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Revert "SPE-2397: Increased size of time blocks batches used to calculate time estimate and actual speed"

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This reverts commit 40dbbd1c35dffe773b79176466c48cbe803743d8.
This commit is contained in:
Lukas Matena 2024-08-12 16:07:02 +02:00
parent bdde536cc1
commit 46ad156610
1 changed files with 2 additions and 10 deletions
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12
src/libslic3r/GCode/GCodeProcessor.hpp
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@ -367,16 +367,8 @@ namespace Slic3r {
struct Planner
{
// Size of the firmware planner queue. The old 8-bit Marlins usually just managed 16 trapezoidal blocks.
// ! WARNING !
// The previous implementation:
// Let's be conservative and plan for newer boards with more memory.
// static constexpr size_t queue_size = 64;
// was generating artifacts, see: https://dev.prusa3d.com/browse/SPE-2397 because the time blocks shared by two consecutive batches
// may end up being processed multiple times, giving rise to discontinuities.
// Keeping all the time blocks in memory may result in a huge buffer (i.e. greater than 1GB for huge slices), so we set an arbitrary
// batch size of around 128MB.
// This should result in a reduced number of artifacts visible only for objects whose buffers exceed this size.
static constexpr size_t queue_size = 32 * 1024 * 1024 / sizeof(TimeBlock);
// Let's be conservative and plan for newer boards with more memory.
static constexpr size_t queue_size = 64;
// The firmware recalculates last planner_queue_size trapezoidal blocks each time a new block is added.
// We are not simulating the firmware exactly, we calculate a sequence of blocks once a reasonable number of blocks accumulate.
static constexpr size_t refresh_threshold = queue_size * 4;