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dynamic block sizes with env. variables - #960
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stepannassyr wants to merge 1 commit into
Open
stepannassyr wants to merge 1 commit into
stepannassyr wants to merge 1 commit into
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- Introduces new environment variables
- BLIS_KC_{S,D,C,Z}
- BLIS_KC_MAX_{S,D,C,Z}
- BLIS_MR_IN_MC_{S,D,C,Z}
- BLIS_MR_IN_MC_MAX_{S,D,C,Z}
- BLIS_NR_IN_NC_{S,D,C,Z}
- BLIS_NR_IN_NC_MAX_{S,D,C,Z}
- The environment variables override block sizes set in the cntx init
- If the env. vars are not set, the blocksizes from the config are used
- Override happens in bli_gks_init() before context caching
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I've been using something like this for a while to tune BLIS, usually I've been putting the overrides in the cntx init of a configuration. This version makes it independent of the config by putting the override in bli_gks_init(). As an example for how it can be used - I have this tuner: https://github.com/linedot/blistune that uses these env. vars.