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Commits on Sep 27, 2019

• Use structured comparison macros e.g. RUY_CHECK_EQ(a, b)

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• Rewrite RUY_CHECK family of macros:

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Commits on Sep 20, 2019

• Split MakeBlockMap into smaller functions

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• Rewrite MakeBlockMap to be more principled and at the same time more explicitly empirically derived.

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Commits on Sep 19, 2019

• Make thread_count part of BlockMap. Allow MakeBlockMap to take a tentative thread_count value as input, potentially use that value to choose BlockMap parameters, and decide on the definitive thread…

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• Rewrite the 'rectangularness' computation. Since 'rectangularness' is now the largest-scale subdivision, it should not (anymore) have anything to do with the kernel layout. Rectangularness is now n…

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• Introduce pot_log2, which checks that its argument is a power of two then returns its log2.

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• Switch the rectangularness of blockmaps from inner to outer.

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Commits on Aug 23, 2019

• Fix an assertion.

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• Support Emscripten (ie typically Wasm).

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Commits on Aug 21, 2019

• Don't round the allocator's storage size to the next power of two. This is typically a huge buffer. We're going to reach a steady state where we have only a few such buffers and they won't get freq…

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• Fix allocator in cases of sizes overflowing 32bit integer arithmetic

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Commits on Aug 20, 2019

• Some more fixes to arm32 asm:

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• Fix a vld1 instruction, see:

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Commits on Aug 15, 2019

• Log the number of parameters. Improve the logging of arithmetic ops.

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• Require dotprod when running the tests on ChromiumOS/ARM64. At the moment this is being used to run tests on emulator, we're currently getting dotprod support there, we don't want to regress that.

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Commits on Aug 12, 2019

• Disable testcases that use std::ldexp on Apple as some Apple toolchains don't

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Commits on Aug 9, 2019

• Fix compilation error on arm32

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• In the underflow case of QuantizeMultiplier, when an exponent smaller than -31 would be produced, which would mean that the corresponding right-shifts would always produce zero anyway but would req…

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• Rewrite the handling of threads==1, so it's a little more readable, and gets compiled with -O3 in a way that puts this case at the start of the function instead of at the end, which for a mysteriou…

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• Avoid needlessly aborting when this graph transformation should just bail and allow continuing.

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• Specify -O3 and, on ARM32, -mfpu=neon as rule copts, for all our binary rules.

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• Disable AVX512 on __APPLE__ for now to unbreak the build.

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Commits on Aug 7, 2019

• Fix deadlock in wait_test. Add testcase to reproduce that consistently.

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Commits on Aug 2, 2019

• RemoveTrivialPassthroughOp was violating the graph invariant of no unused arrays.

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• ruy::ThreadPool: when there is only 1 task, don't even touch atomic counters.

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• Avoid expensive atomics altogether, including the allocation of arrays,

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• Code simplifications around packing indicators:s

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• Fix compile error (use of avx512 intrinsics without including header)

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Commits on Aug 1, 2019

• Support quantized Mul with multiplier>1, even if that's a pathological case.

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Commits on Jul 30, 2019

• Overhaul time.h: don't force everything to go through floating-point

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• Use Linux's coarse clock instead of a real clock when that is sufficient.

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• Avoid divisions when the divisor is a power of two.

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• While waiting for a block to be packed by another thread, do some other

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• Be very careful with compare_exchange_strong.

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