Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 194,081
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     197,791
Calibration 2     195,289
Calibration 3     194,477
ssj_ops@calibrated=194,883
100% 99.6% 194,883 194,081
90% 89.4% 175,395 174,138
80% 79.0% 155,906 154,025
70% 70.0% 136,418 136,368
60% 60.2% 116,930 117,269
50% 49.7% 97,442 96,770
40% 40.4% 77,953 78,663
30% 30.0% 58,465 58,460
20% 20.2% 38,977 39,462
10% 9.8% 19,488 19,004
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,387,997 1,494
Payment 14,387,998
Order Status 1,438,799
Delivery 1,438,798
Stock Level 1,438,800
Customer Report 14,387,998
Calibration 2 New Order 14,204,792 1,494
Payment 14,204,796
Order Status 1,420,479
Delivery 1,420,481
Stock Level 1,420,480
Customer Report 14,204,790
Calibration 3 New Order 14,145,175 1,494
Payment 14,145,172
Order Status 1,414,518
Delivery 1,414,517
Stock Level 1,414,517
Customer Report 14,145,176
100% 99.6% New Order 14,116,134 1,494
Payment 14,116,134
Order Status 1,411,614
Delivery 1,411,612
Stock Level 1,411,614
Customer Report 14,116,132
90% 89.4% New Order 12,664,575 1,494
Payment 12,664,581
Order Status 1,266,457
Delivery 1,266,458
Stock Level 1,266,457
Customer Report 12,664,577
80% 79.0% New Order 11,202,423 1,494
Payment 11,202,423
Order Status 1,120,244
Delivery 1,120,242
Stock Level 1,120,242
Customer Report 11,202,432
70% 70.0% New Order 9,918,161 1,494
Payment 9,918,161
Order Status 991,816
Delivery 991,815
Stock Level 991,815
Customer Report 9,918,159
60% 60.2% New Order 8,528,735 1,494
Payment 8,528,739
Order Status 852,872
Delivery 852,874
Stock Level 852,875
Customer Report 8,528,734
50% 49.7% New Order 7,037,895 1,494
Payment 7,037,897
Order Status 703,789
Delivery 703,789
Stock Level 703,789
Customer Report 7,037,898
40% 40.4% New Order 5,721,242 1,494
Payment 5,721,244
Order Status 572,124
Delivery 572,124
Stock Level 572,125
Customer Report 5,721,246
30% 30.0% New Order 4,251,792 1,494
Payment 4,251,790
Order Status 425,179
Delivery 425,180
Stock Level 425,179
Customer Report 4,251,788
20% 20.2% New Order 2,870,513 1,494
Payment 2,870,514
Order Status 287,053
Delivery 287,052
Stock Level 287,051
Customer Report 2,870,511
10% 9.8% New Order 1,382,280 1,494
Payment 1,382,277
Order Status 138,229
Delivery 138,228
Stock Level 138,228
Customer Report 1,382,281
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0