Mapreducedim init adienes testing #1
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the custom allocators are needed for Sparse Arrays
adienes
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Feb 12, 2025
At some point LLVM on MacOS started doing frame pointer optimization by default. We should ask for a frame pointer on every function, on all platforms. Prior to this change, on `1.11.3+0.aarch64.apple.darwin14`: ``` julia> @code_native ((x,y) -> Core.Intrinsics.add_float(x,y))(1.0,2.0) .section __TEXT,__text,regular,pure_instructions .build_version macos, 15, 0 .globl "_julia_#1_678" ; -- Begin function julia_#1_678 .p2align 2 "_julia_#1_678": ; @"julia_#1_678" ; Function Signature: var"#1"(Float64, Float64) ; ┌ @ REPL[1]:1 within `#1` ; %bb.0: ; %top ; │ @ REPL[1] within `#1` ;DEBUG_VALUE: #1:x <- $d0 ;DEBUG_VALUE: #1:x <- $d0 ;DEBUG_VALUE: #1:y <- $d1 ;DEBUG_VALUE: #1:y <- $d1 ; │ @ REPL[1]:1 within `#1` fadd d0, d0, d1 ret ; └ ; -- End function .section __DATA,__const .p2align 3, 0x0 ; @"+Core.Float64#680" "l_+Core.Float64#680": .quad "l_+Core.Float64#680.jit" .set "l_+Core.Float64#680.jit", 5490712608 .subsections_via_symbols ``` Prior to this change, on `1.11.3+0.aarch64.linux.gnu`: ``` julia> @code_native ((x,y) -> Core.Intrinsics.add_float(x,y))(1.0,2.0) .text .file "#1" .globl "julia_#1_656" // -- Begin function julia_#1_656 .p2align 2 .type "julia_#1_656",@function "julia_#1_656": // @"julia_#1_656" ; Function Signature: var"#1"(Float64, Float64) ; ┌ @ REPL[1]:1 within `#1` // %bb.0: // %top ; │ @ REPL[1] within `#1` //DEBUG_VALUE: #1:x <- $d0 //DEBUG_VALUE: #1:x <- $d0 //DEBUG_VALUE: #1:y <- $d1 //DEBUG_VALUE: #1:y <- $d1 stp x29, x30, [sp, #-16]! // 16-byte Folded Spill mov x29, sp ; │ @ REPL[1]:1 within `#1` fadd d0, d0, d1 ldp x29, x30, [sp], JuliaLang#16 // 16-byte Folded Reload ret .Lfunc_end0: .size "julia_#1_656", .Lfunc_end0-"julia_#1_656" ; └ // -- End function .type ".L+Core.Float64#658",@object // @"+Core.Float64#658" .section .rodata,"a",@progbits .p2align 3, 0x0 ".L+Core.Float64#658": .xword ".L+Core.Float64#658.jit" .size ".L+Core.Float64#658", 8 .set ".L+Core.Float64#658.jit", 278205186835760 .size ".L+Core.Float64#658.jit", 8 .section ".note.GNU-stack","",@progbits ```
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