++---
>>  src/compiler/glsl/opt_constant_variable.cpp         | 6 ++++--
>>  src/compiler/glsl/opt_copy_propagation_elements.cpp | 7 +++++--
>>  src/compiler/nir/nir_instr_set.c                    | 7 +++++--
>>  src/util/string_to_uint_map.h                       | 9 ++++++---
>>  6 files changed, 30 insertions(+), 14 deletions(-)
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