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[AutoScheduler] Fix mutate auto unroll #6807

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Merged
merrymercy merged 1 commit into from
Oct 31, 2020
Merged

[AutoScheduler] Fix mutate auto unroll #6807

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6 changes: 4 additions & 2 deletions python/tvm/auto_scheduler/measure.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,8 +42,6 @@
from tvm.runtime import Object, module, ndarray
from tvm.driver import build_module
from tvm.ir import transform
from tvm.rpc.tracker import Tracker
from tvm.rpc.server import Server
from tvm.autotvm.measure.measure_methods import set_cuda_target_arch
from tvm.contrib import tar, ndk

Expand Down Expand Up @@ -481,6 +479,10 @@ def __init__(
cooldown_interval=0.0,
enable_cpu_cache_flush=False,
):
# pylint: disable=import-outside-toplevel
from tvm.rpc.tracker import Tracker
from tvm.rpc.server import Server

ctx = tvm.context("cuda", 0)
if ctx.exist:
cuda_arch = "sm_" + "".join(ctx.compute_version.split("."))
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10 changes: 7 additions & 3 deletions src/auto_scheduler/search_policy/sketch_policy_rules.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -998,10 +998,14 @@ PopulationGenerationRule::ResultKind MutateAutoUnroll::Apply(SketchPolicyNode* p
ICHECK(ps);

// Mutate its value to a random candidates
auto val = std::to_string(auto_unroll_configs[(*rand_gen)() % auto_unroll_configs.size()]);
int val = auto_unroll_configs[(*rand_gen)() % auto_unroll_configs.size()];
StateNode* pstate = state->CopyOnWrite();
pstate->transform_steps.Set(step_id, PragmaStep(ps->stage_id, ps->iter_id,
std::string("auto_unroll_max_step") + "$" + val));
pstate->transform_steps.Set(
step_id, PragmaStep(ps->stage_id, ps->iter_id,
std::string("auto_unroll_max_step") + "$" + std::to_string(val)));
Stage new_stage = pstate->stages[ps->stage_id];
new_stage.CopyOnWrite()->attrs.auto_unroll_max_step = val;
pstate->stages.Set(ps->stage_id, new_stage);
return ResultKind::kValid;
}

Expand Down